Datasheet

MAX3097E/MAX3098E
±15kV ESD-Protected, 32Mbps, 3V/5V,
Triple RS-422/RS-485 Receivers with Fault Detection
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Note 1: ALARMD indicates fault for any receiver.
Note 2: Receiver output may oscillate with this differential input condition.
Note 3: See Applications Information for conditions leading to input range fault condition.
X = Don’t care
INPUTS OUTPUTS
V
ID
(DIFFERENTIAL
INPUT VOLTAGE)
COMMON-MODE
VOLTAGE
OUT_ ALARM_
ALARMD
t ≥ DELAY
(NOTE 1)
FAULT CONDITION
≥0.475V 1 0 0 Normal Operation
<0.475V and ≥0.275V 1 Indeterminate Indeterminate Indeterminate
<0.275V and ≥0.2V 1 1 1 Low Input Differential Voltage
≤0.2V and ≥-0.2V
Indeterminate
(Note 2)
1 1 Low Input Differential Voltage
≤-0.2V and >-0.275V 0 1 1 Low Input Differential Voltage
≤-0.275V and
>-0.475V
0 Indeterminate Indeterminate
≤-0.475V
≤13.2V and ≥-10V
000
Indeterminate
X <-10V or >+13.2V
Indeterminate
(Note 3)
11
Outside Common-Mode
Voltage Range
INPUTS OUTPUTS
V
ID
(DIFFERENTIAL
INPUT VOLTAGE)
COMMON-MODE
VOLTAGE
OUT_ ALARM_
ALARMD
t ≥ DELAY
(NOTE 1)
FAULT CONDITION
≥0.2V 1 0 0 Normal Operation
<0.2V and ≥0.12V
Indeterminate
Indeterminate Indeterminate Indeterminate
<0.12V and ≥ - 0.12V
Indeterminate
(Note 2)
1 1 Low Input Differential Voltage
≤-0.12V and ≥ -0.2V
Indeterminate
Indeterminate Indeterminate Indeterminate
≤-0.2V
≤13.2V and ≥-
10V
0 0 0 Normal Operation
X
<-10V or
>+13.2V
Indeterminate
(Note 3)
11
Outside Common-Mode Voltage
Range
Table 1. MAX3097E Alarm Function Table (Each Receiver)
Table 2. MAX3098EA Alarm Function Table (Each Receiver)
Note 1: ALARMD indicates fault for any receiver.
Note 2: Receiver output may oscillate with this differential input condition.
Note 3: See Applications Information for conditions leading to input range fault condition.
X = Don’t care; for B-grade functionality, replace V
ID
input values in Table 2 with B-grade parameters from Electrical Characteristics.