AD7768BSTZ datasheet(35/99 Pages) AD

35 / 99 page

Data Sheet

AD7768/AD7768-4

Rev. A | Page 35 of 99

–4

–3

–2

–1

INPUT VOLTAGE (V)

–VREF

+VREF

VREF = 2.500V

VREF = 4.096V

VREF = 5.000V

Figure 42. INL Error vs. Input Voltage for Various Voltage Reference (VREF)

Levels, Eco Mode

–1.5

–1.0

–0.5

0.5

1.0

1.5

INPUT VOLTAGE (V)

–VREF

+VREF

FULL SCALE (–4.015V TO +4.015V)

HALF SCALE (–2.008V TO +2.008V)

QUARTER SCALE (–1.004V TO +1.004V)

Figure 43. INL Error vs. Input Voltage, Full-Scale, Half-Scale, and

Quarter-Scale Inputs

–3

–2

–1

INPUT VOLTAGE (V)

+25°C

0°C

+85°C

+105°C

–40°C

Figure 44. INL Error vs. Input Voltage for Various Temperatures,

Fast Mode

–60

–50

–40

–30

–20

–10

OFFSET ERROR (µV)

+105°C

+25°C

–40°C

Figure 45. Offset Error Distribution, DCLK = 24 MHz

–140

–120

–100

–80

–60

–40

–20

OFFSET ERROR (µV)

+105°C

+25°C

–40°C

Figure 46. Offset Error Distribution, DCLK = 32 MHz

120

100

–150 –100 –50

100

150

200

250

300

350

OFFSET ERROR DRIFT (nV/°C)

Figure 47. Offset Error Drift, DCLK = 24 MHz

AD7768BSTZ Datasheet(PDF) 35 Page - Analog Devices

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