CM+V

REF

+V

REF

Single-EndedInputs

t

+IN

CMVoltage

CM

V

-

REF

CM+1/2V

REF

DifferentialInputs

t

+IN

-IN

CMVoltage

CM

1/2V

REF

-

+V

REF

Common-ModeVoltage(DifferentialMode)=

(+IN)+(-IN)

2

,Common-ModeVoltage(Single-EndedMode)= IN .

-

-IN=CMVoltage

1.0

1.5

2.0

2.5

2.55

3.0

V

(V)

REF

-1

0

1

2

3

4

5

4.55

0.45

AV

=5V

DD

4.025

0.975

DifferentialInput

1.0

1.5

2.0

2.5

2.55

3.0

V

(V)

REF

-1

0

1

2

3

4

5

2.75

2.25

3.8

1.2

AV

=5V

DD

Single-EndedInput

ADS8323

www.ti.com

SBAS224C – DECEMBER 2001 – REVISED JANUARY 2010

Note:

further explanation of the common voltage range for single-ended and differential inputs.

Figure 17. Using the ADS8323 in the Single-Ended and Differential Input Modes

white space here

Figure 19. Differential Input: Common-Mode

Figure 18. Single-Ended Input: Common-Mode

Copyright © 2001–2010, Texas Instruments Incorporated

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