OPA333A-EP_09 datasheet(3/19 Pages) TI

Part #	OPA333A-EP

Description	1.8-V MICROPOWER CMOS OPERATIONAL AMPLIFIERS ZERO-DRIFT SERIES

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Electrical Characteristics: VS = 1.8 V to 5.5 V

OPA333A-EP

,, OPA2333A-EP

www.ti.com ............................................................................................................................................................ SGLS383B – APRIL 2007 – REVISED JUNE 2008

Boldface limits apply over the specified temperature range, TA = –55°C to 125°C. At TA = 25°C, RL = 10 kΩ connected to

VS/2, VCM = VS/2, and VOUT = VS/2 (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OFFSET VOLTAGE

Input offset voltage

VOS

VS = 5 V

2

10

µV

over temperature

22

µV

vs temperature

dVOS/dT

0.02

µV/°C

vs power supply

PSRR

VS = 1.8 V to 5.5 V

1

6

µV/V

Long-term stability(1)

(1)

Channel separation, dc

0.1

µV/V

INPUT BIAS CURRENT

Input bias current

IB

±70

±200

pA

over Temperature

±150

pA

Input offset current

IOS

±140

±400

pA

NOISE

Input voltage noise,

0.3

µV

PP

f = 0.01 Hz to 1 Hz

Input voltage noise,

1.1

µV

PP

f = 0.1 Hz to 10 Hz

Input current noise, f = 10 Hz

in

100

fA/

√Hz

INPUT VOLTAGE RANGE

Common mode voltage range

VCM

(V–) – 0.1

(V+) + 0.1

V

Common-Mode Rejection

CMRR

(V–) – 0.1 V < VCM < (V+) + 0.1 V

102

130

dB

Ratio

INPUT CAPACITANCE

Differential

2

pF

Common mode

4

pF

OPEN-LOOP GAIN

(V–) + 100 mV < VO < (V+) – 100 mV,

Open-loop voltage gain

AOL

104

130

dB

RL = 10 kΩ

FREQUENCY RESPONSE

Gain-bandwidth product

GBW

CL = 100 pF

350

kHz

Slew rate

SR

G = 1

0.16

V/

µs

OUTPUT

Voltage output swing from rail

RL = 10 kΩ

30

50

mV

over temperature

RL = 10 kΩ

85

mV

Short-circuit current

ISC

±5

mA

Capacitive load drive

CL

(2)Open-loop output

f = 350 kHz, IO = 0

2

k

Ω

impedance

POWER SUPPLY

Specified voltage range

VS

1.8

5.5

V

Quiescent current per

IQ

IO = 0

17

25

µA

amplifier

over temperature

30

µA

Turn-on time

VS = 5 V

100

µs

TEMPERATURE RANGE

Specified range

–55

125

°C

(1)

300-hour life test at 150°C demonstrated randomly distributed variation of approximately 1

µV

(2)

See Typical Characteristics

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Product Folder Link(s): OPA333A-EP OPA2333A-EP

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