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NXP Semiconductors

Economy audio CODEC for MiniDisc (MD) home stereo and portable applications

5

BLOCK DIAGRAM

V

DDA(ADC)

V

SSA(ADC)

V

DDD

V

SSD

3

1

10

11

VINL2

6

VINL1

2

PGA

ADC2

  • 0

    dB/6 dB

SWITCH

ADC1

ADC2

PGA

ADC1

UDA1341TS

DIGITAL AGC

DIGITAL MIXER

DATAO

18

BCK

16

WS

17

DATAI

19

DECIMATION FILTER

DIGITAL INTERFACE

QMUTE

23

DSP FEATURES

INTERPOLATION FILTER

NOISE SHAPER

V

ref

28

DAC

DAC

26

VOUTL

25

V

DDA(DAC)

Fig.1 Block diagram.

2002 May 16

5

Product specification

UDA1341TS

8

VINR2

0 dB/6 dB SWITCH

4

VINR1

V

ADCP

7

V

ADCN

5

22

AGCSTAT

20

TEST1

21

TEST2

9

OVERFL

13

L3MODE

14

L3CLOCK

15

L3DATA

12

SYSCLK

VOUTR

MGR427

L3-BUS INTERFACE

PEAK DETECTOR

24

27

V

SSA(DAC)

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