UDA1338H 데이터 시트보기 (PDF) - Philips Electronics

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UDA1338H

Multichannel audio coder-decoder

Philips Electronics 

Philips Semiconductors

Multichannel audio coder-decoder

6 BLOCK DIAGRAM

Preliminary specification

UDA1338H

handbook, full pagewidth

2

VINL1

VDDA(AD) VSSA(AD) VADCP VADCN Vref

5

PGA ADC 1L

3

9

7

1

ADC 1R PGA

4 VINR1

6

VINL2

PGA ADC 2L

ADC 2R PGA

8 VINR2

10

VVOICE

DATAV 16

17

BCKV

18

WSV

21

MCCLK

20

MCMODE

22

MCDATA

30

I2C_L3

VOUT1N 32

VOUT1P 31

VOUT3N 36

VOUT3P 35

VOUT5N 42

VOUT5P 41

LNA

ADC

DECIMATION FILTER

TEST

11 TEST

DECIMATION

FILTER

HP FILTER

I2S-BUS

INTERFACE 3

PLL

L3-BUS OR

I2C-BUS

CONTROL

INTERFACE

DC-CANCELLATION FILTER

I2S-BUS

INTERFACE 1

I2S-BUS

INTERFACE 2

VOLUME, MUTE, DE-EMPHASIS

CLOCK

PLL

19 SYSCLK

13 DATAAD1

12 DATAAD2

14 BCKAD

15 WSAD

23

WSDA

24 BCKDA

25 DATADA1

26 DATADA2

27 DATADA3

UDA1338H

INTERPOLATION FILTER

NOISE SHAPER

DAC 1

DAC 2

DAC 3

DAC 4

DAC 5

37

VDDA(DA)

40

VSSA(DA)

DAC 6

29 VDDD

28

VSSD

−

34 VOUT2N

+

33 VOUT2P

−

39 VOUT4N

+

38 VOUT4P

−

44 VOUT6N

+

43 VOUT6P

MGU581

2002 Nov 21

Fig.1 Block diagram.

5

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