MAX3097ECSE データシートの表示（PDF） - Maxim Integrated

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MAX3097ECSE

±15kV ESD-Protected, 32Mbps, 3V/5V, Triple RS-422/RS-485 Receivers with Fault Detection

Maxim Integrated 

±15kV ESD-Protected, 32Mbps, 3V/5V,

Triple RS-422/RS-485 Receivers with Fault Detection

Table 1. MAX3097E Alarm Function Table (Each Receiver)

INPUTS

OUTPUTS

VID

(DIFFERENTIAL

INPUT VOLTAGE)

COMMON-MODE

VOLTAGE

OUT_

ALARM_

ALARMD

t ≥ DELAY

(NOTE 1)

≥0.475V

<0.475V and ≥0.275V

1

0

0

1

Indeterminate Indeterminate

<0.275V and ≥0.2V

1

1

1

≤0.2V and ≥-0.2V

≤-0.2V and >-0.275V

≤-0.275V and

>-0.475V

≤-0.475V

X

≤13.2V and ≥-10V

<-10V or >+13.2V

Indeterminate

(Note 2)

0

0

0

Indeterminate

(Note 3)

1

1

Indeterminate

0

1

1

1

Indeterminate

0

1

X = Don’t care

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.

FAULT CONDITION

Normal Operation

Indeterminate

Low Input Differential Voltage

Low Input Differential Voltage

Low Input Differential Voltage

Indeterminate

Outside Common-Mode

Voltage Range

Table 2. MAX3098EA Alarm Function Table (Each Receiver)

INPUTS

VID

(DIFFERENTIAL

INPUT VOLTAGE)

COMMON-MODE

VOLTAGE

≥0.2V

<0.2V and ≥0.12V

<0.12V and ≥ -0.12V

≤13.2V and ≥-

10V

≤-0.12V and ≥ -0.2V

≤-0.2V

OUT_

1

Indeterminate

Indeterminate

(Note 2)

Indeterminate

0

OUTPUTS

ALARM_

0

Indeterminate

1

Indeterminate

0

ALARMD

t ≥ DELAY

(NOTE 1)

0

Indeterminate

1

Indeterminate

0

FAULT CONDITION

Normal Operation

Indeterminate

Low Input Differential Voltage

Indeterminate

Normal Operation

X

<-10V or

>+13.2V

Indeterminate

(Note 3)

1

Outside Common-Mode Voltage

1

Range

X = Don’t care; for B-grade functionality, replace VID input values in Table 2 with B-grade parameters from Electrical Characteristics.

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.

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