OPA322SAIDBVT datasheet(9/61 Pages) TI2

9 / 61 page

OPA322, OPA322S

OPA2322, OPA2322S

OPA4322, OPA4322S

www.ti.com

SBOS538F – JANUARY 2011 – REVISED DECEMBER 2016

Product Folder Links: OPA322 OPA322S OPA2322 OPA2322S OPA4322 OPA4322S

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(1)

Third-order filter; bandwidth = 80 kHz at –3 dB

6.7 Electrical Characteristics

At VS = 1.8 V to 5.5 V, or ±0.9 V to ±2.75 V, TA = 25°C, RL = 10 kΩ connected to VS/2, VCM = VS/2, VOUT = VS/2, and

SHDN_x = VS+ (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OFFSET VOLTAGE

VOS

Input offset voltage

0.5

dVOS/dT

vs temperature

VS = 5.5 V

1.8

μV/°C

PSR

vs power supply

VS = 1.8 V to 5.5 V

TA = 25°C

μV/V

TA = –40°C to 125°C

Channel separation

At 1 kHz

130

INPUT VOLTAGE

VCM

Common-mode voltage

range

(V–) – 0.1

(V+) + 0.1

CMRR

Common-mode rejection

ratio

(V–) – 0.1 V < VCM < (V+) + 0.1 V

TA = 25°C

100

TA = –40°C to 125°C

INPUT BIAS CURRENT

Input bias current

TA = 25°C

±0.2

±10

TA = –40°C to 85°C

±50

OPA322 and OPA322S, TA = –40°C to 125°C

±800

OPA2322 and OPA2322S, TA = –40°C to 125°C

±400

OPA4322 and OPA4322S, TA = –40°C to 125°C

±400

IOS

Input offset current

TA = 25°C

±0.2

±10

TA = –40°C to 85°C

±50

TA = –40°C to 125°C

±400

NOISE

Input voltage noise

f = 0.1 Hz to 10 Hz

2.8

μVPP

Input voltage noise density

f = 1 kHz

8.5

nV/

√Hz

f = 10 kHz

Input current noise density

f = 1 kHz

0.6

fA/

√Hz

INPUT CAPACITANCE

Differential

Common-mode

OPEN-LOOP GAIN

AOL

Open-loop voltage gain

0.1 V < VO < (V+) – 0.1 V, RL = 10 kΩ

100

130

0.1 V < VO < (V+) – 0.1 V, RL = 10 kΩ

Phase margin

VS = 5 V, CL = 50 pF

FREQUENCY RESPONSE

GBP

Gain bandwidth product

VS = 5 V, CL = 50 pF, unity gain

MHz

Slew rate

VS = 5 V, CL = 50 pF, G = +1

V/μs

Settling time

VS = 5 V, CL = 50 pF, to 0.1%, 2-V step, G = +1

0.25

μs

VS = 5 V, CL = 50 pF, to 0.01%, 2-V step, G = +1

0.32

Overload recovery time

VS = 5 V, CL = 50 pF, VIN × G > VS

100

THD+N

Total harmonic distortion +

noise(1)

VS = 5 V, CL = 50 pF, VO = 4 VPP, G = +1, f = 10 kHz,

RL = 10 kΩ

0.0005%

VS = 5 V, CL = 50 pF, VO = 2 VPP, G = +1, f = 10 kHz,

RL = 600 Ω

0.0011%

OPA322SAIDBVT Datasheet(PDF) 9 Page - Texas Instruments

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