TEA6823 Просмотр технического описания (PDF) - Philips Electronics

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TEA6823

In Car Entertainment (ICE) car radio

Philips Electronics 

Philips Semiconductors

In Car Entertainment (ICE) car radio

Preliminary specification

TEA6823T; TEA6825T

PINNING

SYMBOL

QDET1

QDET2

TSWITCH

AGND

VDDA1

HFBUS1

HFBUS2

XTAL1

XTAL2

fref(p)

fref(n)

Iref

FMIF1IN1

FMIF1IN2

TSDR

TSDS

VSDS

VSDR

FMIF2OUT1

FMIF2OUT2

Vref

AMIF2OUT1

AMIF2OUT2

FMAMDEC

PHASEDET

PILDET

FMAM10.7

VDDA2

PIN

DESCRIPTION

1 demodulator tank 1

2 demodulator tank 2

3 time switch input

4 analog ground

5 analog supply voltage 1 (+5 V)

6 HF bus 1 output;

pull-up to +5 V

7 HF bus 2 output;

pull-up to +5 V

8 crystal oscillator 1

9 crystal oscillator 2

10 PLL reference frequency

output (p)

11 PLL reference frequency

output (n)

12 reference current

13 72 MHz FM-IF input 1

14 72 MHz FM-IF input 2

15 time constant for SDR

16 time constant for SDS

17 SDS control voltage input

18 SDR control voltage input

19 FM mixer output 1

20 FM mixer output 2

21 reference voltage output

22 AM mixer output 1

23 AM mixer output 2

24 FM/AM 10.7 MHz decoupling

25 phase detector output

26 pilot detector output

27 FM/AM 10.7 MHz input

28 analog supply voltage 2

SYMBOL PIN

DESCRIPTION

FMIFAMPOUT 29 FM-IF amplifier output

AFGND

30 AF ground

DEEMPHR

31 de-emphasis capacitor right

DEEMPHL

32 de-emphasis capacitor left

AMIF2IN1

AMIF2IN2

FMIN2

33 AM-IF2 input 1

34 AM-IF2 input 2

35 FM limiter input

DCFEED

36 DC feed FM limiter

FMIN1

37 FM limiter input

LEVELADJ

38 level adjustment input

CAFC

MPBUF

39 AFC capacitor

40 multi-path buffer time constant

OUTLEFT

41 AF output left

FMSTOP

42 FMSTOP adjustment input

RDS/AMSTOP 43 MPX for RDS/AMSTOP

adjustment input

OUTRIGHT

44 AF output right

MPXIN

45 stereo decoder MPX input

THRES

46 threshold

MPXOUT

47 FM demodulator MPX output

AMAFOUT

48 AM demodulator AF output

Vmute/AML

49 mute voltage/AM level

LEVELUNWEIG 50 unweighted level output

IACCONTR

VDDD

SDA

51 IAC control voltage

52 digital supply voltage

53 serial data input/output;

pull-up to +5 V

SCL

54 serial clock input;

pull-up to +5 V

DGND

55 digital ground

VDDA3

56 analog supply voltage 3

(+8.5 V)

1998 Mar 24

5

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