Operational Amplifiers - Op Amps – Mouser United Kingdom

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OPAx991/OPAx991-Q1 Operational Amplifiers

Texas Instruments OPAx991/OPAx991-Q1 Low-Noise Operational Amplifiers (Op Amps) are high voltage (40V) general-purpose op amps. These are available in single (OPA991/OPA991-Q1), dual (OPA2991/OPA2991-Q1), and quad (OPA4991/OPA4991-Q1) versions. These devices offer exceptional DC precision and AC performance, including rail-to-rail input/output, low offset (±125µV, typ), low offset drift (±0.3µV/°C, typ), low noise (10.5nV/√Hz and 1.8µVPP), and 4.5MHz bandwidth. These devices have unique features such as differential and common-mode input-voltage range to the supply rail, high output current (±75mA), high slew rate (21V/µs), high capacitive load drive (1nF), and shutdown functionality. These features make the OPAx991 a robust, high-performance operational amplifier for high-voltage industrial applications.

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Part #

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

OPA4991QDRQ1
Texas Instruments
1: £3.12
7,149In Stock

Mfr. Part No.
OPA4991QDRQ1

Mouser Part No
595-OPA4991QDRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

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Datasheet

7,149In Stock

Cut Tape

£3.12

£2.37

£2.17

£1.96

View

Reel

£1.63

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

75 mA

75 dB

10.8 nV/sqrt Hz

SOIC-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power

OPA2991QPWRQ1
Texas Instruments
1: £1.78
2,627In Stock

Mfr. Part No.
OPA2991QPWRQ1

Mouser Part No
595-OPA2991QPWRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power

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Datasheet

2,627In Stock

Cut Tape

£1.78

£1.58

£1.50

£1.37

Reel

£1.15

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Min.: 1
Mult.: 1

: 3,000

21 V/us

TSSOP-8

SMD/SMT

OPA2991

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Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

OPA991TIDCKR
Texas Instruments
1: £1.58
7,802In Stock

Mfr. Part No.
OPA991TIDCKR

Mouser Part No
595-OPA991TIDCKR

Texas Instruments

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

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Datasheet

7,802In Stock

Cut Tape

£1.58

£1.16

£1.07

£0.952

Reel

£0.766

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Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

109 dB

9.4 nV/sqrt Hz

SC-70-5

SMD/SMT

No Shutdown

- 40 C

+ 125 C

2 fA

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IDR

OPA2991IPWR
Texas Instruments
1: £1.68
9,638In Stock

Mfr. Part No.
OPA2991IPWR

Mouser Part No
595-OPA2991IPWR

Texas Instruments

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IDR

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Datasheet

9,638In Stock

Cut Tape

£1.68

£1.25

£1.13

£1.01

Reel

£0.826

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Min.: 1
Mult.: 1

: 2,000

2 Channel

4.5 MHz

21 V/us

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA2991

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Operational Amplifiers - Op Amps Enhanced-product qu ad 40-V 4.5-MHz rai

OPA4991MDYYREP
Texas Instruments
1: £8.39
2,980In Stock

Mfr. Part No.
OPA4991MDYYREP

Mouser Part No
595-OPA4991MDYYREP

Texas Instruments

Operational Amplifiers - Op Amps Enhanced-product qu ad 40-V 4.5-MHz rai

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Datasheet

2,980In Stock

Cut Tape

£8.39

£6.56

£6.10

£5.60

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Reel

£5.09

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

830 uV

10 pA

40 V

2.7 V

75 mA

130 dB

10.8 nV/sqrt Hz

SOT-23-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power

OPA2991QDGKRQ1
Texas Instruments
1: £2.21
16,485In Stock

Mfr. Part No.
OPA2991QDGKRQ1

Mouser Part No
595-OPA2991QDGKRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power

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Datasheet

16,485In Stock

Cut Tape

£2.21

£1.65

£1.52

£1.36

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£1.20

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MouseReel Available

Min.: 1
Mult.: 1

: 2,500

2 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

VSSOP-8

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA2991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

OPA4991QDYYRQ1
Texas Instruments
1: £3.16
11,734In Stock

Mfr. Part No.
OPA4991QDYYRQ1

Mouser Part No
595-OPA4991QDYYRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

