Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
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Pin Description
PIN
MAX3160E
MAX3161E MAX3162E
NAME FUNCTION
1 1 1 C1+ Positive Terminal of the Positive Flying Capacitor
222V
CC
Positive Supply Voltage
3 3 3 C1- Negative Terminal of the Positive Flying Capacitor
4 4 4 GND Ground
— 5 5 T1OUT RS-232 Driver Output
5 — — Z(B)/T1OUT
Inverting RS-485/RS-422 Driver Output in Full-Duplex Mode
(and Inverting RS-485/RS-422 Receiver Input in Half-Duplex
Mode)/RS-232 Driver Output
— — 6 Z Inverting RS-485/RS-422 Driver Output
— 6 — Z(B)
Inverting RS-485/RS-422 Driver Output in Full-Duplex Mode
(and Inverting RS-485/RS-422 Receiver Input in Half-Duplex
Mode)
6 — — Y(A)/T2OUT
Noninverting RS-485/RS-422 Driver Output in Full-Duplex
Mode (and Noninverting RS-485/RS-422 Receiver Input in
Half-Duplex Mode)/RS-232 Driver Output
— — 7 Y Noninverting RS-485/RS-422 Driver Output
— 7 — Y(A)
Noninverting RS-485/RS-422 Driver Output in Full-Duplex
Mode (and Noninverting RS-485/RS-422 Receiver Input in
Half-Duplex Mode)
7 9 9 R1OUT RS-232 Receiver Output
— 8 8 T2OUT RS-232 Driver Output
8 10 — RO/R2OUT RS-485/RS-422 Receiver Output/RS-232 Receiver Output
91113SHDN
Active-Low Shutdown-Control Input. Drive SHDN low to shut
down transmitters and charge pump.
— — 10 R2OUT RS-232 Driver Output
10 12 14 FAST
Transmitter Speed-Select Input. Select slew-rate limiting for
RS-232 and RS-485/RS-422. Slew-rate limits with a logic-level
low.
— — 11 RO RS-485/RS-422 Receiver Output
11 13 —
RS - 485/RS - 232
Pin-Selectable Mode Functionality Input. Operates as
RS-485/RS-422 with a logic-level high; operates as RS-232
with a logic-level low.
——12RE485
RS-485/RS-422 Receiver Enable Input. Logic-level low enables
RS-485/RS-422 receivers.
12 14 — HDPLX
Pin-Selectable Mode Functionality Input. Operates in full-
duplex mode when low; operates in half-duplex mode when
high.