OPA387DBVT datasheet(8/37 Pages) TI

8 / 37 page

6.6 Electrical Characteristics (continued)

at TA = 25°C, RL = 10 kΩ connected to VS / 2, VS = 1.7 V to 5.5 V, VCM = VS / 2, VOUT = VS / 2, and min and max specification

established from manufacturing final test (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

FREQUENCY RESPONSE

GBW

Gain-bandwidth product

5.7

MHz

Slew rate

4-V step, G = +1

2.8

V/μs

Settling time

To 0.1%, 1-V step , G = +1

1.5

μs

To 0.01%, 1-V step , G = +1

5.5

Overload recovery time

VIN × G > VS

500

Chopping clock

frequency(1)

100

150

kHz

THD+N

Total harmonic distortion +

noise

VOUT = 1 VRMS, G = +1, f = 1 kHz

0.002 %

OUTPUT

Voltage output swing from

rail

No load

OPA387, OPA2387

OPA4387

RL = 2 kΩ

OPA387, OPA2387

OPA4387

TA = –40°C to +125°C(1)

High linearity output swing

range(1)

AOL > 120 dB

(V–) + 0.075

(V+) – 0.075

RL = 2 kΩ

(V–) + 0.150

(V+) – 0.150

ISC

Short-circuit current

VS = 5.5 V

±55

VS = 1.7 V

OPA2387DGK

±25

OPA387, OPA2387DSG,

OPA4387

±15

Phase margin

CL = 100 pF, G = +1

degrees

Open-loop output

impedance

f = 1 MHz

250

Ω

POWER SUPPLY

Quiescent current per

amplifier

IO = 0 mA

570

675

μA

TA = –40°C to 125°C(1)

700

Turn-on time

At VS = 5.5 V, VS ramp rate > 0.3 V/µs, settle to 1%

100

μs

(1)

Specification established from device population bench system measurements across multiple lots.

OPA387, OPA2387, OPA4387

SBOS984F – NOVEMBER 2020 – REVISED FEBRUARY 2022

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