7

OPA4188

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SBOS641D – JUNE 2012 – REVISED SEPTEMBER 2016

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Copyright © 2012–2016, Texas Instruments Incorporated

Electrical Characteristics: High-Voltage Operation, VS = ±4 V to ±18 V (VS = 8 V to 36

V) (continued)

at TA = 25°C, RL = 10 kΩ connected to VS / 2, and VCOM = VOUT = VS / 2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUTPUT

Voltage output swing from rail

No load

6

15

mV

RL = 10 kΩ

220

250

mV

RL = 10 kΩ, TA = –40°C to 125°C

310

350

mV

ISC

Short circuit current

±18

mA

RO

Open-loop output resistance

f = 1 MHz, IO = 0

120

Ω

CLOAD

Capacitive load drive

1

nF

POWER SUPPLY

VS

Operating voltage range

4 to 36 (±2 to ±18)

V

IQ

Quiescent current (per amplifier)

VS = ±4 V to VS = ±18 V

415

500

μA

IO = 0 mA, TA = –40°C to 125°C

570

μA

TEMPERATURE RANGE

Temperature

range

Specified

–40

125

°C

Operating

–55

150

°C

Storage

–65

150

°C

(1)

1000-hour life test at +125°C demonstrated randomly distributed variation in the range of measurement limits—approximately 4 μV.

7.6 Electrical Characteristics: Low-Voltage Operation, VS = ±2 V to < ±4 V (VS = +4 V to < +8 V)

at TA = 25°C, RL = 10 kΩ connected to VS / 2, and VCOM = VOUT = VS / 2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OFFSET VOLTAGE

VOS

Input offset voltage

TA = 25°C

6

25

μV

dVOS/dT

TA = –40°C to 125°C

0.03

0.085

μV/°C

PSRR

Power-supply rejection ratio

VS = 4 V to 36 V, VCM = VS / 2

0.075

0.3

μV/V

VS = 4 V to 36 V, VCM = VS / 2,

TA = –40°C to 125°C

0.3

μV/V

Long-term stability

4(1)

μV

Channel separation, DC

1

μV/V

INPUT BIAS CURRENT

IB

Input bias current

VCM = VS / 2

±160

±1400

pA

TA = –40°C to 125°C

±18

nA

IOS

Input offset current

±320

±2800

pA

TA = –40°C to 125°C

±6

nA

NOISE

en

Input voltage noise

f = 0.1 Hz to 10 Hz

0.25

μVPP

en

Input voltage noise density

f = 1 kHz

8.8

nV/

√Hz

in

Input current noise density

f = 1 kHz

7

fA/

√Hz

INPUT VOLTAGE RANGE

VCM

Common-mode voltage range

V–

(V+) – 1.5

V

CMRR

Common-mode rejection ratio

(V–) < VCM < (V+) – 1.5 V

106

114

dB

(V–) + 0.5 V < VCM < (V+) – 1.5 V,

VS = ±2 V

114

120

dB

(V–) + 0.5 V < VCM < (V+) – 1.5 V,

VS = ±2 V, TA = –40°C to 125°C

108

120

dB

INPUT IMPEDANCE

Input impedance

Differential

100 || 6

MΩ || pF

Common-mode

6 || 9.5

1012 Ω ||

pF