OPA855 datasheet(6/27 Pages) TI1

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OPA855

SBOS622 – JULY 2018

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Current flowing into the input pin is considered negative

7.5 Electrical Characteristics

VS+ = 5 V, VS– = 0 V, G = 7 V/V, RF = 453 Ω, noninverting configuration, input common-mode biased at midsupply, RL = 200

Ω, output load is referenced to midsupply, and TA = 25℃ (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Test

Level

AC PERFORMANCE

SSBW

Small-signal bandwidth

VOUT = 200 mVPP

2.5

GHz

LSBW

Large-signal bandwidth

VOUT = 2 VPP

850

MHz

GBP

Gain-bandwidth product

GHz

Bandwdith for 0.1-dB flatness

200

MHz

Slew rate (10%-90%)

VOUT = 2-V step

2750

V/µs

Rise time

VOUT = 200-mV step

0.17

Fall time

VOUT = 200-mV step

0.17

Settling time to 0.1%

VOUT = 2-V step

Settling time to 0.001%

VOUT = 2-V step

3000

Overshoot or undershoot

VOUT = 2-V step

Overdrive recovery

2x output overdrive

HD2

Second-order harmonic distortion

f = 10 MHz, VOUT = 2 VPP

dBc

f = 100 MHz, VOUT = 2 VPP

HD3

Third-order harmonic distortion

f = 10 MHz, VOUT = 2 VPP

dBc

f = 100 MHz, VOUT = 2 VPP

Input-referred voltage noise

f = 1 MHz

0.98

nV/rHz

Input-referred current noise

f = 1 MHz

2.3

pA/rHz

Closed-loop output impedance

f = 100 kHz

0.1

DC PERFORMANCE

AOL

Open-loop voltage gain

VOS

Input offset voltage

TA = 25°C

–2.5

0.05

2.5

ΔVOS/ΔT

Input offset voltage drift

TA = –40°C to +85°C

1.25

µV/°C

Input bias current (1)

TA = 25°C

–5

–12

–18.5

µA

ΔIB/ΔT

Input bias current drift

TA = –40°C to +85°C

0.3

µA/°C

IBOS

Input offset current

TA = 25°C

–1

0.1

µA

ΔIBOS/ΔT

Input offset current drift

TA = –40°C to +85°C

nA/°C

CMRR

Common-mode rejection ratio

VCM = ±0.5 V referred to

midsupply

100

INPUT

Common-mode input resistance

MΩ

CCM

Common-mode input capacitance

0.6

Differential input resistance

kΩ

CDIFF

Differential input capacitance

0.2

VIH

Common-mode input range (high)

CMRR > 66 dB, VS+ = 3.3 V

2.7

2.9

VIL

Common-mode input range (low)

CMRR > 66 dB, VS+ = 3.3 V

1.1

1.3

VIH

Common-mode input range (high)

CMRR > 66 dB

4.4

4.6

VIL

Common-mode input range (low)

CMRR > 66 dB

1.1

1.3

OUTPUT

VOH

Output voltage (high)

TA = 25°C, VS+ = 3.3 V

2.35

2.4

VOH

Output voltage (high)

TA = 25°C

3.95

4.1

TA = –40°C to +85°C

VOL

Output voltage (low)

TA = 25°C, VS+ = 3.3 V

1.05

1.15

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