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Datasheet

11,734In Stock

Cut Tape

£3.16

£2.38

£2.19

£1.98

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Reel

£1.64

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

75 dB

10.8 nV/sqrt Hz

SOT-23-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

OPA991IDBVR
Texas Instruments
1: £1.23
35,897In Stock

Mfr. Part No.
OPA991IDBVR

Mouser Part No
595-OPA991IDBVR

Texas Instruments

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

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Datasheet

35,897In Stock

Cut Tape

£1.23

£0.899

£0.818

£0.726

Reel

£0.608

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

750 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SOT-23-5

SMD/SMT

No Shutdown

- 40 C

+ 125 C

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow

OPA991SQDBVRQ1
Texas Instruments
1: £1.57
2,486In Stock

Mfr. Part No.
OPA991SQDBVRQ1

Mouser Part No
595-OPA991SQDBVRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow

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Datasheet

2,486In Stock

Cut Tape

£1.57

£1.16

£1.06

£0.943

Reel

£0.788

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

75 dB

10.8 nV/sqrt Hz

SOT-23-6

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation

OPA2991IDGKR
Texas Instruments
1: £1.96
20,848In Stock

Mfr. Part No.
OPA2991IDGKR

Mouser Part No
595-OPA2991IDGKR

Texas Instruments

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

20,848In Stock

Cut Tape

£1.96

£1.46

£1.33

£1.19

View

Reel

£0.986

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

2 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

VSSOP-8

SMD/SMT

Shutdown

- 40 C

+ 125 C

2 fA

OPA2991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

OPA4991QPWRQ1
Texas Instruments
1: £3.12
7,216In Stock

Mfr. Part No.
OPA4991QPWRQ1

Mouser Part No
595-OPA4991QPWRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

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Datasheet

7,216In Stock

Cut Tape

£3.12

£2.37

£2.17

£1.96

View

Reel

£1.73

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

TSSOP-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation

OPA2991IDDFR
Texas Instruments
1: £1.90
3,649In Stock

Mfr. Part No.
OPA2991IDDFR

Mouser Part No
595-OPA2991IDDFR

Texas Instruments

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

3,649In Stock

Cut Tape

£1.90

£1.41

£1.29

£1.15

Reel

£0.978

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

2 Channel

4.5 MHz

21 V/us

750 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SOT-23-THIN-8

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA2991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps 16

OPA2991IDSGR
Texas Instruments
1: £1.85
1,143In Stock
4,950Expected 05/10/2026

Mfr. Part No.
OPA2991IDSGR

Mouser Part No
595-OPA2991IDSGR

Texas Instruments

Operational Amplifiers - Op Amps 16

Learn More

Datasheet

1,143In Stock

4,950Expected 05/10/2026

Cut Tape

£1.85

£1.37

£1.26

£1.13

Reel

£0.943

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

2 Channel

4.5 MHz

21 V/us

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

WSON-8

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA2991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power

OPA2991QDRQ1
Texas Instruments
1: £2.21
3,751In Stock

Mfr. Part No.
OPA2991QDRQ1

Mouser Part No
595-OPA2991QDRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive dual 40 - V 4.5-MHz low-power

Learn More

Datasheet

3,751In Stock

Cut Tape

£2.21

£1.65

£1.52

£1.36

Reel

£1.15

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

2 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

107 dB

10.8 nV/sqrt Hz

SOIC-8

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA2991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

OPA4991IPWR
Texas Instruments
1: £2.69
6,853In Stock

Mfr. Part No.
OPA4991IPWR

Mouser Part No
595-OPA4991IPWR

Texas Instruments

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

6,853In Stock

Cut Tape

£2.69

£2.03

£1.86

£1.68

Reel

£1.48

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

TSSOP-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

2 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

OPA991SIDBVR
Texas Instruments
1: £1.34
7,159In Stock

Mfr. Part No.
OPA991SIDBVR

Mouser Part No
595-OPA991SIDBVR

Texas Instruments

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

Learn More

Datasheet

7,159In Stock

Cut Tape

£1.34

£0.986

£0.89

£0.796

Reel

£0.667

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

750 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SOT-23-6

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation

OPA2991SIRUGR
Texas Instruments
1: £2.16
6,680In Stock

Mfr. Part No.
OPA2991SIRUGR

Mouser Part No
595-OPA2991SIRUGR

Texas Instruments

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

6,680In Stock

Cut Tape

£2.16

£1.62

£1.48

£1.33

Reel

£1.13

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

2 Channel

4.5 MHz

21 V/us

750 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

X2QFN-10

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA2991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

