5.5 Electrical Characteristics: OPAx371D (continued)

For VS = 1.5 V to 5.5 V (±0.75 V to ±2.75 V) at TA = 25°C, G = 10V/V, RF = 1.8MΩ, RL = 1 MΩ connected to VS / 2, VCM =

VS / 2, and VO UT = VS / 2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

GBW

Gain-bandwidth

product

VS = 5.5 V, G = 100 V/V, CL= 10pF

125

kHz

SR

Slew rate

VS = 5.5 V, G = +1, VSTEP = 4VPP, CL= 10pF

70

mV/μs

tS

Settling time

To 0.1%, VS = 5.5 V, VSTEP = 2 V, CL= 20pF

To 0.1%, VS = 5.5 V, VSTEP =

2 V

330

µs

PM

Phase Margin

VS = 5.5 V, CL = 30 pF

63

°

CL Drive

Cap Load Drive

Phase Margin = 45°

80

pF

toverload

Overload

recovery time

VIN × gain > VS

50

µs

EMIRR

Electro-magnetic

interference

rejection ratio

f = 1.8 GHz, VIN_EMIRR = 100 mV

91

dB

OUTPUT

Vo

Voltage output

swing from rail

VS = 5.5V, RL = 100kΩ to VS / 2

VS = 5.5V, RL = 100kΩ to

VS / 2

2.5

10

mV

VS = 5.5V, RL = 100kΩ to VS / 2

TA = –40°C to 125°C

15

VS = 1.5V, RL = 100kΩ to VS / 2

VS = 1.5V, RL = 100kΩ to

VS / 2

1

12

VS = 1.5V, RL = 100kΩ to VS / 2

TA = –40°C to 125°C

17

ISC

Short-circuit

current (3)

VS = 5.5 V

±11.5

±18

mA

TA = –40°C to 125°C

±5.5

ZO

Open-loop

output

impedance

f = 100 Hz

f = 100 Hz

93

kΩ

Power-on time

VS = 0 to 5.5 V, 1% settling

0.7

ms

POWER SUPPLY

IQ

Quiescent

current per

amplifier

VS = 1.5 V, IO = 0 A, OPA371D

665

900

nA

TA = –40°C to 125°C

1000

VS = 1.5 V, IO = 0 A, OPA2371D/OPA4371D

630

900

TA = –40°C to 125°C

1000

VS = 5.5 V, IO = 0 A, OPA371D

680

905

TA = –40°C to 125°C

1030

VS = 5.5 V, IO = 0 A, OPA2371D/OPA4371D

650

905

TA = –40°C to 125°C

1030

SHUTDOWN

(1)

Max / Min limit is specified based on characterization results.

(2)

Specified based on design simulation results

(3)

Short circuit current specified here is average of sourcing and sinking short circuit currents

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OPA371D, OPA2371D, OPA4371D

SLVSM48A – JUNE 2026 – REVISED AUGUST 2026

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Product Folder Links: OPA371D OPA2371D OPA4371D