CDB6422 查看數據表（PDF） - Cirrus Logic

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CDB6422

Enhanced Full-Duplex Speakerphone IC

Cirrus Logic 

CS6422

ferrite bead

+ 0.1 µF 16 DVDD

10 µF

15 DGND

Network

Line Out

3300 pF

12.1 kΩ

4 NO

0.47 µF

Network

Line In

6.04 kΩ

3300 pF

17 NI

CS6422

+5V Analog

AVDD

AGND

1 0.1 µF

2

+

10 µF

19

MB

0.1 µF +10 µF

APO 18

Mic Bias

0.022 µ F

API 20 0.47 µF

From

Microcontroller

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

Speaker

Driver

Figure 4. Typical Connection Diagram (Microphone Preamplifier Enabled)

ferrite bead

+ 0.1 µF 16 DVDD

10 µF

15 DGND

Network

Line Out

3300 pF

12.1 kΩ

4 NO

0.47 µF

Network

Line In

6.04 kΩ

3300 pF

17 NI

CS6422

+5V Analog

AVDD

AGND

1 0.1 µF

2

+

10 µF

API 20

0.47 µF

APO 18

6.04 kΩ

0.47 µF

19

MB

3300 pF

0.1 µF +10 µF

External Mic

Preamp

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

Speaker

Driver

Figure 5. Typical Connection Diagram (Microphone Preamplifier Disabled)

DS295F1

9

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