TEA5768HL Просмотр технического описания (PDF) - Philips Electronics

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производитель

TEA5768HL

Low-power FM stereo radio for handheld applications

Philips Electronics 

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R1

Igain 25

VCCA

22 nF

4.7 Ω

AGND 26

22 µF VCCA 27

47 nF

LIMDEC2

24

47 nF

LIMDEC1

23

47 nF

TIFC

22

GAIN

STABILIZATION

33 nF

Vref

21

MPXO

20

33 nF

TMUTE

19

VAFR

18

VAFL

17

POWER

SUPPLY

RESONANCE

AMPLIFIER

LIMITER

DEMODULATOR

SOFT

MUTE

SDS

FM antenna

100 pF

L1

I/Q-MIXER

1st FM

÷2

N1

RFI1 28

27 pF RFGND 29

47 pF

RFI2 30

TAGC 31

4.7 nF

LOOPSW 32

AGC

TUNING SYSTEM

IF CENTRE

FREQUENCY

ADJUST

LEVEL

ADC

programmable divider output

reference frequency divider output

IF

COUNTER

Iref

MPX

DECODER

TEA5768HL

MUX

SOFTWARE

PROGRAMMABLE

PORT

pilot

CRYSTAL

OSCILLATOR

16 PILFIL

1 nF

33 kΩ

22 nF

15

PHASEFIL

14 XTAL2

22 nF

Ccomp(1)

13 XTAL1 Cpull(1)

32.768 kHz

or

13 MHz

12 SWPORT2 10 kΩ

11 SWPORT1

10 kΩ

VCCA

VCO

I2C-BUS

mono

10 BUSENABLE

9 BUSMODE

10 nF

1

2

CPOUT VCOTANK1

3

4

VCOTANK2 VCC(VCO)

39 nF

D1

D2

10 kΩ

5

DGND

VCCD

12 Ω

6

VCCD

22 nF

7

8

DATA CLOCK

mhc275

L3

L2

100 kΩ

47 Ω

22 nF

The component list is given Chapter 14.

VCC(VCO)

(1) Ccomp and Cpull data depends on crystal specification.

Fig.1 Block diagram.

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