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MAX201EPD+ |MAX201EPDMAXIMN/a2avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CPE + |MAX202CPE+MAXIMN/a1500avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CPE+MAXIMN/a3600avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CSE+ |MAX202CSEMAXN/a400avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CSE+TMAXIMN/a30000avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CSE+TG068 |MAX202CSETG068MAIXMN/a950avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CSE-T |MAX202CSETMAXIMN/a8732avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CUE+ |MAX202CUEMAXN/a5avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CWE+N/AN/a2500avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CWE+T |MAX202CWETMAXIMN/a929avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CWE-T |MAX202CWETMAXIMN/a560avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202CWE-T |MAX202CWETN/a653avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202ICSEMAXN/a1400avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX202ICSE+T |MAX202ICSETMAXIMINTEGRAN/a2088avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX206CWG+MAXIMN/a25avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX206CWG-T |MAX206CWGTMAXIMN/a310avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX207CAG+MAXIMN/a18avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX207CAG+ |MAX207CAGMAXN/a819avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX207CAG+TMAXIMN/a1078avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX207CWG+ |MAX207CWGMAXIMN/a50avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX208CAG+MAXIMN/a1082avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX208CNG+ |MAX208CNGMAXIMN/a879avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX208CWG+ |MAX208CWGMAXIMN/a4avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX208CWG+T |MAX208CWGTMAXIMN/a258avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX209CWG+ |MAX209CWGMAXIMN/a7avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX209EWG+ |MAX209EWGMAXIMN/a1avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CAI+ |MAX211CAIMAXN/a5avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CAI+ |MAX211CAIMAXIMN/a1000avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CAI+T |MAX211CAITMAXIMN/a1360avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CAI-T |MAX211CAITMAXIM ?N/a2111avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CAI-T |MAX211CAITMAXN/a1196avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CWI+ |MAX211CWIMAXIMN/a16avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CWI+TMAXIMN/a1539avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX211CWI-T |MAX211CWITMAXIM ?N/a271avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX213CAI+ |MAX213CAIMAXIMN/a5avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX213CAI+T |MAX213CAITMAXIMN/a1113avai+5V, RS-232 Transceivers with 0.1µF External Capacitors
MAX213CWI+T |MAX213CWITMAXIMN/a979avai+5V, RS-232 Transceivers with 0.1µF External Capacitors


MAX202CSE+T ,+5V, RS-232 Transceivers with 0.1µF External CapacitorsMAX200–MAX209/ +5V, RS-232 TransceiversMAX211/MAX213 with 0.1μF External Capacitors
MAX202CSE+TG068 ,+5V, RS-232 Transceivers with 0.1µF External CapacitorsFeatures400kΩT1 T1● Saves Board Space 5 IN OUT 2T1+5V• Integrated Charge Pump Circuitry Eliminate ..
MAX202CSE-T ,+5V, RS-232 Transceivers with 0.1µF External CapacitorsFeatures400kΩT1 T1● Saves Board Space 5 IN OUT 2T1+5V• Integrated Charge Pump Circuitry Eliminate ..
MAX202CUE+ ,+5V, RS-232 Transceivers with 0.1µF External CapacitorsApplicationsMAX200-MAX209, MAX211, and MAX213 are a family ● Battery-Powered Equipmentof RS-232 and ..
MAX202CWE ,+5V RS-232 Transceivers with 0.1uF External CapacitorsGeneral Description The MAX200-MAX211/MAX213 transceivers are designed for RS-232 and V.28 comm ..
MAX202CWE+ ,+5V, RS-232 Transceivers with 0.1µF External CapacitorsApplicationsMAX200-MAX209, MAX211, and MAX213 are a family ● Battery-Powered Equipmentof RS-232 and ..
MAX5062BASA ,125V/2A, high-speed, half-bridge MOSFET driverapplications.♦ Up to 125V Input OperationThese drivers are independently controlled and their♦ 8V t ..
MAX5063AASA ,125V/2A, high-speed, half-bridge MOSFET driverMAX5062/MAX5063/MAX506419-3502; Rev 0; 11/04125V/2A, High-Speed, Half-Bridge MOSFET Drivers
MAX5063AASA+T ,125V/2A, High-Speed, Half-Bridge MOSFET DriversFeatures♦ HIP2100/HIP2101 Pin Compatible (MAX5062A/The MAX5062/MAX5063/MAX5064 high-frequency,125V ..
MAX5063BASA ,125V/2A, high-speed, half-bridge MOSFET driverELECTRICAL CHARACTERISTICS(V = V = +8V to +13.2V, V = GND = 0V, BBM = open, T = -40°C to +125°C, un ..
MAX5066EUI ,Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current ApplicationsFeaturesThe MAX5066 is a two-phase, configurable single- or ♦ 4.75V to 5.5V or 5V to 28V Inputdual- ..
MAX5066EUI+ ,Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current ApplicationsApplicationsABSOLUTE MAXIMUM RATINGSIN to AGND.......-0.3V to +30V REF Continuous Output Current .. ..


