AD7699 datasheet(17/28 Pages) AD

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AD7682/AD7689

Rev. 0 | Page 17 of 28

TYPICAL CONNECTION DIAGRAMS

AD7682/AD7689

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

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.

IN0

INx

COM

REFIN

100nF

0V OR

VREF/2

Figure 26. Typical Application Diagram with Multiple Supplies

REF

GND

VDD

VIO

DIN

MOSI

MISO

SCK

SDO

CNV

100nF

10µF2

V+

1.8V TO VDD

V+

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.

IN0

INx

COM

REFIN

100nF

VREF/2

VREF p-p

ADA4841-x3

AD7682/AD7689

Figure 27. Typical Application Diagram Using Bipolar Input

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