OPA337, OPA2337

OPA338, OPA2338

SBOS077B − JUNE 1997 − REVISED MARCH 2005

www.ti.com

3

Boldface limits apply over the specified temperature range, −40

At TA = +25°C and RL = 25kΩ connected to VS/2, unless otherwise noted.

OPA337, OPA2337,

OPA338, OPA2338

PARAMETER

CONDITION

MIN

TYP(1)

MAX

UNIT

OFFSET VOLTAGE

Input Offset Voltage

VOS

±0.5

±3

mV

TA = −40°C to +85°C

±3.5

mV

vs Temperature

dVOS/dT

±2

µV/°C

vs Power-Supply Rejection Ratio

PSRR

VS = 2.7V to 5.5V

25

125

µV/V

TA = −40°C to +85°C

VS = 2.7V to 5.5V

125

µV/V

Channel Separation (dual versions)

dc

0.3

µV/V

INPUT BIAS CURRENT

Input Bias Current

IB

±0.2

±10

pA

TA = −40°C to +85°C

See Typical Curve

Input Offset Current

IOS

±0.2

±10

pA

NOISE

Input Voltage Noise, f = 0.1Hz to 10Hz

6

µVPP

Input Voltage Noise Density, f = 1kHz

en

26

nV/

√Hz

Current Noise Density, f = 1kHz

in

0.6

fA/

√Hz

INPUT VOLTAGE RANGE

Common-Mode Voltage Range

VCM

TA = −40°C to +85°C

−0.2

(V+) − 1.2

V

Common-Mode Rejection Ratio

CMRR

−0.2V < VCM < (V+) − 1.2V

74

90

dB

TA = −40°C to +85°C

−0.2V < VCM < (V+) − 1.2V

74

dB

INPUT IMPEDANCE

Differential

1013

 2

Ω  pF

Common-Mode

1013

 4

Ω  pF

OPEN-LOOP GAIN

Open-Loop Voltage Gain

AOL RL = 25kΩ, 125mV < VO < (V+) − 125mV

100

120

dB

TA = −40°C to +85°C

RL = 25kΩ, 125mV < VO < (V+) − 125mV

100

dB

RL = 5kΩ, 500mV < VO < (V+) − 500mV

100

114

dB

TA = −40°C to +85°C

RL = 5kΩ, 500mV < VO < (V+) − 500mV

100

dB

OPA337 FREQUENCY RESPONSE

Gain-Bandwidth Product

GBW

VS = 5V, G = 1

3

MHz

Slew Rate

SR

VS = 5V, G = 1

1.2

V/

µs

Settling TIme: 0.1%

VS = 5V, 2V Step, CL = 100pF, G = 1

2

µs

0.01%

VS = 5V, 2V Step, CL = 100pF, G = 1

2.5

µs

Overload Recovery Time

VIN × G = VS

2

µs

Total Harmonic Distortion + Noise

THD+N

VS = 5V, VO = 3VPP, G = 1, f = 1kHz

0.001

%

OPA338 FREQUENCY RESPONSE

Gain-Bandwidth Product

GBW

VS = 5V, G = 5

12.5

MHz

Slew Rate

SR

VS = 5V, G = 5

4.6

V/

µs

Settling TIme: 0.1%

VS = 5V, 2V Step, CL = 100pF, G = 5

1.4

µs

0.01%

VS = 5V, 2V Step, CL = 100pF, G = 5

1.9

µs

Overload Recovery Time

VIN × G = VS

0.5

µs

Total Harmonic Distortion + Noise

THD+N

VS = 5V, VO = 3VPP, G = 5, f = 1kHz

0.0035

%

(1) VS = 5V.

(2) Output voltage swings are measured between the output and negative and positive power-supply rails.