MAX201EPD+-MAX202CPE +-MAX202CPE+-MAX202CSE+-MAX202CSE+T-MAX202CSE+TG068-MAX202CSE-T-MAX202CUE+-MAX202CWE+-MAX202CWE+T-MAX202CWE-T-MAX202ICSE-MAX202ICSE+T-MAX206CWG+-MAX206CWG-T-MAX207CAG+-MAX207CAG+T-MAX207CWG+-MAX208CAG+-MAX208CNG+-MAX208CWG+-MAX208CWG+
+5V, RS-232 Transceivers with 0.1µF External Capacitors
General Description
MAX200-MAX209, MAX211, and MAX213 are a family
of RS-232 and V.28 transceivers with integrated charge
pump circuitry for single +5V supply operation.
The drivers maintain the ±5V EIA/TIA-232E output signal
levels at data rates in excess of 120kbps when loaded in
accordance with the EIA/TIA-232E specification.
The MAX211 and MAX213 are available in a 28-pin, wide
small-outline (SO) package and a 28-pin shrink small-
outline (SSOP) package, which occupies only 40% of the
area of the SO. The MAX207 is available in a 24-pin SO
package and a 24-pin SSOP. The MAX203 and MAX205
use no external components and are recommended for
applications with limited circuit board space.
Beneits and Features
●Saves Board SpaceIntegrated Charge Pump Circuitry Eliminates the Need for a Bipolar ±12V Supply Enables Single Supply Operation From Either +5V or 9V to +12VIntegrated 0.1μF Capacitors (MAX203, MAX205)24 pin SSOP Package Saves Up to 40% Versus
SO Package●Saves Power for Longer Battery Operation5μW Shutdown Mode (MAX200, MAX205,
MAX206, MAX211)75μW Ring Indicator Monitoring with Two Active
Receivers (MAX213)
Applications
●Battery-Powered Equipment●Handheld Equipment●Portable Diagnostics Equipment
Selector Guide continued at end of data sheet.
PARTPOWER-SUPPLY
VOLTAGE (V)
NUMBER OF RS-232
DRIVERS
NUMBER OF RS-232
RECEIVERS
NUMBER OF
RECEIVERS
ACTIVE IN
SHUTDOWN
NUMBER OF
EXTERNAL
CAPACITORS (0.1μF)
LOW-POWER
SHUTDOWN/TTL
THREE-STATE

MAX200+55004Yes/No
MAX201+5 and +9.0 to +13.22202No/No
MAX202+52204No/No
MAX203+5220NoneNo/No
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors

+5V INPUT
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
GND
C1+
C1-
C2+
C2-
0.1µF
0.1µF
+6.3V
0.1µF
+16V0.1µF
+16V
0.1µF
+6.3VN.C.SHDN
TTL/CMOS
INPUTS
RS-232
OUTPUTS
MAX200

