TDA7546 datasheet(9/68 Pages) STMICROELECTRONICS

部件名	TDA7546

功能描述	Multichip module for TMC tuner applications

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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TDA7546

Pin description

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2

Pin description

Table 1.

Pin configuration

TDA7546

FM Tuner

RDS Decoder

Name

Function

TDA7512F

TDA7333N

1

Not Connected

2

6

PINDR

PIN Diode Driver Output

3

7

MIX1IN1

Input1 Mixer1

4

8

GNDRF

RF Ground

5

9

MIX1IN2

Input2 Mixer1

6

10

AGCTC

AGC Time Constant

7

11

TV1

Tuning Voltage Preselection 1

8

12

TV2

Tuning Voltage Preselection 2

9

13

ADJCH

Adjacent Channel Detector Output

10

14

FSU

Unweighted Field Strength Output

11

15

ISSTC

Time Constant for ISS Ffilter Switch

12

Not Connected

13

Not Connected

14

16

VCCVCO

VCO Supply

15

17

GNDVCO

VCO Ground

16

18

VCOB

VCO Input (base)

17

19

VCOE

VCO Output (emitter)

18

20

DEVTC

Deviation Detector Time Constant

19

21

XTALG

Crystal Oscillator Input (gate)

20

22

XTALD

Crystal Oscillator Output (drain)

21

23

GNDVCC3

VCC3 Ground

22

24

SSTOP

Search Stop Output

23

25

SDA

I2C Data

24

26

SCL

I2C Clock

25

27

VCC3

Tuning Section Supply

26

28

LPOUT

PLL Loop Filter Output

27

29

VREF2

PLL Loop Filter Reference

28

31

LPF

PLL Loop Filter Input

29

Not Connected

30

Not Connected

31

Not Connected

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