A1 Summary Tables Of Test Points And Connectors - National Semiconductor ADC122S101 User Manual

A1 Summary Tables of Test Points and Connectors

P1 Connector - Power Supply Connections
Pin Iput Voltage
P1-1 +5.5V to +5.7V
P1-2 GND
LA1 - Logic Analyzer Header
Pin Function
1 Ground
3 ADC Serial Data Output
5 ADC Chip Select (active low)
7 ADC serial Clock
9 ADC Serial Data Input
2 Ground
4 Ground
6 Ground
8 Ground
10 Ground
JP1 - Input 1 Select
Jumper Function
none Input 1 not connected to DUT
1 - 2 Input 1 a.c. coupled
3 - 4 Input 1 path grounded
5 - 6 Input 1 d.c. coupled
JP2 - Input 1 Channel Select
Jumper Function
none Input 1 NOT connected to DUT
1 - 2 Input 1 connected to IN1
3 - 4 Input 1 connected to IN2
5 - 6 Input 1 connected to IN3 (ADCxx4Sxx1 only)
7 - 8 Input 1 connected to IN4 (ADCxx4Sxx1 only)
JP3 - Input 2 Select
Jumper Function
none Input 2 not connected to DUT
1 - 2 Input 2 a.c. coupled
3 - 4 Input 2 path grounded
5 - 6 Input 2 d.c. coupled
APPENDIX
Function
Positive Power Supply
Power Supply Ground
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