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MAX3160EAPTIN/a2500avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3160CAPMAXIM Pb-freeN/a132avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3160CAPMAXIMN/a247avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3160EAPMAXIMN/a4000avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3161CAGMAXIMN/a17avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3162CAIMAXIMN/a41avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3162CAIMAXINN/a15avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
MAX3162EAIMAXIMN/a688avai+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers


MAX3160EAP ,+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol TransceiversApplicationsPoint-of-Sales Equipment Peripherals+3V TO +5.5VIndustrial Controls Networking1RS-232 t ..
MAX3160EAP ,+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol TransceiversMAX3160/MAX3161/MAX3162 19-1722; Rev 1; 9/00+3.0V to +5.5V, 1µA, RS-232/RS-485/422Multiprotocol Tra ..
MAX3160EAP+ ,±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversFeaturesThe MAX3160E/MAX3161E/MAX3162E are programma-• Flexible Options for RS-232 and RS-422/485bl ..
MAX3160EAP+T ,±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversApplicationsPoint-of-Sales Equipment Peripherals +3V TO +5.5VIndustrial Controls Networking2RS-232 ..
MAX3160ECAP ,+5kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversFeatures♦ Single Supply Operation from +3V to +5.5VThe MAX3160E/MAX3161E/MAX3162E are programma-ble ..
MAX3160ECAP+ ,±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversApplicationsPoint-of-Sales Equipment Peripherals +3V TO +5.5VIndustrial Controls Networking2RS-232 ..
MAX638ACPA ,+5V/Adjustable CMOS Step-down Switching Regulatorapplications require only a small, low-cost induc- tor, an output filter capacitor, and a catch di ..
MAX638ACSA ,+5V/Adjustable CMOS Step-down Switching RegulatorGeneral Description The MAX638 step-down switching regulator is designed for minimum component, ..
MAX638ACSA ,+5V/Adjustable CMOS Step-down Switching RegulatorApplications MAX638AEPA -4CY'C to +85°C 8 Plastic DIP Efficient DC-DC Step-Down Regulation MAX638A ..
MAX638ACSA+ ,5V Adjustable, CMOS, Step-Down Switching RegulatorELECTRICAL CHARACTERISTICS (+Vs = +12V, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL ..
MAX638AEPA ,+5V/Adjustable CMOS Step-down Switching RegulatorFeatures . Fixed +5V Output . Adiustable Output with 2 Resistors . Low Operating Current . 85 ..
MAX638AEPA+ ,5V Adjustable, CMOS, Step-Down Switching RegulatorFeatures . Fixed +5V Output . Adiustable Output with 2 Resistors . Low Operating Current . 85 ..


MAX3160CAP-MAX3160EAP-MAX3161CAG-MAX3162CAI-MAX3162EAI
+3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers
General Description
The MAX3160/MAX3161/MAX3162 are programmable
RS-232/RS-485/422 multiprotocol transceivers. The
MAX3160/MAX3161 are pin programmable as a 2Tx/2Rx
RS-232 interface or a single RS-485/422 transceiver. The
MAX3162 is configured as a 2Tx/2Rx RS-232 interface
and a single RS-485/422 transceiver simultaneously.
All devices incorporate a proprietary low-dropout trans-
mitter output stage and an on-board dual charge pump
to allow RS-232 and RS-485/422 compliant perfor-
mance from a +3V to +5.5V supply. The receivers
feature true fail-safe circuitry that guarantees a logic-
high receiver output when the receiver inputs are open
or shorted. These devices also feature pin-selectable
transmitter slew rates for both RS-232 and RS-485/422
modes. Slew-rate limiting minimizes EMI and reduces
reflections caused by improperly terminated cables,
allowing error-free data transmission up to 250kbps.
Disabling slew-rate limiting allows these devices to
transmit at data rates up to 10Mbps in RS-485/422
mode and up to 1Mbps in RS-232 mode. The
MAX3160/MAX3161/MAX3162 feature a 1µA shutdown
mode, and short-circuit limiting and thermal shutdown
circuitry to protect against excessive power dissipation.
The MAX3160/MAX3162 offer a flow-through pinout that
facilitates board layout. The MAX3160/MAX3161/
MAX3162 are available in tiny SSOP packages and
operate over the commercial and extended tempera-
ture ranges.
________________________Applications

Point-of-Sales EquipmentPeripherals
Industrial ControlsNetworking
RS-232 to RS-485
Interface Converters
Features
Single-Supply Operation from +3V to +5.5VPin-Programmable as 2Tx/2Rx RS-232 or Single
RS-485/422 (MAX3160/MAX3161)
2Tx/2Rx RS-232 and Single RS-485/422 (MAX3162)Pin-Programmable RS-232/RS-485 Transmitter
Slew Rates Reduce EMI
10Mbps RS-485 and 1Mbps RS-232 Data RatesPin-Programmable Half-Duplex or Full-Duplex
RS-485/422 Operation (MAX3160/MAX3161)
RS-485/422 True Fail-Safe ReceiversTransmitters and Receivers Protected Against
Wiring Faults
1µA Shutdown Supply Current1/8-Unit Load Allows up to 256 Transceivers on
the Bus
MAX3160/MAX3161/MAX3162
+3.0V to +5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers

