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TDK5111

ASK/FSK Transmitter 315 MHz

Infineon Technologies 

3.1 Pin Configuration

TDK 5111

Functional Description

PDWN 1

16 CSEL

LPD 2

15 FSEL

VS 3

14 PAOUT

LF 4

GND 5

TDK 5111

13 PAGND

12 FSKGND

ASKDTA 6

11 FSKOUT

FSKDTA 7

10 COSC

CLKOUT 8

9 CLKDIV

Figure 3-1 IC Pin Configuration

Pin_config.wmf

Table 3-1

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Symbol

PDWN

LPD

VS

LF

GND

ASKDTA

FSKDTA

CLKOUT

CLKDIV

COSC

FSKOUT

FSKGND

PAGND

PAOUT

FSEL

CSEL

Function

Power Down Mode Control

Low Power Detect Output

Voltage Supply

Loop Filter

Ground

Amplitude Shift Keying Data Input

Frequency Shift Keying Data Input

Clock Driver Output

Clock Divider Control

Crystal Oscillator Input

Frequency Shift Keying Switch Output

Frequency Shift Keying Ground

Power Amplifier Ground

Power Amplifier Output

Frequency Range Selection: Has to be shorted to

ground for 315 MHz operation

Crystal Frequency Selection: Has to be left open

Wireless Components

3-2

Specification, October 2002

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