OPA380

OPA2380

SBOS291G − NOVEMBER 2003 − REVISED SEPTEMBER 2007

www.ti.com

4

ELECTRICAL CHARACTERISTICS: OPA2380 (DUAL), VS = 2.7V to 5.5V

Boldface limits apply over the temperature range, TA = −40°C to +125°C.

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

OPA2380

PARAMETER

CONDITION

MIN

TYP

MAX

UNITS

OFFSET VOLTAGE

Input Offset Voltage

VOS

VS = +5V, VCM = 0V

4

25

µV

Drift

dVOS/dT

0.03

0.1

µV/°C

vs Power Supply

PSRR

VS = +2.7V to +5.5V, VCM = 0V

2.4

10

µV/V

Over Temperature

VS = +2.7V to +5.5V, VCM = 0V

10

µV/V

Long-Term Stability(1)

See Note (1)

Channel Separation, dc

1

µV/V

INPUT BIAS CURRENT

Input Bias Current, Inverting Input

IB

VCM = VS/2

3

±50

pA

Noninverting Input

IB

VCM = VS/2

3

±200

pA

Over Temperature

Typical Characteristics

NOISE

Input Voltage Noise, f = 0.1Hz to 10Hz

en

VS = +5V, VCM = 0V

3

µVPP

Input Voltage Noise Density, f = 10kHz

en

VS = +5V, VCM = 0V

67

nV/

√Hz

Input Voltage Noise Density, f > 1MHz

en

VS = +5V, VCM = 0V

5.8

nV/

√Hz

Input Current Noise Density, f = 10kHz

in

VS = +5V, VCM = 0V

10

fA/

√Hz

INPUT VOLTAGE RANGE

Common-Mode Voltage Range

VCM

V−

(V+) − 1.8V

V

Common-Mode Rejection Ratio

CMRR

(V−) < VCM < (V+) – 1.8V

95

105

dB

INPUT IMPEDANCE

Differential Capacitance

1.1

pF

Common-Mode Resistance and Inverting Input

Capacitance

1013 || 3

Ω || pF

OPEN-LOOP GAIN

Open-Loop Voltage Gain

AOL

0.12V < VO < (V+) − 0.7V, VS = 5V, VCM = VS/2

110

130

dB

0.12V < VO < (V+) − 0.6V, VS = 5V, VCM = VS/2,

TA = −40°C to +85°C

110

130

dB

0V < VO< (V+) − 0.7V, VS = 5V, VCM = 0V,

RP = 2kΩ to −5V(2)

106

120

dB

0V < VO < (V+) − 0.6V, VS = 5V, VCM = 0V,

RP = 2kΩ to −5V(2), TA = −40°C to +85°C

106

120

dB

FREQUENCY RESPONSE

CL = 50pF

Gain-Bandwidth Product

GBW

90

MHz

Slew Rate

SR

G = +1

80

V/

µs

Settling Time, 0.01%(3)

tS

VS = +5V, 4V Step, G = +1

2

µs

Overload Recovery Time(4)(5)

VIN × G = > VS

100

ns

OUTPUT

Voltage Output Swing from Positive Rail

RL = 2kΩ

400

600

mV

Voltage Output Swing from Negative Rail

RL = 2kΩ

80

120

mV

Voltage Output Swing from Positive Rail

RP = 2kΩ to −5V(2)

400

600

mV

Voltage Output Swing from Negative Rail

RP = 2kΩ to −5V(2)

−20

0

mV

Output Current

IOUT

See Typical Characteristics

Short-Circuit Current

ISC

150

mA

Capacitive Load Drive

CLOAD

See Typical Characteristics

Open-Loop Output Impedance

RO

f = 1MHz, IO = 0A

40

Ω

POWER SUPPLY

Specified Voltage Range

VS

2.7

5.5

V

Quiescent Current (per amplifier)

IQ

IO = 0A

7.5

9.5

mA

Over Temperature

10

mA

TEMPERATURE RANGE

Specified and Operating Range

−40

+125

°C

Storage Range

−65

+150

°C

Thermal Resistance

qJA

MSOP-8

150

°C/W

(1) 300-hour life test at 150°C demonstrated randomly distributed variation approximately equal to measurement repeatability of 1µV.

(2) Tested with output connected only to RP, a pulldown resistor connected between VOUT and −5V, as shown in Figure 5. See also applications section, Achieving

Output Swing to Ground.

(3) Transimpedance frequency of 1MHz.

(4) Time required to return to linear operation.

(5) From positive rail.