ADA4254ACPZ-R7 datasheet(11/59 Pages) AD

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Data Sheet

ADA4254

Rev. B | Page 11 of 59

TYPICAL PERFORMANCE CHARACTERISTICS

TA = 25°C, VDDH = 28 V, VSSH = −28 V, AVDD = 5 V, AVSS = 0 V, DVDD = 3.3 V, DVSS = 0 V, VOCM = AVDD/2, and no load,

unless otherwise noted.

OFFSET VOLTAGE (µV)

–10

–8

–6

–4

–2

02468

N = 120 UNITS

µ = 0.24µV

σ = 2.4µV

Figure 7. Offset Voltage Distribution, RTI (Gain = 128 V/V)

–100 –80 –60 –40 –20

100

OFFSET VOLTAGE (µV)

N = 120 UNITS

µ = –19.2µV

σ = 22.2µV

Figure 8. Offset Voltage Distribution, RTI (Gain = 1 V/V)

–2.0 –1.6 –1.2 –0.8 –0.4

0.4

0.8

1.2

1.6

2.0

OFFSET VOLTAGE (mV)

N = 120 UNITS

µ = –0.34mV

σ = 0.36mV

Figure 9. Offset Voltage Distribution, RTI (Gain = 1/16 V/V)

–80 –64 –48 –32 –16

OFFSET VOLTAGE DRIFT (nV/°C)

N = 120 UNITS

µ = –11.4nV/°C

σ = 15.7nV/°C

TA = –40°C TO +105°C

Figure 10. Offset Voltage Drift Distribution, RTI (Gain = 128 V/V)

–2.0 –1.6 –1.2 –0.8 –0.4

0.4

0.8

1.2

1.6

2.0

OFFSET VOLTAGE DRIFT (µV/°C)

N = 120 UNITS

µ = –0.29µV/°C

σ = 0.43µV/°C

TA = –40°C TO +105°C

Figure 11. Offset Voltage Drift Distribution, RTI (Gain = 1 V/V)

OFFSET VOLTAGE DRIFT (µV/°C)

–30 –24

–18 –12

–6

N = 120 UNITS

µ = –4.84µV/°C

σ = 6.9µV/°C

TA = –40°C TO +105°C

Figure 12. Offset Voltage Drift Distribution, RTI (Gain = 1/16 V/V)

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