OPA890

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SBOS369B – MAY 2007 – REVISED DECEMBER 2009

Boldface limits are tested at +25°C.

OPA890ID, IDBV

TYP

MIN/MAX OVER TEMPERATURE

0°C to

–40°C to

MIN/

TEST

PARAMETER

CONDITIONS

+25°C

+25°C

(2)

+70°C

(3)

+85°C

(3)

UNITS

MAX

LEVEL

(1)

AC PERFORMANCE

Small-Signal Bandwidth

260

MHz

typ

C

115

75

65

60

MHz

min

B

13

9

8

7.5

MHz

min

B

Gain Bandwidth Product

G > +20V/V

130

100

90

85

MHz

min

B

Bandwidth for 0.1dB Flatness

20

MHz

typ

C

Peaking at a Gain of +1V/V

1

dB

typ

C

Large-Signal Bandwidth

170

MHz

typ

C

Slew Rate

500

325

300

275

V/

μs

min

B

Rise-and-Fall Time

0.2V Step

3.5

ns

typ

C

Settling Time to 0.02%

16

ns

typ

C

Settling Time to 0.1%

10

ns

typ

C

Harmonic Distortion

2nd-Harmonic

–88

–78

–76

–75

dBc

max

B

–102

–84

–82

–80

dBc

max

B

3rd-Harmonic

–89

–84

–81

–80

dBc

max

B

–94

–90

–87

–86

dBc

max

B

Input Voltage Noise

f > 100kHz

8

9

10

11

nV/

√Hz

max

B

Input Current Noise

f > 100kHz

1

1.3

1.7

1.9

pA/

√Hz

max

B

Differential Gain

0.05

%

typ

C

Differential Phase

0.03

°

typ

C

DC PERFORMANCE

(4)

62

57

56

54

dB

min

A

Input Offset Voltage

±1

±5

±5.7

±6

mV

max

A

Average Offset Voltage Drift

±15

±15

μV/°C

max

B

Input Bias Current

±0.1

±1.6

±1.8

±2

μA

max

A

Average Input Bias Current Drift

±5

±6

nA/°C

max

B

Input Offset Current

±70

±350

±450

±500

nA

max

A

Average Input Offset Current Drift

±2.5

±2.5

nA/°C

max

B

INPUT

Common-Mode Input Range (CMIR)

(5)

±3.9

±3.7

±3.6

±3.5

V

min

A

Common-Mode Rejection Ratio (CMRR)

67

61

58

57

dB

min

A

Input Impedance

Differential

190 || 0.6

k

Ω || pF

typ

C

Common-Mode

3.2 || 0.9

M

Ω || pF

typ

C

OUTPUT

Output Voltage Swing

No Load

±4.0

±3.9

±3.8

±3.7

V

min

A

±3.5

±3.1

±3.05

±2.9

V

min

A

Output Current, Sourcing, Sinking

±40

±35

±33

±30

mA

min

A

Peak Output Current

Output Shorted to Ground

±75

mA

typ

C

Closed-Loop Output Impedance

G = +2V/V, f = 100kHz

0.04

Ω

typ

C

(1)

Test levels: (A) 100% tested at +25°C. Over temperature limits set by characterization and simulation. (B) Limits set by characterization

and simulation. (C) Typical value only for information.

(2)

Junction temperature = ambient for +25°C tested specifications.

(3)

Junction temperature = ambient at low temperature limit; junction temperature = ambient +2°C at high temperature limit for over

temperature specifications.

(4)

(5)

Tested < 3dB below minimum specified CMRR at ±CMIR limits

Copyright © 2007–2009, Texas Instruments Incorporated

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