CS3301A datasheet(12/16 Pages) CIRRUS

12 / 16 page

CS3301A

DS757F1

2.4

Connection Diagram

Figure 5 on page 12 shows a connection diagram

for the CS3301A amplifier when used with the

CS5372A dual

∆Σ modulator, the CS4373A Test

DAC, and the CS5376A digital filter. The diagram

shows differential sensors and test DAC inputs, and

analog outputs with anti-alias RC components;

power supply connections including recommended

bypassing; and digital control connections back to

the CS5376A GPIO pins.

0.02

µF

C0G

0.02

µF

C0G

0.02

µF

C0G

0.02

µF

C0G

CS5372A

∆Σ Modulator

INF+

INR+

INF-

INR-

INF-

INR-

INF+

INR+

VREF+

VREF-

VA+

VA-

GND

MDATA1

MFLAG1

MDATA2

MFLAG2

MCLK

MSYNC

PWDN1

OFST

PWDN2

CS3301A

Differential

Amplifier

INB+

INA+

INA-

INB-

OUTF-

OUTR-

OUTF+

OUTR+

VA+

VA-

GND

CLK

GAIN

MUX

PWDN

CS3301A

Differential

Amplifier

INB+

INA+

INA-

INB-

OUTF-

OUTR-

OUTF+

OUTR+

VA+

VA-

GND

CLK

GAIN

MUX

PWDN

VA-

0.1

µF

VA+

0.1

µF

VA-

0.1

µF

VA+

0.1

µF

0.01

µF

0.01

µF

MCLK

GPIO

GPIO (x2)

GPIO (x3)

MCLK

GPIO

GPIO (x2)

GPIO (x3)

Differential

Sensor

Differential

Sensor

CS4373A

Test DAC

To CS5376A

Digital Control

To CS5376A

Digital Control

2.5 V

Reference

VA+

0.1

µF

0.01

µF

VA-

0.1

µF

680

Figure 5. CS3301A Amplifier Connections

CS3301A Datasheet(PDF) 12 Page - Cirrus Logic

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