OPA830 datasheet(13/56 Pages) TI

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6.8 Typical Characteristics: VS = 3 V (continued)

at VS+ = 3 V, VS– = 0 V, RF = 1 kΩ, RG = 200 Ω, RL = 2 kΩ, G = 6 V/V, input and output referenced to midsupply, and TA =

25°C (unless otherwise noted)

Time (nsec)

120

170

220

260

-1.5

-1

-0.5

0.5

1.5

VO = ±0.25 V

VO = ±0.5 V

VO = ±1 V

See Figure 8-1 and Table 8-1

Figure 6-25. Noninverting Step Response vs V OPP

Time (nsec)

120

170

220

260

-1.5

-1

-0.5

0.5

1.5

VO = ±0.25 V

VO = ±0.5 V

VO = ±1 V

See Figure 8-2 and Table 8-2

Figure 6-26. Inverting Step Response vs VOPP

Time from Input Step (nsec)

100

-0.01

-0.008

-0.006

-0.004

-0.002

0.002

0.004

0.006

0.008

0.01

AV = 6, 500-mV Step, TR = 3 ns

AV = 6, 1-V Step, TR = 6 ns

AV = 10, 500-mV Step, TR = 3 ns

AV = 10, 1-V Step, TR = 6 ns

See Figure 8-1 and Table 8-1

Figure 6-27. Noninverting Settling Time

Time from Input Step (nsec)

100

-0.004

-0.002

0.002

0.004

0.006

0.008

0.01

0.012

0.014

0.016

0.018

0.02

AV = 6, 500-mV Step, TR = 3 ns

AV = 6, 1-V Step, TR = 6 ns

AV = 10, 500-mV Step, TR = 3 ns

AV = 10, 1-V Step, TR = 6 ns

See Figure 8-2 and Table 8-2

Figure 6-28. Inverting Settling Time

Time (nsec)

250

450

650

850

1050

1250

1450

-3

-2

-1

D029

VIN u 10 gain

VOUT (AV = 10)

VIN u 6 gain

VOUT (AV = 6)

See Figure 8-1 and Table 8-1

Figure 6-29. Noninverting Overdrive Recovery

Time (nsec)

250

450

650

850

1050

1250

1450

-3

-2

-1

D030

VIN u 10 gain

VOUT (AV = 10)

VIN u 6 gain

VOUT (AV = 6)

See Figure 8-2 and Table 8-2

Figure 6-30. Inverting Overdrive Recovery

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OPA838

SBOS867D – AUGUST 2017 – REVISED SEPTEMBER 2024

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