CDB5345(2004) Ver la hoja de datos (PDF) - Cirrus Logic

Número de pieza

componentes Descripción

Fabricante

CDB5345
(Rev.:2004)

105 dB, 24-Bit, 192 kHz Stereo Audio ADC

Cirrus Logic 

3. TYPICAL CONNECTION DIAGRAM

CS5345

+3.3V to +5V

10 µF 0.1 µF

0.1 µF 0.1 µF 10 µF

+3.3V to +5V

+1.8V

to +5V

+1.8V

to +5V

VD

0.1 µF VLS

VA

VA

PGAOUTA

Digital Audio

Capture

MCLK

SCLK

LRCK

SDOUT

Micro-

Controller

INT

OVFL

RESET

SCL/CCLK

SDA/CDOUT

AD1/CDIN

AD0/CS

2 kΩ

See Note 1

2 kΩ

0.1 µF

VLC

PGAOUTB

AIN1A

1800 pF * 10 µF 100 Ω

*

1800 pF

10 µF 100 Ω

AIN1B

AIN2A

1800 pF * 10 µF 100 Ω

*

1800 pF

10 µF 100 Ω

AIN2B

AIN3A

1800 pF * 10 µF 100 Ω

*

1800 pF

10 µF 100 Ω

AIN3B

AIN4A/MICIN1

1800 pF * 10 µF 100 Ω

*

1800 pF

10 µF 100 Ω

AIN4B/MICIN2

3.3 µF

3.3 µF

Left Analog Input 1

100 kΩ

100 kΩ

Right Analog Input 1

Left Analog Input 2

100 kΩ

100 kΩ

Right Analog Input 2

Left Analog Input 3

100 kΩ

100 kΩ

Right Analog Input 3

Left Analog Input 4

100 kΩ

100 kΩ

Right Analog Input 4

Note 1: Resistors are required

for I²C control port operation

Note 2 The value of RL is

dictated by the microphone

carteridge.

NC

NC

NC

NC

NC

TSTI

TSTO

TSTO

TSTO

10 µF 0.1 µF 47 µF 0.1 µF

VQ

FILT+

AGND

DGND

AIN5A

1800 pF * 10 µF 100 Ω

Left Analog Input 5

100 kΩ

* 10 µF

1800 pF

100 Ω

AIN5B

100 kΩ

Right Analog Input 5

AIN6A

1800 pF * 10 µF 100 Ω

Left Analog Input 6

100 kΩ

AIN6B

MICBIAS

AGND

AGND

AFILTA

AFILTB

*

1800 pF

10 µF 100 Ω

See Note 2

47 µF RL

100 kΩ

Right Analog Input 6

*

*

2.2nF 2.2nF

* Capacitors must be C0G or equivalent

Figure 7. Typical Connection Diagram

RL

20

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