19-1722; Rev 1; 9/00
Ordering Information
Typical Operating Circuit
Pin Configurations appear at end of data sheet.
MAX3160/MAX3161/MAX3162
+3.0V to +5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS

(VCC= +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V
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.
Note 1:
V+ and V- can have maximum magnitudes of 7V, but their absolute difference cannot exceed 13V.
VCCto GND..............................................................-0.3V to +6V
V+ to GND................................................................-0.3V to +7V
V- to GND....................................................................0.3V to -7V
V+ - V- (Note 1)....................................................................+13V
Input Voltages
T1IN, T2IN, DI, DE485, RE485, TE232, RE232, SHDN,
FAST, HDPLX, RS485/RS232to GND................-0.3V to +6V
A, B, R1IN, R2IN to GND...............................................±25V
Output Voltages
T1OUT, T2OUT, Y, Z to GND......................................±13.2V
R2OUT, R1OUT, RO to GND................-0.3V to (VCC+ 0.3V)
Output Short-Circuit Duration
T1OUT, T2OUT, Y, Z............................................Continuous
Continuous Power Dissipation (TA= +70°C)
20-Pin SSOP (derate 9.1W/°C above +70°C)............728mW
24-Pin SSOP (derate 9.5W/°C above +70°C)............760mW
28-Pin SSOP (derate 10.8W/°C above +70°C)..........864mW
Operating Temperature Ranges
MAX316_CA_....................................................0°C to +70°C
MAX316_EA_.................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s).................................+300°C
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
ELECTRICAL CHARACTERISTICS (continued)

(VCC= +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V
±10%; TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.)
MAX3160/MAX3161/MAX3162
+3.0V to +5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
ELECTRICAL CHARACTERISTICS (continued)

(VCC= +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
ELECTRICAL CHARACTERISTICS (continued)

(VCC= +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V
Typical Operating Characteristics

(VCC= +3.3V, 250kbps data rate, 0.1µF capacitors, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto ground, TA= +25°C,
unless otherwise noted.)
Note 2:
Applies to A, B for MAX3162 and MAX3160/MAX3161 with HDPLX = GND, or Y, Z for MAX3160/MAX3161 with HDPLX = VCC.
MAX3160/MAX3161/MAX3162
+3.0V to +5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers

SHUTDOWN CURRENT vs. TEMPERATURE
MAX3160/2 TOC7
TEMPERATURE (°C)
SHUTDOWN CURRENT (nA)
RS-485/422 OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
MAX3160/2 TOC8
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
RS-485/422 OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
MAX3160/2 TOC9
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
RS-485/422 DRIVER OUTPUT CURRENT vs.
DIFFERENTIAL OUTPUT VOLTAGE
MAX3160/2 TOC10
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
RS-485/422 DRIVER DIFFERENTIAL OUTPUT
vs. TEMPERATURE
MAX3160/2 TOC11
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
OUTPUT CURRENT vs. RECEIVER
OUTPUT LOW VOLTAGE
MAX3160/2 TOC12
OUTPUT CURRENT (mA)ypical Operating Characteristics (continued)
(VCC= +3.3V, 250kbps data rate, 0.1µF capacitors, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto ground, TA= +25°C,
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers

RS-485/422 RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX3160/2 TOC16
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
RS-485/422 DRIVER PROPAGATION DELAY
vs.TEMPERATURE (FAST)
MAX3160/2 TOC18
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
RS-485/422 DRIVER PROPAGATION DELAY
vs. TEMPERATURE (SLOW)
MAX3160/2 TOC19
TEMPERATURE (°C)
TIME (ns)
RS-485/422 DRIVER PROPAGATION
(FAST, 10Mbps)

MAX3160/2 TOC20
DI
5V/div
VY-VZ
2V/div
20ns/div
RS-485/422 DRIVER PROPAGATION
(SLOW, 250kbps)

MAX3160/2 TOC21
5V/div
VY-VZ
2V/div
1.0µs/div
RS-485/422 RECEIVER PROPAGATION
(FAST, 5Mbps)

MAX3160/2 TOC22
VY-VZ
2V/div
2V/div
40ns/div
RS-485/422 DRIVER DISABLE/ENABLE
TO DRIVER OUTPUT

MAX3160/2 TOC24
DE485
2V/div
VY - VZ
2V/div
100ns/div
OUTPUT CURRENT vs. RECEIVER
OUTPUT HIGH VOLTAGE
MAX3160/2 TOC13
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)ypical Operating Characteristics (continued)
(VCC= +3.3V, 250kbps data rate, 0.1µF capacitors, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto ground, TA= +25°C,
unless otherwise noted.)
MAX3160/MAX3161/MAX3162
+3.0V to +5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
Functional Diagrams
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
Functional Diagrams (continued)
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
Functional Diagrams (continued)

Figure 3. RS-485/422 Driver Timing Test Circuit
Figure 2. RS-485/422 Receiver Enable/Disable Timing Test Load
Figure 1. RS-485/422 Driver DCTest Load
Test Circuits
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