TDA1548T データシートの表示（PDF） - Philips Electronics

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TDA1548T

Bitstream continuous calibration filter-DAC with headphone driver and DSP

Philips Electronics 

Philips Semiconductors

Bitstream continuous calibration filter-DAC

with headphone driver and DSP

Product specification

TDA1548T

PINNING

SYMBOL PIN

DESCRIPTION

VSSO

VCOM

VOL

1 operational amplifier ground

2 common output pin

3 left channel audio voltage output

FILTCL

4 capacitor for left channel first-order

filter function should be connected

between this pin and VOL (pin 3)

MODE0

5 mode 0 selection pin

MODE1

6 mode 1 selection pin

BCK

7 bit clock input

WS

8 word select input

DATA

9 data input

VDDD

VSSD

SYSCLK

IF1

10 digital supply voltage

11 digital ground

12 system clock 64fs, 256fs or 384fs

13 input format selection 1

IF2

14 input format selection 2

DEEM

15 de-emphasis input (fs = 44.1 kHz)

(active HIGH)

MUTE

16 soft-mute input (active HIGH)

CLSEL

17 system clock selection input

ADref

18 reference voltage output to

external potentiometer

ADTR

19 analog sense input for treble

setting

ADBB

20 analog sense input for bass boost

setting

ADVC

21 analog sense input for volume

control setting

AD3S

22 3-position switch input for

flat/min/max setting

VDDA

VSSA

Vref

FILTCR

23 analog supply voltage

24 analog ground

25 internal reference voltage

(0.5VDDA typ)

26 capacitor for right channel

first-order filter function should be

connected between this pin and

VOR (pin 27)

VOR

27 right channel audio voltage output

VDDO

28 operational amplifier supply

voltage

handbook, halfpage

VSSO 1

VCOM 2

VOL 3

28 VDDO

27 VOR

26 FILTCR

FILTCL 4

MODE0 5

MODE1 6

BCK 7

WS 8

25 Vref

24 VSSA

23 VDDA

22 AD3S

TDA1548T

21 ADVC

DATA 9

20 ADBB

VDDD 10

VSSD 11

SYSCLK 12

19 ADTR

18 ADref

17 CLSEL

IF1 13

16 MUTE

IF2 14

15 DEEM

MGC669

Fig.2 Pin configuration.

1995 Nov 15

5

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