TDA7703 datasheet(8/32 Pages) STMICROELECTRONICS

部件名	TDA7703

功能描述	Highly integrated tuner for AM/FM car radio

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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8 / 32 page

Block diagram and pin description

TDA7703

8/32

Rev 1

15

LNAIN2

AM LNA input 2nd stage

16

LNAOUT2

AM LNA output

17

LNADEC2

AM LNA decoupling 2nd stage

18

AMMIXIN

AM mixer input

19

VREF165

1.65 V reference voltage decoupling

20

VREFDEC

3.3 V reference voltage decoupling

21

GND-DIG

Digital GND

22

VCC-DIG

5 V supply for digital logic

23

VCCREG1V2

VCC of 1.2 V regulator

24

REG1V2

1.2 V regulator output

25

VDD-3V3

3.3 V VDD output / decoupling

26

SDA

I2C bus data

27

SCL

I2C bus clock

28

VDD-1V2

1.2 V DSP supply

29

BUSSET

Bus communication setup

30

RSTN

Reset pin (active low)

31

VDD-1V2

1.2 V DSP supply

32

GND-1V2

Digital GND for 1.2 V VDD

33

VCC-DAC

5 V supply of audio DAC

34

OSCOUT

Xtal osc output

35

OSCIN

Xtal osc input

36

GND-DAC

Audio DAC GND

37

DACOUTL

Audio output left

38

DACOUTR

Audio output right

39

GND-IFADC

IF ADC GND

40

VCC-IFADC

5 V supply of IF ADC

41

VCC-PLL

5 V supply of PLL

42

GND-PLL

PLL GND

43

VCC-VCO

5 V supply of VCO

44

GND-VCO

VCO GND

Table 2.

Pin description (continued)

Pin #

Pin name

Description

类似零件编号 - TDA7703

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STMicroelectronics	TDA7703R	229Kb / 32P	Highly integrated tuner for AM/FM car radio January 2010
STMicroelectronics	TDA7703RTR	229Kb / 32P	Highly integrated tuner for AM/FM car radio January 2010

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