TDA9887 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

TDA9887

I2C-bus controlled multistandard alignment-free IF-PLL demodulator with FM radio

Philips Electronics 

This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in

_white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in

white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ...

CVAGC(pos)

TOP TAGC

9 (8) 14 (15)

VAGC

16 (17)

CAGC(neg)

CBL

TUNER AGC

VIF-AGC

VIF-PLL

filter

VPLL

19 (21)

RC VCO

external reference signal

or 4 MHz crystal

REF

15 (16)

AFC

21 (23)

DIGITAL VCO CONTROL AFC DETECTOR

VIF2 2 (31)

VIF1 1 (30)

SIF2 24 (27)

SIF1 23 (26)

SUPPLY

VIF-PLL

TDA9887

SINGLE REFERENCE QSS MIXER

INTERCARRIER MIXER

AND AM DEMODULATOR

MAD

SIF-AGC

OUTPUT

PORTS

CAGC

I2C-BUS TRANSCEIVER

SOUND CARRIER

TRAPS

4.5 to 6.5 MHz

(18) 17 CVBS

video output: 2 V (p-p)

[1.1 V (p-p) without trap]

AUDIO PROCESSING

AND SWITCHES

(7) 8 AUD

audio output

(3) 5 DEEM

de-emphasis

network

(4) 6 AFD

NARROW-BAND

CAF

FM-PLL DEMODULATOR

20 (22)

VP

18 (20)

AGND

(6, 12, 13, 19,

25, 28, 29, 32)

n.c.

3 (1) 22 (24) 11 (10) 10 (9) 7 (5) 12 (11)

OP1 OP2 SCL SDA DGND SIOMAD

13 (14)

FMIN

sound intercarrier output

and MAD select

4 (2)

FMPLL

mhc143

FM-PLL

filter

Pin numbers for TDA9887HN in parenthesis.

Fig.1 Block diagram.

Share Link: