AD7682 datasheet(16/28 Pages) AD

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AD7949

Rev. A | Page 16 of 28

TYPICAL CONNECTION DIAGRAMS

AD7949

REF

GND

VDD

VIO

DIN

MOSI

MISO

SCK

SDO

CNV

100nF

10µF2

V+

V–

1.8V TO VDD

0V TO VREF

V+

V–

ADA4841-x3

IN0

INx

COM

REFIN

100nF

0V OR

VREF/2

1. INTERNAL REFERENCE SHOWN. SEE VOLTAGE REFERENCE OUTPUT/INPUT SECTION FOR

REFERENCE SELECTION.

NOTES:

2. CREF IS USUALLY A 10µF CERAMIC CAPACITOR (X5R).

3. SEE DRIVER AMPLIFIER CHOICE SECTION FOR ADDITIONAL RECOMMENDED AMPLIFIERS.

4. SEE THE DIGITAL INTERFACE SECTION FOR CONFIGURING AND READING CONVERSION DATA.

Figure 25. Typical Application Diagram with Multiple Supplies

AD7949

REF

GND

VDD

VIO

DIN

MOSI

MISO

SCK

SDO

CNV

100nF

10µF2

V+

1.8V TO VDD

V+

IN0

INx

COM

REFIN

100nF

VREF/2

VREF p-p

ADA4841-x3

NOTES:

1. INTERNAL REFERENCE SHOWN. SEE VOLTAGE REFERENCE OUTPUT/INPUT SECTION FOR

REFERENCE SELECTION.

2. CREF IS USUALLY A 10µF CERAMIC CAPACITOR (X5R).

3. SEE DRIVER AMPLIFIER CHOICE SECTION FOR ADDITIONAL RECOMMENDED AMPLIFIERS.

4. SEE THE DIGITAL INTERFACE SECTION FOR CONFIGURING AND READING CONVERSION DATA.

Figure 26. Typical Bipolar Application Diagram

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