MAX13080E Datasheet, PDF (12/24 Pages) Maxim Integrated Products – +5.0V, 15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers

+5.0V, ±15kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceivers
Pin Description
PIN
MAX13080E MAX13081E MAX13082E
MAX13083E MAX13084E MAX13085E
MAX13086E MAX13087E MAX13088E
MAX13089E
NAME
FULL-DUPLEX
DEVICES
HALF-
DUPLEX
DEVICES
FULL- HALF-
DUPLEX DUPLEX
MODE MODE
FUNCTION
1, 8, 13
—
—
—
2
2
3
—
4
—
5
3
—
—
6, 7
4
—
—
9
5
—
—
10
6
—
—
11
7
—
—
—
—
—
—
—
N.C.
No Connect. Not internally connected, can be connected
to GND.
Half-/Full-Duplex Select Input. Connect H/F to V_CC for
—
1
1
H/F half-duplex mode; connect H/F to GND or leave
unconnected for full-duplex mode.
1
2
2
RO
Receiver Output. When RE is low and if (A - B) ≥ -50mV,
RO is high; if (A - B) ≤ -200mV, RO is low.
Receiver Output Enable. Drive RE low to enable RO; RO is
2
3
3
RE
high impedance when RE is high. Drive RE high and DE
low to enter low-power shutdown mode. RE is a hot-swap
input (see the Hot-Swap Capability section for details).
Driver Output Enable. Drive DE high to enable driver
outputs. These outputs are high impedance when DE is
3
4
4
DE low. Drive RE high and DE low to enter low-power
shutdown mode. DE is a hot-swap input (see the Hot-
Swap Capability section for details).
Driver Input. With DE high, a low on DI forces noninverting
4
5
5
DI output low and inverting output high. Similarly, a high on DI
forces noninverting output high and inverting output low.
Slew-Rate Limit Selector Input. Connect SRL to ground for
—
6
6
SRL
16Mbps communication rate; connect SRL to V_CC for
500kbps communication rate. Leave SRL unconnected for
250kbps communication rate.
5
7
7
GND Ground
Transmitter Phase. Connect TXP to ground or leave TXP
—
8
8
TXP floating for normal transmitter phase/polarity. Connect TXP
to V_CC to invert the transmitter phase/polarity.
—
9
—
Y Noninverting Driver Output
—
—
9
Y ^{Noninverting Driver Output and Noninverting Receiver}
Input*
—
10
—
Z Inverting Driver Output
—
—
10
Z Inverting Driver Output and Inverting Receiver Input*
—
11
—
B Inverting Receiver Input
—
—
11
B Receiver Input Resistors*
7
—
—
B Inverting Receiver Input and Inverting Driver Output
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