T1OUT
+5V
T1IN
400kΩ2T1
T2OUT
+5V
400kΩ
T2IN43T2
T3OUT
+5V
400kΩ
T3IN141T3
T4OUT
+5V
400kΩ
T4IN1520T4
T5OUT
+5V
400kΩ
T5IN1916T5
VCC
Selector Guide
Typical Operating Circuit
VCC ..........................................................................-0.3V to +6V
V+ ..............................................................(VCC - 0.3V) to +14V
V- ...........................................................................+0.3V to -14V
Input Voltages
TIN ........................................................-0.3V to (VCC + 0.3V)
RIN ...................................................................................±30V
Output Voltages
TOUT ................................................(V+ + 0.3V) to (V- - 0.3V)
ROUT ....................................................-0.3V to (VCC + 0.3V)
Short-Circuit Duration
TOUT ......................................................................Continuous
Continuous Power Dissipation (TA = +70°C) 14-Pin Plastic DIP (derate 10.00mW/°C above +70°C) ...800mW 16-Pin Plastic DIP (derate 10.53mW/°C above +70°C) ...842mW 16-Pin SO (derate 8.70mW/°C above +70°C) .............696mW 16-Pin Wide SO (derate 9.52mW/°C above +70°C) ...762mW 16-Pin CERDIP (derate 10.00mW/°C above +70°C) .....800mW 20-Pin Plastic DIP (derate 11.11mW/°C above +70°C) ...889mW
20-Pin Wide SO (derate 10.00mW/°C above +70°C) ..800mW 20-Pin CERDIP (derate 11.11mW/°C above +70°C) ...889mW
24-Pin Narrow Plastic DIP (derate 13.33mW/°C above +70°C) .......................1067mW 24-Pin Wide Plastic DIP (derate 9.09mW/°C above +70°C) ...........................727mW 24-Pin Wide SO (derate 11.76mW/°C above +70°C) ..941mW 24-Pin SSOP (derate 8.00mW/°C above +70°C) ........640mW 24-Pin CERDIP (derate 12.50mW/°C above +70°C) ...1000mW 28-Pin Wide SO (derate 12.50mW/°C above +70°C) ..1000mW 28-Pin SSOP (derate 9.52mW/°C above +70°C) ........762mW
Operating Temperature Ranges
MAX2_ _C_ _ .....................................................0°C to +70°C
MAX2_ _E_ _ .................................................-40°C to +85°C
MAX2_ _ M_ _ ..............................................-55°C to +125°C
Storage Temperature Range ............................-65°C to +160°C
Lead Temperature (soldering, 10s) (Note 1) ...................+300°C
(MAX202/MAX204/MAX206/MAX208/MAX211/MAX213: VCC = +5V ±10%; MAX200/MAX203/MAX205/MAX207: VCC = +5V ±5%,
C1–C4 = 0.1µF; MAX201/MAX209: VCC = +5V ±10%, V+ = +9.0V to +13.2V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETERCONDITIONSMINTYPMAXUNITS

Output-Voltage SwingAll transmitter outputs loaded with 3kΩ to ground±5±8V
VCC Power-Supply
CurrentNo load, TA = +25°C
MAX202, MAX203815MAX200, MAX204–MAX208, MAX211,
MAX2131120
MAX201, MAX2090.41
V+ Power-Supply CurrentNo loadMAX201510mAMAX209715
Shutdown Supply CurrentFigure 1, TA = +25°CMAX200, MAX205, MAX206, MAX211110µAMAX2131550
Input Logic Threshold LowTIN, EN, SHDN, EN, SHDN0.8V
Input Logic Threshold HighTIN2.0VEN, SHDN, EN, SHDN2.4
Logic Pullup CurrentTIN = 0V15200µA
RS-232 Input-Voltage
Operating Range-30+30V
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
Note 1:
Maximum reflow temperature for the MAX203 and MAX205 is +225°C.
Absolute Maximum Ratings

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(MAX202/MAX204/MAX206/MAX208/MAX211/MAX213: VCC = +5V ±10%; MAX200/MAX203/MAX205/MAX207: VCC = +5V ±5%,
C1–C4 = 0.1µF; MAX201/MAX209: VCC = +5V ±10%, V+ = +9.0V to +13.2V, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETERCONDITIONSMINTYPMAXUNITS

