6.5 Electrical Characteristics

VS+ = 5 V, VS- = 0 V, input common-mode biased at midsupply, unity gain configuration, 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

1.8

GHz

LSBW

Large-signal bandwidth

VOUT = 2 VPP

400

MHz

GBWP

Gain-bandwidth product

900

MHz

Bandwidth for 0.1dB flatness

140

MHz

SR

Slew rate (10%–90%)

VOUT = 2-V step

1150

V/µs

tr

Rise time

VOUT = 100-mV step

0.3

ns

tf

Fall time

VOUT = 100-mV step

0.3

ns

Settling time to 0.1%

VOUT = 2-V step

8

ns

Settling time to 0.001%

VOUT = 2-V step

3000

ns

Overshoot/undershoot

VOUT = 2-V step

7%

HD2

Second-order harmonic distortion

f = 10 MHz, VOUT = 2 VPP

90

dBc

f = 100 MHz, VOUT = 2 VPP

60

HD3

Third-order harmonic distortion

f = 10 MHz, VOUT = 2 VPP

86

dBc

f = 100 MHz, VOUT = 2 VPP

64

dBc

en

Input-referred voltage noise

f = 1 MHz

3.3

nV/√Hz

ZOUT

Closed-loop output impedance

f = 1 MHz

0.15

Ω

DC PERFORMANCE

AOL

Open-loop voltage gain(1)

60

65

dB

VOS

Input offset voltage(1)

TA = 25°C

–5

±0.9

5

mV

ΔVOS/ΔT

Input offset voltage drift

TA = –40°C to +125°C

–2

µV/°C

IBN, IBI

Input bias current(1)

TA = 25°C

–5

±0.5

5

pA

IBOS

Input offset current(1)

TA = 25°C

–5

±0.1

5

pA

CMRR

Common-mode rejection ratio(1)

VCM = ±0.5 V

70

84

dB

INPUT

Common-mode input resistance

1

GΩ

CCM

Common-mode input capacitance

0.62

pF

Differential input resistance

1

GΩ

CDIFF

Differential input capacitance

0.2

pF

VIH

Common-mode input

voltage (high)(1)

VS+ = 3.3 V, CMRR > 66 dB

1.7

1.9

V

VIL

Common-mode input

voltage (low)(1)

VS+ = 3.3 V, CMRR > 66 dB

0

0.4

V

VIH

Common-mode input

voltage (high)(1)

CMRR > 66 dB

3.4

3.6

V

TA = –40°C to +125°C,

CMRR > 66 dB

3.4

VIL

Common-mode input

voltage (low)(1)

CMRR > 66 dB

0

0.4

V

TA = –40°C to +125°C,

CMRR > 66 dB

0.35

0.45

OPA859

SBOS852A – SEPTEMBER 2018 – REVISED MAY 2025

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