CDB6420 Просмотр технического описания (PDF) - Cirrus Logic

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CDB6420

Full-Duplex Speakerphone Chip

Cirrus Logic 

CS6420

ferrite bead

+ 0.1 µF 16 DVDD

1 µF

15 DGND

Telephone

Line Out

3300 pF

12.1 kΩ

4 NO

0.47 µF

Telephone

Line In

6.04 kΩ

3300 pF

17 NI

+5V Analog

AVDD

AGND

1 0.1 µF

2

+

1 µF

19

MB

0.1 µF +10 µF

APO 18

0.022 µF

10 kΩ

API 20 0.47 µF

From

Microprocessor

8 DATA

7 STROBE

6 DRDY

5 RST

12.1 kΩ

AO 3

3300pF

NC4 NC3 NC2 NC1 CLKI

CLKO

12 11 10 9 14

13

20.480 MHz

22pF

22pF

+5V Analog

1.5 kΩ

Figure 2. Typical Connection Diagram (Microphone Preamplifier Enabled)

ferrite bead

+ 0.1 µF 16 DVDD

1 µF

15 DGND

Telephone

Line Out

3300 pF

12.1 kΩ

4 NO

0.47 µF

Telephone

Line In

6.04 kΩ

3300 pF

17 NI

+5V Analog

AVDD

AGND

1 0.1 µF

2

+

1 µF

API 20

0.47 µF

APO 18

6.04 kΩ

0.47 µF

3300 pF

near-end

input

19

MB

0.1 µF +10 µF

From

Microprocessor

8 DATA

7 STROBE

6 DRDY

5 RST

12.1 kΩ

AO 3

3300pF

NC4 NC3 NC2 NC1 CLKI

CLKO

12 11 10

9 14

13

20.480 MHz

22pF

22pF

Figure 3. Typical Connection Diagram (Microphone Preamplifier Disabled)

DS205PP2

7

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