MC145484 Просмотр технического описания (PDF) - Motorola => Freescale

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MC145484

5V PCM Codec-Filter

Motorola => Freescale 

0.1 µF

–

AUDIO OUT +

+5V

0.1 µF

1 VAG Ref

20 k

2 RO–

20

VAG

TI+ 19

10 kΩ

0.01 µF

10 kΩ 1.0 µF

20 k

3 PI

4 PO–

5 PO+

TI– 18

TG 17

Mu/A 16

10 kΩ

+5V

10 kΩ

1.0 µF

6 VDD

7 FSR

VSS 15

FST 14

8 kHz

8 DR

DT 13

PCM OUT

9 BCLKR

BCLKT 12

2.048 MHz

10 PDI

MCLK 11

PCM IN

Figure 7. MC145484 Test Circuit — Signals Referenced to VAG Pin

ANALOG IN

Y

AUDIO OUT

RL ≥ 2 kΩ

AUDIO OUT

RL ≥ 150 Ω

0.1 µF

20 k

68 µF

20 k

+

10 kΩ

+5V

0.1 µF

1 VAG Ref

2 RO–

3 PI

4 PO–

5 PO+

6 VDD

7 FSR

8 DR

9 BCLKR

10 PDI

20

VAG

TI+ 19

TI– 18

TG 17

Mu/A 16

VSS 15

FST 14

DT 13

BCLKT 12

MCLK 11

10 kΩ

10 kΩ

+5V

0.01 µF

10 kΩ 1.0 µF

10 kΩ

ANALOG IN

1.0 µF

Y

8 kHz

PCM OUT

2.048 MHz

PCM IN

Figure 8. MC145484 Test Circuit — Signals Referenced to VSS

MOTOROLA

MC145484

19

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