Receiver Input Threshold
Low
VCC = +5V,
TA = +25°C
Active mode0.81.2VShutdown mode, MAX213, R4, R50.61.5
Receiver Input Threshold
High
VCC = +5V,
TA = +25°C
Active mode1.72.4VShutdown mode, MAX213, R4, R51.52.4
RS-232 Input HysteresisVCC = +5V, no hysteresis in shutdown0.20.51.0V
RS-232 Input ResistanceVCC = +5V, TA = +25°C357kΩ
TTL/CMOS Output-Voltage
Low
IOUT = 3.2mA MAX201, MAX202, MAX2030.4VIOUT = 1.6mAAll others
TTL/CMOS Output-Voltage
HighIOUT = 1.0mA3.5V
TTL/CMOS Output
Leakage CurrentEN = VCC, EN = 0V, 0 ≤ ROUT ≤ VCC0.05±10µA
Output Enable TimeFigure 2MAX205, MAX206, MAX209, MAX211,
MAX213600ns
Output Disable TimeFigure 2MAX205, MAX206, MAX209, MAX211,
MAX213200ns
Receiver Propagation
Delay
SHDN = 0V, R4, R5MAX213440SHDN = VCC0.510
MAX200–MAX2110.510
Transmitter Output
ResistanceVCC = V+ = V- = 0V, VOUT = ±2V300Ω
Transition Region Slew
Rate
CL = 50pF to 2500pF,
RL = 3kΩ to 7kΩ,
VCC = 5V, TA = +25°C
measured from +3V to
-3V or -3V to +3V
MAX200, MAX202–MAX211, MAX21335.530
V/µs
MAX201430
RS-232 Output Short-
Circuit Current±10±60mA
Maximum Data RateRL = 3kΩ to 7kΩ, CL = 50pF to 1000pF, one transmitter120kbps
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
Electrical Characteristics (continued)
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
MAX200/204/205/206/207/208/211/213
TRANSMITTER SKEW RATE
vs. LOAD CAPACITANCE

MAX200-MAX213 toc02
LOAD CAPACITANCE (pF)
Tx SLEW RATE (V/µs)
-SLEW RATE
+SLEW RATE
VCC = +5V
ALL Tx OUTPUTS
LOADED 3kΩIICL
TA = +25°C
LOAD CAPACITANCE (pF)
MAX209
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
MAX200-MAX213 toc03
Tx OUTPUT VOLTAGE (IVI)
VCC = +5V
ALL Tx OUTPUTS
LOADED 3kΩIICL
TA = +25°C
V+ = 12V
20kbps
60kbps
116kbps
MAX201
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE

MAX200-MAX213 toc04
LOAD CAPACITANCE (pF)
Tx OUTPUT VOLTAGE (IVI)
VCC = +5V
ALL Tx OUTPUTS
LOADED 3kΩIICL
TA = +25°C
V+ = 12V
20kbps
60kbps
112kbps
Tx SLEW RATE (V/µs)
LOAD CAPACITANCE (pF)
MAX201/MAX209
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
MAX200-MAX213 toc05
-SLEW RATE
+SLEW RATE
MAX209
MAX201
VCC = +5V
ALL Tx OUTPUTS
LOADED 3kΩIICL
TA = +25°C
V+ = 12V
MAX202/203
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE

MAX200-MAX213 toc06
Tx OUTPUT VOLTAGE (V)
20kbps
120kbps
120kbps
VCC = +4.5V, TA = +25°C
BOTH Tx OUTPUTS, LOADED 3kΩIICL
ONE TRANSMITTER AT FULL DATA RATE
ONE TRANSMITTER AT 1/8 DATA RATE
20kbps
240kbps
240kbps
MAX200/204/205/206/207/208/211/213
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE

MAX200-MAX213 toc01
LOAD CAPACITANCE (pF)
Tx OUTPUT VOLTAGE (IVI)
20kbps
116kbps
60kbps
VCC = +5V
ALL Tx OUTPUTS
LOADED 3kΩIICL
TA = +25°C
Tx SLEW RATE (V/µs)
MAX202/203
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE

