MultiCam Boards Documentation > GRABLINK series Documentation > GRABLINK Quickpack CFA Handbook > Connector Specifications > System Connectors > ISOA1, ISOA2 Isolated Input/Output Ports > Isolated I/O Characteristics

Isolated I/O Characteristics

Recommended operating conditions

Parameter

Condition

Min

Typ

Max

Unit

Input voltage range

State U

VIGND

 

VI5V

V

State D

VIGND

 

4 x VI5V

V

Output current range

State H

 

 

-8 (*)

mA

State L

 

 

16

mA

(*) The negative sign indicates a current is leaving the ISOXn output.

Limiting values

Parameter

Test Condition

Min

Max

Unit

Voltage range

States U, D

VIGND - 0.5

VIGND + 30

V

State H

(*)

VIGND + 30

V

State L

VIGND - 0.5

(*)

 

I/O current

Any state

 

+/-20

mA

Isolation Voltage |VIGND - VGND|

Frequency = 50/60 Hz

 

500

VacRMS

(*) The tolerated voltage is determined by the IO current limit.

DC specifications

Parameter

Test Condition (*)

Min

Typ

Max

Unit

Positive going threshold

States U, H, L

 

2.4

 

V

State D

 

9.4

 

V

Negative going threshold

States U, H, L

 

1.4

 

V

State D

 

5.5

 

V

State U

 

3

 

State D

 

2

 

Output voltage

State H; IOut = -8 mA

3.5

 

 

V

State L; IOut = 16 mA

 

 

0.10

V

(*) VI5V - VIGND = 4.5 V

AC specifications

Parameter

Test Condition

Min

Typ

Max

Unit

Input pulse width

 

1

 

 

μs

Output pulse width

 

50

 

 

μs

Propagation delay from input1

 

 

0.5

1.0

μs

Propagation delay to output

 

 

15

 

μs

Don't include the delay introduced in the digital domain such as input digital filters.