AD7682BCPZ datasheet(18/32 Pages) AD

18 / 32 page

AD7682/AD7689

Data Sheet

Rev. D | Page 18 of 32

TYPICAL CONNECTION DIAGRAMS

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 THE DRIVER AMPLIFIER CHOICE SECTION FOR ADDITIONAL RECOMMENDED AMPLIFIERS.

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

IN0

IN[7:1]

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

+5V

10µF2

V+

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 THE DRIVER AMPLIFIER CHOICE SECTION FOR ADDITIONAL RECOMMENDED AMPLIFIERS.

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

IN0

IN[7:1]

COM

REFIN

100nF

VREF/2

VREF p-p

ADA4841-x3

AD7689

Figure 27. Typical Application Diagram Using Bipolar Input

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