MAX200-MAX213 toc07
VCC = +4.5V, TA = +25°C
BOTH Tx OUTPUTS, LOADED 3kΩIICL
ONE TRANSMITTER AT FULL DATA RATE
ONE TRANSMITTER AT 1/8 DATA RATE
-SLEW RATE
+SLEW RATE
240kbps
20kbps
120kbps
240kbps
20kbps
120kbps
SUPPLY CURRENT (mA)
MAX202/203
SUPPLY CURRENT
vs. LOAD CAPACITANCE

MAX200-MAX213 toc08
VCC = +4.5V, TA = +25°C,
BOTH Tx OUTPUTS, LOADED 3kΩIICL
ONE TRANSMITTER AT FULL DATA RATE
ONE TRANSMITTER AT 1/8 DATA RATE
240kbps
20kbps
120kbps
Typical Operating Characteristics
Detailed Description
The MAX200–MAX209/MAX211/MAX213 consist of three
sections: charge-pump voltage converters, drivers (trans-
mitters), and receivers. Each section is described in detail.
+5V to ±10V Dual Charge-Pump
Voltage Converter

The +5V to ±10V conversion is performed by two charge-
pump voltage converters (Figure 4). The first uses capaci-
tor C1 to double +5V to +10V, storing +10V on the V+
output filter capacitor, C3. The second chargepump volt-
age converter uses capacitor C2 to invert +10V to -10V,
storing -10V on the V- output filter capacitor, C4.
The MAX201 and MAX209 include only the V+ to Vcharge
pump, and are intended for applications that have a VCC
= +5V supply and a V+ supply in the +9V to +13.2V range.
In shutdown mode, V+ is internally connected to VCC by a 1kΩ pulldown resistor and V- is internally connected to ground by a 1kΩ pullup resistor.
RS-232 Drivers

When VCC = +5V, the typical driver output-voltage swing is ±8V when loaded with a nominal 5kΩ RS-232 receiver.
The output swing is guaranteed to meet the EIA/TIA-232E
and V.28 specifications, which call for ±5V minimum out-
put levels under worst-case conditions. These include a minimum 3kΩ load, VCC = +4.5V, and the maximum
operating temperature. The open-circuit output-voltage
swing ranges from (V+ - 0.6V) to V-.
Input thresholds are both CMOS and TTL compatible. The
inputs of unused drivers can be left unconnected since 400kΩ pullup resistors to VCC are included onchip. Since
all drivers invert, the pullup resistors force the outputs of
unused drivers low. The input pullup resistors typically source 15μA; therefore, the driver inputs should be driven
high or open circuited to minimize power-supply current
in shutdown mode.
When in low-power shutdown mode, the driver outputs
are turned off and their leakage current is less than 1mA,
even if the transmitter output is backdriven between 0V
and (VCC + 6V). Below -0.5V, the transmitter output is diode clamped to ground with a 1kΩ series impedance.
The transmitter output is also zener clamped to approxi-
mately (VCC + 6V), with a 1kΩ series impedance.
Figure 1. Shutdown Current Test Circuit
Figure 2. Receiver Output Enable and Disable Timing
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
ISHDN
+5.5V
+5.5V
+5.5V (0)
+5.5V
0V OR +5.5V
DRIVE
0.1µF
0.1µF
0.1µF
0.1µF
C1+
C1-
C2+
C2-
400kΩ
3kΩ
5kΩ
GND
VCCV+
TIN
+5.5V
T1 T0 T5
R1 T0 R5
TOUT
RIN
0.1µF
SHDN
ROUT
(SHDN)
EN (EN)
MAX200
MAX205
MAX206
MAX211
MAX213
NOTE 1: ( ) ARE FOR MAX213.
NOTE 2: CAPACITORS CAN BE POLARIZED OR UNPOLARIZED.

