OPA2631

3

SBOS067A

OPA2631U

TYP

GUARANTEED

0

MIN/

TEST

PARAMETER

CONDITIONS

+25

+25

UNITS

AC PERFORMANCE (Figure 2)

Small-Signal Bandwidth

61

45

35

MHz

min

B

15

11

9

MHz

min

B

7.7

4.6

4.0

MHz

min

B

Gain Bandwidth Product

G

≥ +10

63

47

34

MHz

min

B

Peaking at a Gain of +1

5

——

dB

typ

C

Slew Rate

1V Step

95

52

46

V/

µs

min

B

Rise Time

0.5V Step

5.6

9

11.3

ns

max

B

Fall Time

0.5V Step

5.6

9

11.3

ns

max

B

Settling Time to 0.1%

1V Step

40

63

85

ns

max

B

Spurious Free Dynamic Range

44

37

34

dB

min

B

846765

dB

min

B

Input Voltage Noise

f > 1MHz

6.2

7.0

7.8

nV/

√Hz

max

B

Input Current Noise

f > 1MHz

2.0

2.6

2.9

pA/

√Hz

max

B

Channel-to-Channel Isolation

Input Reference, f = 5MHz

93

——

dB

typ

C

DC PERFORMANCE

Open-Loop Voltage Gain

60

54

50

dB

min

A

Input Offset Voltage

0.5

4.0

4.5

mV

max

A

Average Offset Voltage Drift

——

45

µV/°C

max

B

Input Bias Current

12

25

30

µA

max

A

Input Offset Current

0.3

1

1.3

µA

max

A

Input Offset Current Drift

——

2

nA/

°C

max

B

INPUT

Least Positive Input Voltage

–0.5

–0.3

–0.1

V

max

B

Most Positive Input Voltage

2

1.75

1.3

V

min

A

Common-Mode Rejection Ratio (CMRR)

Input Referred

72

66

65

dB

min

A

Input Impedance

Differential-Mode

10 || 2.1

——

k

Ω || pF

typ

C

Common-Mode

400 || 1.2

——

k

Ω || pF

typ

C

OUTPUT

Least Positive Output Voltage

0.03

0.05

0.05

V

max

A

0.05

0.15

0.16

V

max

A

Most Positive Output Voltage

2.95

2.85

2.84

V

min

A

2.85

2.66

2.60

V

min

A

Current Output, Sourcing

55

21

14

mA

min

A

Current Output, Sinking

55

18

11

mA

min

A

Short Circuit Current (output shorted to either supply)

80

——

mA

typ

C

Closed-Loop Output Impedance

Figure 2, f < 50kHz

0.6

——

Ω

typ

C

POWER SUPPLY

Minimum Operating Voltage

—

2.7

2.7

V

min

B

Maximum Operating Voltage

—

10.5

10.5

V

max

A

Maximum Quiescent Current

5.3

5.9

6.4

mA/chan

max

A

Minimum Quiescent Current

5.3

5.0

4.8

mA/chan

min

A

Power Supply Rejection Ratio (PSRR)

Input Referred

57

50

48

dB

min

A

THERMAL CHARACTERISTICS

Specification: U

–40 to +85

°C

typ

C

Thermal Resistance

U

SO-8

125

°C/W

typ

C

NOTE: (1) Test Levels: (A) 100% tested at 25

°C. Over temperature limits by characterization and simulation. (B) Limits set by characterization and simulation.

(C) Typical value only for information.