MC145073DW 查看數據表（PDF） - Motorola => Freescale

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MC145073DW

Dual 16-Bit Stereo Audio Sigma-Delta ADC

Motorola => Freescale 

VDD(A)

VDD(D)

47 µF 0.1 µF

1 µF

*AIN(+L)

*AIN(–L)

33

4

5

1

1000 pF

AIN (+L) VDD(A) VSS(A)

33

2

1000 pF

AIN (–L)

8

7

VDD(D) VSS(D)

SCLK 12

SYNC 11

SDO 13

FSEL 19

*AIN(+R)

*AIN(–R)

33

1000 pF 24 AIN (+R)

33

1000 pF 23 AIN (–R)

CSEL0 21

CSEL1 20

1 µF 0.1 µF 1 µF 0.1 µF

22 VAG

3 REF SUB

6

IDOE ISLAV ISYNC IJUST FTP

15 17 18 16 9

CLK 14

FTP

10

AUDIO

DATA

PROCESSOR

CONTROLLER

MC74HCU04

820 kΩ

USER SELECTABLE

DIGITAL STATES

22 pF

11.2896 MHz

FOR 44.1 kHZ

22 pF

Figure 2. MC145073 A/D Application Circuit

* For best performance AIN(+L), AIN(–L) and AIN(+R), AIN(–R) should be differentially driven. AIN(+L) or AIN(+R) (and

AIN(–L) or AIN(–R)) can be grounded for single ended configuration. Circuit in Figure 1 depicts input buffer circuit.

MOTOROLA

MC145073

5

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