+3.5V
RECEIVER
OUTPUT
CL = 150pF
+0.8V
VOH - 0.1V
+ 2.5V
VOH
VOLRL = 1kΩ
VOL + 0.1V
OUTPUT ENABLE TIME
RECEIVER
OUTPUTS
+3VEN
INPUT
OUTPUT ENABLE TIME
+3V
INPUT
NOTE: POLARITY OF EN IS REVERSED FOR THE MAX213.
RS-232 Receivers
The receivers convert RS-232 signals to CMOS logic
output levels. Receiver outputs are inverting, maintaining
compatibility with driver outputs. The guaranteed receiver
input thresholds of +0.8V and +2.4V are significantly
tighter than the ±3.0V threshold required by the EIA/TIA-
232E specification. This allows receiver inputs to respond
to TTL/CMOS logic levels and improves noise margin for
RS-232 levels.
The MAX200–MAX209/MAX211/MAX213 guaranteed
+0.8V threshold (+0.6V in shutdown for the MAX213)
ensures that receivers shorted to ground have a logic 1 output. Also, the 5kΩ input resistance to ground ensures
that a receiver with its input left open also has a logic 1
output.
Receiver inputs have approximately +0.5V hysteresis.
This provides clean output transitions, even with slow rise
and fall time input signals with moderate amounts of noise
Figure 3. Transition Slew-Rate Test Circuit
Figure 4. Dual Charge-Pump Diagram
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
+5V
0V (+5V)
0V (+5V)
0.1µF
0.1µF
0.1µF
C1+
C1-
C2+
C2-
400kΩ
3kΩ
2500pF
5kΩ
VCCV+
TIN
+5V
T1 T0 T5
R1 T0 R5
TOUT
RIN
0.1µF
ROUT
SHDN (SHDN)
EN (EN)
MAX200-MAX209
MAX211
MAX213

+5V
0V (+5V)
MAXIMUM SLEW-RATE
TEST CIRCUIT
MINIMUM SLEW-RATE
TEST CIRCUIT
NOTE: ( ) ARE FOR MAX213.

0V (+5V)
0.1µF
0.1µF
0.1µF
C1+
C1-
C2+
C2-
400kΩ
7kΩ
50pF
5kΩ
VCCV+
TIN
+5V
T1 T0 T5
R1 T0 R5
TOUT
RIN
0.1µF
ROUT
SHDN (SHDN)
EN (EN)
MAX200-MAX209
MAX211
MAX213
0.1µF0.1µFV+S5S1S2C1+S6C2+
IL+C3C2
GND
RL-S7S8
GNDVCC
IL-RL+
C2-
VCC
200kHzS4
C1-
GND
Shutdown and Enable Control
In shutdown mode, the MAX200/MAX205/MAX206/
MAX211/MAX213 charge pumps are turned off, V+ is
pulled down to VCC, V- is pulled to ground, and the trans-
mitter outputs are disabled. This reduces supply current
typically to 1μA (15μA for the MAX213). The time required
to exit shutdown is 1ms, as shown in Figure 5.
All receivers except R4 and R5 on the MAX213 are put
into a high-impedance state in shutdown mode. The
MAX213’s R4 and R5 receivers still function in shutdown
mode. These two receivers are useful for monitoring
external activity while maintaining minimal power con-
sumption.
The enable control is used to put the receiver outputs into
a high-impedance state, so that the receivers can be con-
nected directly to a three-state bus. It has no effect on the
RS-232 drivers or on the charge pumps.
MAX213 Receiver Operation in Shutdown

During normal operation, the MAX213’s receiver propa-gation delay is typically 1µs. When entering shutdown
with receivers active, R4 and R5 are not valid until 80µs
after SHDN is driven low. In shutdown mode, propagation
delays increase to 4µs for a high-to-low or a low-to-high
transition.
When exiting shutdown, all receiver outputs are invalid
until the charge pumps reach nominal values (< 2ms
when using 0.1µF capacitors).
Table 1a. MAX200 Control Pin Configurations

*Active = active with reduced performance.
Table 1b. MAX205/MAX206/MAX211 Control Pin Configurations
Table 1c. MAX213 Control Pin Configurations

