OPA830 datasheet(5/56 Pages) TI

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6.5 Electrical Characteristics VS = 5 V

at VS+ = 5 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)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TEST

LEVEL(1)

AC PERFORMANCE

SSBW

Small-signal bandwidth

VOUT = 20 mVPP, G = 6, (peaking < 4 dB)

MHz

VOUT = 20 mVPP, G = 10, RF = 1.6 kΩ

VOUT = 20 mVPP, G = 100, RF = 16.9 kΩ

GBP

Gain-bandwidth product

VOUT = 20 mVPP, G = 100

240

300

MHz

LSBW

Large-signal bandwidth

VOUT = 2 VPP, G = 6

MHz

Bandwidth for 0.1-dB flatness

VOUT = 200 mVPP, G = 6

MHz

Slew rate

From LSBW(2)

250

350

V/µs

Overshoot, undershoot

VOUT = 2-V step, G = 6, input tR = 12 ns

tR, tF

Rise, fall time

VOUT = 2-V step, G = 6, RL = 2 kΩ,

input tR = 12 ns

12.5

Settling time to 0.1%

VOUT = 2-V step, G = 6, input tR = 12 ns

Settling time to 0.01%

VOUT = 2-V step, G = 6, input tR = 12 ns

HD2

Second-order harmonic distortion

f = 100 kHz, VO = 4 VPP, G = 6 (see Figure 8-1)

–110

dBc

HD3

Third-order harmonic distortion

f = 100 kHz, VO = 4 VPP, G = 6 (see Figure 8-1)

–120

dBc

Input voltage noise

f > 1 kHz

1.8

nV/√Hz

Voltage noise 1/f corner frequency

100

Input current noise

f > 100 kHz

pA/√Hz

Current noise 1/f corner frequency

kHz

Overdrive recovery time

G = 6, 2 x output overdrive, dc-coupled

Closed-loop output impedance

f = 1 MHz, G = 6

0.3

DC PERFORMANCE

AOL

Open-loop voltage gain

VO = ±2 V, RL = 2 kΩ

120

125

Input-referred offset voltage

TA ≈ 25°C (DXB package)

–150

±15

150

µV

TA ≈ 25°C

–125

±15

125

TA = 0°C to 70°C

–165

±15

200

TA = –40°C to +85°C

–230

±15

220

TA = –40°C to +125°C

–230

±15

285

Input offset voltage drift(5)

TA = –40°C to +125°C(4)

–1.6

±0.4

1.6

µV/°C

Input bias current(3)

TA ≈ 25°C

0.7

1.5

2.8

µA

TA = 0°C to 70°C

0.2

1.5

3.5

TA = –40°C to +85°C

0.2

1.5

3.7

TA = –40°C to +125°C

0.2

1.5

4.4

Input bias current drift(5)

TA = –40°C to +125°C

4.5

7.8

nA/°C

Input offset current

TA ≈ 25°C (DXB package)

–100

±20

100

TA ≈ 25°C

–70

±20

TA = 0°C to 70°C

–83

±20

TA = –40°C to +85°C

–105

±20

100

TA = –40°C to +125°C

–105

±20

120

Input offset current drift(5)

TA = –40°C to +125°C

–500

±40

500

pA/°C

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OPA838

SBOS867D – AUGUST 2017 – REVISED SEPTEMBER 2024

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