AD7175-2 datasheet(16/63 Pages) AD

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Data Sheet

AD7175-2

Rev. B | Page 15 of 62

–5

–4

–3

–2

–1

VIN (V)

–20

–15

–10

–5

INTERNAL 2.5V REF,

ANALOG INPUT BUFFERS OFF

INTERNAL 2.5V REF,

ANALOG INPUT BUFFERS ON

EXTERNAL 2.5V REF,

ANALOG INPUT BUFFERS OFF

EXTERNAL 2.5V REF,

ANALOG INPUT BUFFERS ON

EXTERNAL 5V REF,

ANALOG INPUT BUFFERS OFF

EXTERNAL 5V REF,

ANALOG INPUT BUFFERS ON

Figure 23. Integral Nonlinearity (INL) vs. VIN

(Differential Input)

INL ERROR (ppm)

2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50 4.75 5.00

Figure 24. Integral Nonlinearity (INL) Distribution Histogram (Differential

Input, Analog Input Buffers Enabled, VREF = 2.5 V External, 100 Units)

INL ERROR (ppm)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

Figure 25. Integral Nonlinearity (INL) Distribution Histogram (Differential

Input, Analog Input Buffers Disabled, VREF = 2.5 V External, 100 Units)

INL ERROR (ppm)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

Figure 26. Integral Nonlinearity (INL) Distribution Histogram (Analog Input

Buffers Enabled, Differential Input, VREF = 5 V External, 100 Units)

INL ERROR (ppm)

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

Figure 27. Integral Nonlinearity (INL) Distribution Histogram (Analog Input

Buffers Disabled, Differential Input, VREF = 5 V External, 100 Units)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

–40

–20

100

TEMPERATURE (°C)

BUFFER DISABLED

BUFFER ENABLED

Figure 28. Integral Nonlinearity (INL) vs. Temperature

(Differential Input, VREF = 2.5 V External)

AD7175-2 Datasheet(PDF) 16 Page - Analog Devices

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