
MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
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9
Pin Description
PIN
MAX3160E
MAX3161E
MAX3162E
NAME
FUNCTION
1
C1+
Positive Terminal of the Positive Flying Capacitor
22
2
VCC
Positive Supply Voltage
3
C1-
Negative Terminal of the Positive Flying Capacitor
4
GND
Ground
—
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
R1OUT
RS-232 Receiver Output
—
8
T2OUT
RS-232 Driver Output
8
10
—
RO/R2OUT
RS-485/RS-422 Receiver Output/RS-232 Receiver Output
911
13
SHDN
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.
——
12
RE485
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.