tda5255e1 Infineon Technologies Corporation, tda5255e1 Datasheet - Page 14

• Manufacturer Part Number: tda5255e1
• Description: Ask/fsk 434mhz Wireless Transceiver
• Manufacturer: Infineon Technologies Corporation

Confidential
Preliminary Specification
18
19
20
21
22
23
24
VSS
XOUT
XSWF
XIN
XSWA
XGND
EN
Vcc
125fF .....
250fF .....
24
150mA
4k
see Pin 20
see Pin 22
see Pin 8
4pF
8pF
Vcc-860mV
350
14
22
20
23
19
21
20
23
Ground for digital section
Crystal oscillator output, can also
be used as external reference
frequency input.
FSK modulation switch
ASK modulation/FSK center
frequency switch
Crystal oscillator ground return
3-wire bus enable input
Functional Description
TDA5255 E1
Version 1.1
2002-11-28