SI8900-1 SILABS [Silicon Laboratories], SI8900-1 Datasheet - Page 23

• Manufacturer Part Number: SI8900-1
• Description: ISOLATED MONITORING ADC
• Manufacturer: SILABS [Silicon Laboratories]

7. Device Pin Assignments
GNDA
VDDA
VREF
AIN0
AIN1
AIN2
RST
Pin
NC
10
12
13
11
1
2
3
4
5
6
7
8
9
Si8900
AIN0
AIN1
AIN2
RST
Pin
NC
Rx
Tx
Si8900
VREF
NC
Si8901
GNDA
GNDB
VDDA
RSDA
VDDB
AIN0
AIN1
AIN2
RST
SDA
SCL
Pin
Si8902
VREF Si8900: ADC analog input channel 1.
SCLK Si8900: UART unidirectional receive input.
AIN0
AIN1
AIN2
RST
SDI
Pin
NC
EN
VDDB
NC
NC
Rx
Tx
NC
VDDB
GNDB
Figure 18. Si8900/1/2 Pinout (16SOW)
Table 6. Si8900/1/2 Pin Assignments
Input side VDD bias voltage (typically 3.3 V)
Si8900/1: External voltage reference input.
Si8902: Active low reset.
Si8900: ADC analog input channel 0.
Si8901: ADC analog input channel 0.
Si8902: No connection
Si8901: ADC analog input channel 1.
Si8902: External VREF in.
Si8900: ADC analog input channel 2.
Si8901: ADC analog input channel 2.
Si8902: ADC analog input channel 0.
Si8900: No Connection.
Si8901: Active low reset.
Si8902: ADC analog input channel 1.
Si8900: Active low reset.
Si8901: RSDA bias resistor (typically 5 k).
Si8902: ADC analog input channel 2.
Input side ground
Output side ground
Output side VDD bias voltage (2.7 V to 5.5 V)
Si8900/1: No connection. Si8902: SPI Port Enable.
Si8900: UART unidirectional transmit output.
Si8901: I
Si8902: SPI port Serial data in.
Si8901: I
Si8902: SPI port unidirectional serial clock input.
GNDA
VDDA
RSDA
VREF
RST
AIN0
AIN1
AIN2
2
2
C Bidirectional data input/output.
C port unidirectional serial clock input.
Si8901
Rev. 1.0
Description
VDDB
NC
NC
SCL
SDA
NC
VDDB
GNDB
GNDA
VDDA
VREF
AIN0
AIN1
AIN2
RST
NC
Si8900/1/2
Si8902
VDDB
NC
SDO
SCLK
SDI
EN
VDDB
GNDB
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