OPA310 datasheet(16/55 Pages) TI

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7.8 Typical Characteristics

at TA = 25°C, V+ = 2.75 V, V– = –2.75 V, RL = 10 kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2 (unless otherwise

noted)

Input Offset Voltage (µV)

H01_

VS = 5.5 V

VCM = VS / 2

TA = 25°C

No. of devices = 70

Mean = –36 µV

Sigma = 215 µV

Figure 7-1. Offset Voltage Distribution Histogram

Input Offset Voltage Drift (µV/°C)

H02_

VS = 5.5 V

VCM = VS / 2

TA = –40°C to +125°C

No. of devices = 70

Mean = 0.5 µV/°C

Sigma = 0.3 µV/°C

Figure 7-2. Offset Voltage Drift Distribution Histogram

Input Bias Current (pA)

H03_

VS = 5.5 V

VCM = VS / 2

TA = 25°C

No. of devices = 140

Mean = 0.6 pA

Sigma = 1.2 pA

Figure 7-3. Input Bias Current Distribution Histogram

Input Bias Current (pA)

H04_

VS = 5.5 V

VCM = VS / 2

TA = 85°C

No. of devices = 140

Mean = 4.6 pA

Sigma = 1.3 pA

Figure 7-4. Input Bias Current Distribution Histogram

Input Offset Current (pA)

H05_

VS = 5.5 V

VCM = VS / 2

TA = 25°C

No. of devices = 140

Mean = 0.2 pA

Sigma = 1.5 pA

Figure 7-5. Input Offset Current Distribution Histogram

Input Offset Current (pA)

H06_

VS = 5.5 V

VCM = VS / 2

TA = 85°C

No. of devices = 70

Mean = 0.3 pA

Sigma = 1.6 pA

Figure 7-6. Input Offset Current Distribution Histogram

OPA310, OPA2310, OPA4310

SBOSAA1C – APRIL 2022 – REVISED SEPTEMBER 2022

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