Cirrus-logic CS5374 Instrukcja Użytkownika Pobierz pdf (Strona 15)

CS5374

CS5374

15

Figure 11. CS5374 Connection Diagram

A

INA1+

INA1-

MUX1

MUX2

INB1-

INB1+

GUAR D1

+

-

-

+

400 Ω 400 Ω

INB2+

INB2-

INA2-

INA2+

+

-

-

+

400 Ω 400 Ω

Reset, Clock, and

Synchronization

INR1-

VA+

MFLAG1

MDATA1

MCLK

MSYNC

MFLAG2

MDATA2

GAIN1GAIN2

GUARD2

INR2-

INR2+

4

th

Order

ΔΣ Modulator

4

th

Order

ΔΣ Modulator

INF1-

INF1+ INR1+

RST

SPI

TM

Serial

Communications

Interface

SDI

SDO

SCLK

CS

INF2+

INF2-

OUT2-OU T2+

OUT1+ OUT1-

CS5374

VA-

GND

VD+

VREF-VREF+

VA+

VA-

Hydrophone

Sensor

Hydrophone

Sensor

VA-

0.1

VA+

0.1 μF

μF

Test

DAC

CS4373A

0.02

C0G

0.02

C0 G

680

680

680

680

μF μ

Ω

Ω

Ω

Ω

F

0.02

C0G

0.02

C0G

680

680

680

680

μF μ

Ω

Ω

Ω

F

Ω

VA-

0.1

VA+

0.1

μF

μF

0.01 μF

2.5V

Precision

Voltage

Reference

To CS5376A

Digital Control

Figure 12. CS5374 to CS5376A Digital Interface

Reset, Clock, and

Synchronization

MFLAG1

MDATA1

MCLK

MSYNC

MFLAG2

MDATA2

4

th

Order

ΔΣ Modulator

4

th

Order

ΔΣ Modulator

RST

SPI

TM

Serial

Communications

Interface

SDI

SDO

SCLK

CS

CS5374

MSYNC

MCLK

Clock and

Synchronization

Modulator Data

Interface

SPI 2

Serial Peripheral

Int erface 2

RESET

MFLAG1

MDATA1

MFLAG2

MDATA2

SI1

SO

SCK2

CS0

CS5376A

EXTERNAL RESET

CONTROLLER

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