MAX3160E_15 Datasheet, PDF (1/26 Pages) Maxim Integrated Products – ±15kV ESD-Protected, +3.0V to +5.5V, 10nA, RS-232/RS-485/ RS-422 Multiprotocol Transceivers

EVALUATION KIT AVAILABLE
MAX3160E/MAX3161E/MAX3162E
±15kV 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 transmitter outputs and receiver inputs are pro-
tected 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
performance from a +3V to +5.5V supply. 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/MAX3162E offer a flow-through pin-
out that facilitates board layout. The MAX3160E/
MAX3161E/MAX3162E are available in tiny SSOP pack-
ages and operate up to -40°C to +85°C temperature
ranges.
Benefits and Features
• Flexible Options for RS-232 and RS-422/485
Operation In One Package
• Simultaneous 2Tx/2Rx RS-232 and Half-Duplex
RS-485 Transceiver Operation (MAX3162E)
• Pin-Programmable As Either 2Tx/2Rx RS-232 or
Half/Full RS-485 Transceiver (MAX3160E,
MAX3161E)
• Integrated Protection Increases Robustness
• High ±15kV ESD HBM per JEDEC JS-001-2012
• Transmitters and Receivers Protected Against
Wiring Faults
• True Fail-Safe Receiver Prevents False Transition
on Receiver Input Short or Open
• Short-Circuit Protection Over the Entire Common-
Mode Voltage Range
• Thermal Protection from Excessive Power
Dissipation
• Slew Rate Limiting Minimizes EM and Reduces
Cable Reflections
• Integrated Charge Pump Circuitry Saves Board
Space
• Eliminates the Need for a Bipolar ±12V Supply
• Enables Single Supply Operation From +3V to
+5.5V Voltage Supply
• 1µA Shutdown Supply Current Saves Power
• Allows Up To 256 Transceivers on the Bus
Applications
Point-of-Sales Equipment
Industrial Controls
RS-232 to RS-485
Interface Converters
Peripherals
Networking
Security Systems
Typical Operating Circuit
+3V TO +5.5V
TX
13
RTS
MAX3100 ¹¹
RX
12
CTS
10
SPI
2
VCC
RS-485/RS232
11
MAX3160E
DI/T1IN
16
Z(B)/T1OUT ₅
DE485/T2IN
15
Y(A)/T2OUT
6
8 ^RO/R2OUT
A/R2IN
13
R1OUT
7
B/R1IN
14
GND FAST HDPLX SHDN
4 10 12 9
DB9
RJ45
Ordering Information appears at end of data sheet.
Pin Configurations appear at end of data sheet.
Selector Guide appears at end of data sheet.
µP SHDN
19-3580; Rev 1; 5/15