CS5374 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS5374

Dual High-performance Amplifier & ΔΣ Modulator

Cirrus Logic 

CS5374

DS862F1

CS5374

CS4373A

Test

DAC

680 Ω

680 Ω

680 Ω

0.02 μF

C0G

0.02 μF

C0G

680 Ω

VA+

0 .1 μF

VA-

0 .1 μF

Hydrophone

Sensor

VA+

0 .1 μF

VA-

0.1 μF

Hydrophone

Sensor

INA1+

INA1-

INB1+

INB1-

VA+

VA-

INB2+

INB2-

INA2+

INA2-

GUARD1

+

-

MUX1

-

+

+

-

MUX2

-

+

GUARD2

OUT1+

INR1-

OUT1-

INF1-

INF1+

INR1+ VA- VA+

Reset, Clock, and

Synchronization

RST

MCLK

MSYNC

CS5374

4th Order

ΔΣ Modulator

MDATA1

MFLAG1

4th Order

ΔΣ Modulator

VD+

GND

MDATA2

MFLAG2

0.01μF

SPITM Serial

Communications

Interface

OUT2+

OUT2-

INR2-

INF2+

INF2-

INR2+ VREF+ VREF-

SDO

SDI

SCLK

CS

680 Ω

680 Ω

680 Ω

0 .02 μF

C0G

0 .02 μF

C0 G

680 Ω

2.5V

Precision

Voltage

Reference

A

To CS5376A

Digital Control

Figure 11. CS5374 Connection Diagram

Reset, Clock, and

Synchronization

EXTERNAL RESET

CONTROLLER

RST

MCLK

MSYNC

RESET

MCLK

MSYNC

Clock and

Synchronization

4th Order

ΔΣ Modulator

CS5374

4th Order

ΔΣ Modulator

SPITM Serial

Communications

Interface

MDATA1

MFLAG1

MDATA1

MFLAG1

MDATA2

MFLAG2

MDATA2

MFLAG2

SDO

SDI

SCLK

CS

SI1

SO

SCK2

CS0

Modulator Data

Interface

CS5376A

SPI 2

Serial Peripheral

Interface 2

Figure 12. CS5374 to CS5376A Digital Interface

DS862F1

15

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