PMA51XX Datasheet, PDF (18/202 Pages) Infineon Technologies AG – RF Transmitter ASK/FSK 315/434/868/915 MHz, Embedded 8051 Microcontroller, 10-bit ADC

Table 3 Pin Description (cont’d)
Pin Name
No.
Pin Buffer Type
Type
3
VM1_sens
GND Supply
VDDA
PMA51xx
Product Description
Function
Channel 6, High-gain ADC Input
Sensor bridge negative supply.
Same voltage as chip GND.
VM1
4
V1P_sens
AI Analog
5
GNDB
V1P
GND Supply
PGND
GNDA
VDDA
500
2k
GNDA
Channel 6, High-gain ADC Input
Positive input connect to sensor
bridge.
Output of wheatstone bridge sensor
Ground
GNDB
6
GNDA
XGND
GND Supply
PGND
Ground
GNDA
Data Sheet
XGND
18
Revision 2.1, 2010-06-02