Figure 5. Transmitter Outputs When Exiting Shutdown
SHDNOPERATION STATUSTRANSMITTERS T1–T5
Normal OperationAll ActiveShutdownAll High-Z
SHDNENOPERATION STATUSTRANSMITTERS T1–T5RECEIVERS R1–R5
0Normal OperationAll ActiveAll Active1Normal OperationAll ActiveAll High-Z0ShutdownAll High-ZAll High-Z
SHDNENOPERATION STATUSTRANSMITTERS T1–T4RECEIVERS
R1, R2, R3R4, R5
0ShutdownAll High-ZHigh-ZHigh-Z1ShutdownAll High-ZHigh-ZActive*0Normal OperationAll ActiveHigh-ZHigh-Z1Normal OperationAll ActiveActiveActive
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
TWO TRANSMITTER
OUTPUTS:
ONE HIGH, ONE LOW
SHDN*
THREE TRANSMITTERS LOADED WITH 3kΩ||2500pF.
*SHUTDOWN POLARITY REVERSED FOR MAX213.
SHUTDOWNTRANSMITTERS ON
Applications Information
Capacitor Selection

The type of capacitor used is not critical for proper
operation. Ceramic capacitors are suggested. To ensure
proper RS-232 signal levels over temperature when
using 0.1µF capacitors, make sure the capacitance value
does not degrade excessively as the temperature varies.
If in doubt, use capacitors with a larger nominal value.
Also observe the capacitors’ ESR value over tempera-
ture, since it influences the amount of ripple on V+ and
V-. To reduce the output impedance at V+ and V-, use
larger capacitors (up to 10µF). If polarized capacitors are
used, obey the polarities shown in Figure 1 and the pin
configurations.
Driving Multiple Receivers

Each transmitter is designed to drive a single receiver.
Transmitters can be paralleled to drive multiple receivers.
Driver Outputs When Exiting Shutdown

Figure 5 shows two driver outputs exiting shutdown. As
they become active, the two driver outputs go to opposite
RS-232 levels (one driver input is high, the other is low). Each driver is loaded with 3kΩ in parallel with 2500pF.
The driver outputs display no ringing or undesirable tran-
sients as they come out of shutdown.
Power-Supply Decoupling

In applications that are sensitive to power-supply noise,
decouple VCC to ground with a capacitor of the same
value as the charge-pump capacitors.
V+ and V- as Power Supplies

A small amount of power can be drawn from V+ and V-,
although this reduces noise margins.
Power Supplies for MAX201/MAX209

If at power-up the V+ supply rises after the VCC supply,
place a diode (e.g., 1N914) in series with the V+ supply.
Table 2. Summary of EIA/TIA-232E, V.28 Specifications
Table 3. DB9 Cable Connections Commonly Used for EIA/TIA-232E and V.24 Asynchronous Interfaces
PARAMETERCONDITIONEIA/TIA-232E, V.28 SPECIFICATION

Driver Output Voltage: 0 Level3kΩ to 7kΩ load+5.0V to +15V
Driver Output Voltage: 1 Level3kΩ to 7kΩ load-5.0V to -15V
Output Level, MaximumNo load±25V
Data Rate3kΩ ≤ RL ≤ 7kΩ, CL ≤ 2500pFUp to 20kbps
Receiver Input Voltage: 0 Level—+3.0V to +15V
Receiver Input Voltage: 1 Level—-3.0V to -15V
Input Level, Maximum—±25V
Instantaneous Slew Rate, Maximum3kΩ ≤ RL ≤ 7kΩ, CL ≤ 2500pF30V/µs
Driver Output Short-Circuit Current, Maximum—100mA
Transition Rate on Driver OutputV.281ms or 3% of the period
EIA/TIA-232E4% of the period
Driver Output Resistance-2V < VOUT < +2V300Ω
PINNAMECONNECTION
Received Line Signal Detector, sometimes called Carrier Detect (DCD)Handshake from DCEReceive Data (RD)Data from DCETransmit Data (TD)Data from DTEData Terminal ReadyHandshake from DTESignal GroundReference point for signalsData Set Ready (DSR)Handshake from DCERequest to Send (RTS)Handshake from DTE
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
DIP/SO

T4OUT
+5V INPUT
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
GND
C1+
C1-
C2+
C2-
0.1µF
0.1µF
+6.3V
0.1µF
+16V0.1µF
+16V
0.1µF
+6.3VN.C.SHDN
TTL/CMOS
INPUTS
RS-232
OUTPUTS
T5IN
N.C.
SHNDT2IN
T2OUT
T1OUT
T3OUT
MAX200
MAX200

