TDA5250D2_07 Datasheet, PDF (13/94 Pages) Infineon Technologies AG – ASK/FSK 868MHz Wireless Transceiver

5
RXTX
TDA5250 D2
Version 1.7
Functional Description
RX/TX-mode switch input/output
350
5
TX
6
LNI
RF input to differential Low Noise
Amplifier (LNA))
5k
1.1V ^5k
6
7
7
VCC
8
BUSMODE
180
PWDN
180
PWDN
see Pin 6
Analog supply (antiparallel diodes
between VCC, VCC1, VDD
Bus mode selection (I²C/3 wire bus
mode selection)
30
8
18
9
GNDPA
10
PA
10
see Pin 8
10 Ω
9
Ground return for PA output stage
PA output stage
11
VCC1
9
GndPA
see Pin 1
Supply for LNA and PA
Data Sheet
13
2007-02-26