Datasheet
MAX3097E/MAX3098E
±15kV ESD-Protected, 32Mbps, 3V/5V,
Triple RS-422/RS-485 Receivers with Fault Detection
_______________________________________________________________________________________ 5
CH 3
CH 2
GND
CH 1
COMMON-MODE VOLTAGE FAULT
(HIGH SIDE)
MAX3097E/8E toc07a
2ms/div
CH1: V
A
+ AC(60Hz), 10V/div
CH2: V
OUTA
, 5V/div
CH3: V
ALARMA
, 5V/div
V
CC
=
3V
GND
GND
COMMON-MODE VOLTAGE FAULT
(LOW SIDE)
MAX3097E/8E toc07b
CH 3
CH 2
GND
CH 1
2ms/div
CH1: V
A
+ AC(60Hz), 10V/div
CH2: V
OUTA
, 5V/div
CH3: V
ALARMA
, 5V/div
V
CC
=
3V
GND
GND
Typical Operating Characteristics (continued)
(Typical values are at V
CC
= +5V and T
A
= +25°C.)
MAX3097E
LOW DIFFERENTIAL INPUT FAULT
MAX3097E/8E toc08
CH 2 GND
GND
CH 1
100µs/div
CH1: V
A
, 200mV/div
CH2: V
ALARMA
, 5V/div
V
A
=
GND
SLEW-RATE FAULT
MAX3097E/8E toc09
CH 2 GND
GND
CH 1
CH1: V
A
, 5V/div
CH2: V
ALARMA
, 5V/div
SLEW RATE = 0.05V/µs
V
A
=
GND
-8
-4
4
0
8
12
-10 0-5 5 10
FAULT-DETECTION RECEIVER DIFFERENTIAL
THRESHOLD VOLTAGE SHIFT vs.
COMMON-MODE VOLTAGE
MAX3097E/8E toc10
COMMON-MODE VOLTAGE (V)
THRESHOLD SHIFT (mV)
MAX3097E
MAX3098E