MAX3085ESA Maxim Integrated Products, MAX3085ESA Datasheet - Page 11

• Manufacturer Part Number: MAX3085ESA
• Description: RS-422/RS-485 Interface IC
• Manufacturer: Maxim Integrated Products

Specifications of MAX3085ESA

• Lead Free Status / Rohs Status: No

MAX3080E/MAX3083E/MAX3086E
±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps),
* (MAX3089E only). In half-duplex mode, the driver outputs serve as receiver inputs. The full-duplex receiver inputs (A and B) will still
X = Don’t care
Shutdown mode, driver and receiver outputs high impedance
MAX3080E
MAX3083E
MAX3086E
have a 1/8-unit load, but are not connected to the receiver.
1, 8, 13
RE
12
14
—
—
—
FULL-DUPLEX
X
X
0
1
RE
0
0
0
1
1
DEVICES
MAX3081E
MAX3084E
MAX3087E
INPUTS
Slew-Rate-Limited RS-485/RS-422 Transceivers
DE
—
—
—
—
1
1
0
0
8
1
INPUTS
______________________________________________________________________________________
DE
X
X
X
1
0
TRANSMITTING
RECEIVING
MAX3082E
MAX3085E
MAX3088E
DEVICES
DUPLEX
HALF-
PIN
DI
—
—
—
—
1
0
X
X
6
8
Open/shorted
≥ -0.05V
≤ -0.2V
A - B
X
X
DUPLEX
High-Z
MODE
FULL-
12
13
14
—
—
—
Z
0
1
MAX3089E
OUTPUTS
Shutdown
Shutdown
OUTPUT
High-Z
DUPLEX
HALF-
MODE
High-Z
RO
1
0
1
12
13
14
—
—
—
Y
1
0
NAME
N.C.
RXP
V
A
A
A
CC
MAX3081E/MAX3084E/MAX3087E
Noninverting Receiver Input
Receiver Input Resistors*
Noninverting Receiver Input and Noninverting Driver
Output
Receiver Phase. Connect RXP to GND, or leave uncon-
nected for normal receiver phase/polarity. Connect to
V
Positive Supply 4.75V ≤ V
Not Connected. Not internally connected.
INPUT
CC
Open/shorted
DI
1
0
to invert the receiver phase/polarity.
INPUTS
≥ -0.05V
≤ -0.2V
A - B
Pin Description (continued)
TRANSMITTING
RECEIVING
FUNCTION
Z
0
1
CC
Function Tables
≤ 5.25V
OUTPUTS
OUTPUT
RO
1
0
1
Y
1
0
11