MC145480DW Просмотр технического описания (PDF) - Motorola => Freescale

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MC145480DW

5V PCM Codec-Filter

Motorola => Freescale 

1.0 µF

10 kΩ

R0 = 600 Ω TIP

N=1

RING

N=1

10 kΩ

R0

10 kΩ

+5V

0.1 µF

1 RO+

2 RO–

3 PI

4 PO–

5 PO+

6 VDD

7 FSR

8 DR

9 BCLKR

10 PDI

VAG 20

TI+ 19

TI– 18

TG 17

10 kΩ

Mu/A 16

+5V

VSS 15

FST 14

DT 13

BCLKT 12

MCLK 11

0.1 µF

FSC – 8 kHz

Dout

DCL – 4.096 MHz

Din

B1 – 0 V

B2 – + 5 V

Figure 11. MC145480 Transformer Interface to 600 Ω Telephone Line with GCI Clocking

R0 = 600 Ω TIP

N = 0.5

– 48 V

N = 0.5

RING

1.0 µF

10 kΩ

10 kΩ

1/4 R0 10 kΩ

N = 0.5

+5V

0.1 µF

1 RO+

2 RO–

3 PI

4 PO–

5 PO+

6 VDD

7 FSR

8 DR

9 BCLKR

10 PDI

20

VAG

19

TI+

18

TI–

17

TG

20 kΩ

Mu/A 16

+5V

15

VSS

14

FST

13

DT

12

BCLKT

11

MCLK

0.1 µF

8 kHz

PCM OUT

2.048 MHz

PCM IN

Figure 12. MC145480 Step–Up Transformer Interface to 600 Ω Telephone Line

MC145480

20

MOTOROLA

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