CDB53L21 Ver la hoja de datos (PDF) - Cirrus Logic

Número de pieza

componentes Descripción

Fabricante

CDB53L21

Low Power, Stereo Analog to Digital Converter

Cirrus Logic 

2. TYPICAL CONNECTION DIAGRAMS

CS53L21

+1.8 V or +2.5 V

1 µF

0.1 µF

VD

0.1 µF

47 kΩ

VA

VA_

PULLUP

See Note 4

1 µF

+1.8 V or +2.5 V

Note 4:

Series resistance in the path of the power supplies must

be avoided.

CS53L21

Digital Audio

Processor

2k Ω

+1.8 V, +2.5 V

or +3.3 V

See Note 1

Note 1:

Resistors are required for I²C

control port operation

2k Ω

0.1 µF

TSTN

MCLK

SCLK

LRCK

SDOUT

RESET

SCL/CCLK

SDA/CDIN

AD0/CS

VL

AIN1A

1800 pF * 1 µF 100 Ω

Left Analog Input 1

100 kΩ

AIN1B

1800 pF *

100 Ω

1 µF

AIN2A

1800 pF * 1 µF 100 Ω

100 kΩ

Right Analog Input 1

Left Analog Input 2

100 kΩ

AIN2B

BIAS1

1800 pF *

100 Ω

1 µF

MICIN1

AIN3A

1 µF

100 kΩ

100 kΩ

Right Analog Input 2

Microphone Input

BIAS2

AIN3B/MICIN2

0.1 µF

Microphone Bias

RL See Note 3

Note 3: The value of RL is dictated

by the microphone cartridge.

FILT+

DGND

AGND

AFILTA

AFILTB

VQ

*

*

150 pF

150 pF

10 µF

1 µF

* Capacitors must be C0G or equivalent

Figure 1. Typical Connection Diagram (Software Mode)

DS700PP1

9

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