TDA7255V 데이터 시트보기 (PDF) - Infineon Technologies

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TDA7255V

ASK/FSK 434 MHz Wireless Transceiver

Infineon Technologies 

2.2

Pin Definitions and Functions

Table 1 Pin Definition and Function

Ball Name

No.

Pin Buffer Type

Type

1 ASKFSK

350

1

TDA7255V

Functional Description

Function

ASK/FSK-Mode Switch Input

High = ASK

Low = FSK

2 RXTX

3 LNI

4 LNIX

5 GND-PA

350

2

RX/TX-Mode Switch

Input/Output

High = RX

Low = TX

TX

RF Input to Differential Low

Noise Amplifier (LNA)

5k

1.1V 5k

3

4

180

PWDN

180

PWDN

See Pin 3

26

and also 13, 40

Complementary RF Input to

Differential LNA

Ground Return for Power

28

Amplifier (PA) Driver Stage

15

5

Data Sheet

9

Revision 1.1, 2010-11-10

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