T5OUT
T4IN
T3INVCC
GND8V-C1+9C2-V+10C2+C1-
T1IN
T1OUT
+5V
T1IN
400kΩ2T1
T2OUT
+5V
400kΩ
T2IN43T2
T3OUT
+5V
400kΩ
T3IN141T3
T4OUT
+5V
400kΩ
T4IN1520T4
T5OUT
+5V
400kΩ
T5IN1916T5
VCC
TOP VIEW
MAX200 Pin Coniguration/Typical Operating Circuit
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
+5V INPUT+9V TO +12V
+12V TO -12V
VOLTAGE CONVERTER
GND
13 (15)
14 (16)1
0.1µF
+16V
0.1µF
+16V
T1OUT
R2IN
T2OUT
+5V
+5V
5kΩ
5kΩ
T1IN
400kΩ
400kΩ
T2IN
R2OUT
(10) 8
R1OUT(11) 9
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
RS-232
OUTPUTS
RS-232
INPUTS
12 (14)
R1IN10 (12)
11 (13)
VCC
GND
T1OUTT2OUT
MAX201
MAX201

R1IN
R1OUT
T1INT2IN
R2OUT
R2IN
DIP

VCC
GND
T1OUTT2OUT
MAX201

R1IN
R1OUT
N.C.N.C.
R2OUT7T1INT2IN
R2IN
VCC
TOP VIEW
0.1µF
NOTE: PIN NUMBERS IN ( ) ARE FOR SO PACKAGE
MAX201 Pin Conigurations/Typical Operating Circuit
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
TOP VIEW
+5V INPUT
+5V TO +10V
VOLTAGE DOUBLER
+10V TO -10V
VOLTAGE INVERTER
GND
C1+
C1-
0.1µF
0.1µF
+6.3V1
0.1µF
+6.3V
0.1µF
+16V
+10V
-10V
T1OUT
R2IN
T2OUT
+5V
+5V
5kΩ
5kΩ
T1IN
400kΩ
400kΩ
T2IN
R2OUT
R1OUT12
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
RS-232
OUTPUTS
RS-232
INPUTS
R1IN13
C2+
C2-
0.1µF
+16V5
VCC
GND
T1OUT
C2+R1IN
C1-
C1+
MAX202

R1OUT
T1IN
R2OUTR2IN7T2INT2OUT
C2-
DIP/SO/WIDE SO

VCC
MAX202
MAX202 Pin Coniguration/Typical Operating Circuit
MAX200–MAX209/
MAX211/MAX213
+5V, RS-232 Transceiverswith 0.1μF External Capacitors
TOP VIEW
+5V INPUT
GNDGND
T1OUT
R2IN
T2OUT
+5V
+5V
5kΩ
5kΩ
T1IN
400kΩ
400kΩ
T2IN
R2OUT
C1+C2+
C2+
C2-
C2-9
C1-
8 (13)DO NOT MAKE
CONNECTION TO
THESE PINS
INTERNAL -10V
POWER SUPPLY
INTERNAL +10V
POWER SUPPLY
13 (14)
12 (10)
14 (8)
R1OUT3
TTL/CMOS
INPUTS
TTL/CMOS
OUTPUTS
RS-232
OUTPUTS
RS-232
INPUTS
11 (12)
10 (11)
R1IN4T1
VCC
DIP

R2OUT
R2IN
T2OUTR1IN
R1OUT
T1IN
T2IN
MAX203
MAX203

C2-
C2+VCC
GND8C1-C1+9V-GND10C2+C2-
T1OUT
R2OUT
R2IN
T2OUTR1IN
R1OUT
T1IN
T2IN
MAX203

C2-
C2+
C1-VCC
GND8C1+V+9C2+GND10C2-V-
T1OUT
0.1µF
NOTE: PIN NUMBERS IN ( ) ARE FOR SO PACKAGE.
MAX203 Pin Conigurations/Typical Operating Circuit
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