CDB53L21 查看數據表（PDF） - Cirrus Logic

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CDB53L21

Low Power, Stereo Analog to Digital Converter

Cirrus Logic 

+1.8V or +2.5V

1 µF

0.1 µF

0.1 µF

47 kΩ

VD

VA

VA_

PULLUP

CS53L21

See Note 4 +1.8V or +2.5V

Note 4:

Series resistance in the path of the power supplies

(typically used for added filtering) must be avoided.

CS53L21

TSTN

Digital Audio

Processor

VL or DGND (1)

MCLK

SCLK

LRCK

SDOUT/

M/S

RESET

I²S/LJ

MCLKDIV2

AIN1A

Left Analog Input 1

1800 pF * 1 µF 100 Ω 100 kΩ

1800 pF *

AIN1B

100 Ω

1 µF

100 kΩ

Right Analog Input 1

FILT+

+1.8V, 2.5 V

or +3.3V

VL

0.1 µF

(1) Pull-up to VL (47 kΩ ≤for Master Mode.

Pull-down to DGND for Slave Mode.

DGND

AGND

AFILTA

AFILTB

VQ

*

*

150 pF 150 pF

10 µF

1 µF

* Capacitors must be C0G or equivalent

Figure 2. Typical Connection Diagram (Hardware Mode)

10

DS700PP1

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