6.5 Electrical Characteristics

at VS+ = 5 V, VS– = 0 V, G = 7 V/V, RF = 453 Ω, 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

AC PERFORMANCE

SSBW

Small-signal bandwidth

VOUT = 100 mVPP

2.5

GHz

LSBW

Large-signal bandwidth

VOUT = 2 VPP

850

MHz

GBWP

Gain-bandwidth product

8

GHz

Bandwidth for 0.1-dB flatness

200

MHz

SR

Slew rate (10%–90%)

VOUT = 2-V step

2750

V/µs

tr

Rise time

VOUT = 100-mV step

0.17

ns

tf

Fall time

VOUT = 100-mV step

0.17

ns

Settling time to 0.1%

VOUT = 2-V step

2.3

ns

Settling time to 0.001%

VOUT = 2-V step

2600

ns

Overshoot or undershoot

VOUT = 2-V step

5%

Overdrive recovery

2 × output overdrive

3

ns

HD2

Second-order harmonic distortion

f = 10 MHz, VOUT = 2 VPP

90

dBc

f = 100 MHz, VOUT = 2 VPP

65

HD3

Third-order harmonic distortion

f = 10 MHz, VOUT = 2 VPP

86

dBc

f = 100 MHz, VOUT = 2 VPP

74

en

Input-referred voltage noise

f = 1 MHz

0.98

nV/√Hz

ei

Input-referred current noise

f = 1 MHz

2.5

pA/√Hz

zO

Closed-loop output impedance

f = 1 MHz

0.15

Ω

DC PERFORMANCE

AOL

Open-loop voltage gain(1)

70

76

dB

VOS

Input offset voltage(1)

TA = 25°C

–1.5

±0.2

1.5

mV

ΔVOS/ΔT

Input offset voltage drift

TA = –40°C to 125°C

0.5

µV/°C

IB

Input bias current (2)

TA = 25°C

–18.5

–12

–5

µA

ΔIB/ΔT

Input bias current drift

TA = –40°C to +125°C

–0.08

µA/°C

IBOS

Input offset current(1)

TA = 25°C

–1

±0.1

1

µA

ΔIBOS/ΔT Input offset current drift

TA = –40°C to +125°C

1

nA/°C

CMRR

Common-mode rejection ratio(1)

VCM = ±0.5 V referred to midsupply

90

100

dB

INPUT

Common-mode input resistance

2.3

MΩ

CCM

Common-mode input capacitance

0.6

pF

Differential input resistance

5

kΩ

CDIFF

Differential input capacitance

0.2

pF

VIH

Common-mode input range (high)(1)

CMRR > 80 dB, VS+ = 3.3 V

2.7

2.9

V

VIL

Common-mode input range (low)(1)

CMRR > 80 dB, VS+ = 3.3 V

1.1

1.3

V

VIH

Common-mode input range (high)(1)

CMRR > 80 dB

4.4

4.6

V

VIH

Common-mode input range (high)

TA = –40°C to +125°C, CMRR > 80 dB

4.3

V

VIL

Common-mode input range (low)(1)

CMRR > 80 dB

1.1

1.3

V

VIL

Common-mode input range (low)

TA = –40°C to +125°C, CMRR > 80 dB

1.3

V

OPA855

SBOS622D – JULY 2018 – REVISED MAY 2025

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