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MAX3160ECAPTIN/a300avai+5kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers
MAX3160EEAPTIN/a800avai+5kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers


MAX3160EEAP ,+5kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversELECTRICAL CHARACTERISTICS(V = +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF ..
MAX3160EEAP+ ,±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversElectrical Characteristics (continued)(V = +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C ..
MAX3160EEAP+ ,±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversGeneral Description Benefits and
MAX3160EEAP+T ,±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol TransceiversEVALUATION KIT AVAILABLE±15kV ESD-Protected, +3.0V toMAX3160E/MAX3161E/MAX3162E+5.5V, 10nA, RS-232/ ..
MAX3161CAG ,+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 ..
MAX3161CAG+ ,+3.0V to +5.5V, 1µA, RS-232/RS-485/422 Multiprotocol TransceiversGeneral Description Benefits and
MAX638AEPA+ ,5V Adjustable, CMOS, Step-Down Switching RegulatorFeatures . Fixed +5V Output . Adiustable Output with 2 Resistors . Low Operating Current . 85 ..
MAX638AESA ,+5V/Adjustable CMOS Step-down Switching RegulatorELECTRICAL CHARACTERISTICS (+Vs = +12V, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL ..
MAX638AESA ,+5V/Adjustable CMOS Step-down Switching Regulatorfeatures such as logic-level shutdown, adjustable oscillator frequency, and external MOSFET drive ..
MAX638AESA ,+5V/Adjustable CMOS Step-down Switching RegulatorELECTRICAL CHARACTERISTICS (+Vs = +12V, TA = +25°C, unless otherwise noted.) PARAMETER SYMBOL ..
MAX638AESA+ ,5V Adjustable, CMOS, Step-Down Switching RegulatorApplications MAX638AEPA -4CY'C to +85°C 8 Plastic DIP Efficient DC-DC Step-Down Regulation MAX638A ..
MAX638BCJA ,5V Adjustable, CMOS, Step-Down Switching Regulatorapplications require only a small, low-cost induc- tor, an output filter capacitor, and a catch di ..


MAX3160ECAP-MAX3160EEAP
+5kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/RS-422 Multiprotocol Transceivers
General Description
The MAX3160E/MAX3161E/MAX3162E are programma-
ble RS-232/RS-485/RS-422 multiprotocol transceivers.
The MAX3160E/MAX3161E are pin programmable as a
2Tx/2Rx RS-232 interface or a single RS-485/RS-422
transceiver. The MAX3162E is configured as a 2Tx/2Rx
RS-232 interface, and a single RS-485/RS-422 trans-
ceiver simultaneously.
The MAX3160E/MAX3161E/MAX3162E feature enhanced
electrostatic discharge (ESD) protection. All of the trans-
mitter outputs and receiver inputs are protected to ±15kV
using the Human Body Model.
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-/RS-422-compliant perfor-
mance from a +3V to +5.5V supply. The receivers feature
true fail-safe circuitry that guarantees a logic-high receiv-
er output when the receiver inputs are open or shorted.
These devices also feature pin-selectable transmitter
slew rates for RS-232 and RS-485/RS-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/RS-422 mode and up to 1Mbps in
RS-232 mode. The MAX3160E/MAX3161E/MAX3162E
feature a 10nA shutdown mode, short-circuit limiting, and
thermal shutdown circuitry to protect against excessive
power dissipation.
The MAX3160E/MAX3162E offer a flow-through pin-
out that facilitates board layout. The MAX3160E/
MAX3161E/MAX3162E are available in tiny SSOP pack-
ages and operate over the commercial and extended
temperature ranges.
________________________Applications

Point-of-Sales EquipmentPeripherals
Industrial ControlsNetworking
RS-232 to RS-485 Security Systems
Interface Converters
Features
Single Supply Operation from +3V to +5.5VESD Protection
±15kV Human Body Model
Pin-Selectable as 2Tx/2Rx RS-232 or Single
RS-485/RS-422 (MAX3160E/MAX3161E)
2Tx/2Rx RS-232 and Single RS-485/RS-422
(MAX3162E)
Pin-Selectable RS-232/RS-485 Transmitter Slew
Rates Reduce EMI
10Mbps RS-485 and 1Mbps RS-232 Data RatesPin-Selectable Half-Duplex or Full-Duplex
RS-485/RS-422 Operation (MAX3160E/MAX3161E)
RS-485/RS-422 True Fail-Safe Receivers10nA Shutdown Supply Current1/8-Unit Load Allows up to 256 Transceivers on
the Bus
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers

19-3580; Rev 0; 2/05
Typical Operating Circuit
Pin Configurations appear at end of data sheet.
Selector Guide appears at end of data sheet.
Ordering Information
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-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±10%;= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +3.3V and TA= +25°C.) (Note 2)
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.................................................................-7V to +0.3V
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 (VCC= 0 or
SHDN= GND)..............................................................±13.2V
T1OUT, T2OUT to GND (VCC= 5.5V and
SHDN= VCC).....................................................-13.2V to +9V
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 8.0mW/°C above +70°C)...........640mW
24-Pin SSOP (derate 8.0mW/°C above +70°C)...........640mW
28-Pin SSOP (derate 9.1mW/°C above +70°C)...........727mW
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
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-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%;
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-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%;
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-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%;
Typical Operating Characteristics

(VCC= +3.3V, 250kbps data rate, CBYPASS, C1, C2, C3, C4 = 0.1µF, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto
ground, TA= +25°C, unless otherwise noted.)
Note 3:
Applies to A, B for MAX3162E and MAX3160E/MAX3161E with HDPLX = GND, or Y, Z for MAX3160E/MAX3161E with
HDPLX = VCC.
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
Typical Operating Characteristics (continued)

(VCC= +3.3V, 250kbps data rate, CBYPASS, C1, C2, C3, C4 = 0.1µF, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
Typical Operating Characteristics (continued)

(VCC= +3.3V, 250kbps data rate, CBYPASS, C1, C2, C3, C4 = 0.1µF, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto
ground, TA= +25°C, unless otherwise noted.)
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
Typical Operating Characteristics (continued)

(VCC= +3.3V, 250kbps data rate, CBYPASS, C1, C2, C3, C4 = 0.1µF, all RS-232 transmitters (RS-232 mode) loaded with 3kΩto
ground, TA= +25°C, unless otherwise noted.)
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
Pin Description
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
Pin Description (continued)
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
MAX3160E Functional Diagram
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
MAX3161E Functional Diagram
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
MAX3162E Functional Diagram

Figure 3. RS-485/RS-422 Driver Timing Test Circuit
Figure 4. RS-485/RS-422 Driver Enable/Disable Timing Test Load
Figure 2. RS-485/RS-422 and RS-232 Receiver Enable/Disable
Timing Test Load
Figure 1. RS-485/RS-422 Driver DCTest Loadest Circuits
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