OPA4991IDYYR
Texas Instruments
1: £2.63
2,458In Stock

Mfr. Part No.
OPA4991IDYYR

Mouser Part No
595-OPA4991IDYYR

Texas Instruments

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

2,458In Stock

Cut Tape

£2.63

£1.98

£1.82

£1.63

Reel

£1.40

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

75 mA

75 dB

10.8 nV/sqrt Hz

SOT-23-THIN-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

2 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

OPA4991TQPWRQ1
Texas Instruments
1: £3.33
1,904In Stock

Mfr. Part No.
OPA4991TQPWRQ1

Mouser Part No
595-OPA4991TQPWRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive quad 40 - V 4.5-MHz low-pow

Learn More

Datasheet

1,904In Stock

Cut Tape

£3.33

£2.53

£2.33

£2.10

View

Reel

£1.80

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 dB

10.8 nV/sqrt Hz

TSSOP-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

OPA4991IDR
Texas Instruments
1: £2.69
95In Stock
5,000Expected 14/10/2026

Mfr. Part No.
OPA4991IDR

Mouser Part No
595-OPA4991IDR

Texas Instruments

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

95In Stock

5,000Expected 14/10/2026

Cut Tape

£2.69

£2.03

£1.86

£1.68

Reel

£1.48

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

4 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SOIC-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

OPA991IDCKR
Texas Instruments
1: £1.09
540In Stock
9,000Expected 21/09/2026

Mfr. Part No.
OPA991IDCKR

Mouser Part No
595-OPA991IDCKR

Texas Instruments

Operational Amplifiers - Op Amps Single 40-V 4.5-MHz low-power operation

Learn More

Datasheet

540In Stock

9,000Expected 21/09/2026

Cut Tape

£1.09

£0.796

£0.717

£0.636

Reel

£0.548

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

750 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SC-70-5

SMD/SMT

Shutdown

- 40 C

+ 125 C

2 fA

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow

OPA991QDBVRQ1
Texas Instruments
1: £1.48
157In Stock
18,000Expected 05/11/2026

Mfr. Part No.
OPA991QDBVRQ1

Mouser Part No
595-OPA991QDBVRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow

Learn More

Datasheet

157In Stock

18,000Expected 05/11/2026

Cut Tape

£1.48

£1.09

£0.995

£0.882

Reel

£0.675

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

895 uV

10 pA

40 V

2.7 V

75 mA

130 dB

10.8 nV/sqrt Hz

SOT-23-5

SMD/SMT

No Shutdown

- 40 C

+ 125 C

82 fA

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

OPA4991IRUCR
Texas Instruments
1: £2.85
69In Stock
24,000On Order

Mfr. Part No.
OPA4991IRUCR

Mouser Part No
595-OPA4991IRUCR

Texas Instruments

Operational Amplifiers - Op Amps Quad 40-V 4.5-MHz lo w-power operation

Learn More

Datasheet

69In Stock

24,000On Order

Cut Tape

£2.85

£2.15

£1.97

£1.78

View

Reel

£1.53

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

4 Channel

4.5 MHz

21 V/us

750 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

QFN-14

SMD/SMT

Shutdown

- 40 C

+ 125 C

OPA4991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow

OPA991QDCKRQ1
Texas Instruments
1: £1.40
23In Stock
3,000Expected 19/10/2026

Mfr. Part No.
OPA991QDCKRQ1

Mouser Part No
595-OPA991QDCKRQ1

Texas Instruments

Operational Amplifiers - Op Amps Automotive single 40 -V 4.5-MHz low-pow

Learn More

Datasheet

23In Stock

3,000Expected 19/10/2026

Cut Tape

£1.40

£1.03

£0.943

£0.818

Reel

£0.675

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

1 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

75 dB

10.8 nV/sqrt Hz

SC-70-5

SMD/SMT

Shutdown

- 40 C

+ 125 C

82 fA

OPA991

Reel, Cut Tape, MouseReel

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IPWR

OPA2991IDR
Texas Instruments
1: £1.90
27,183On Order

Mfr. Part No.
OPA2991IDR

Mouser Part No
595-OPA2991IDR

Texas Instruments

Operational Amplifiers - Op Amps Dual 40-V 4.5-MHz lo w-power operation A A 595-OPA2991IPWR

Learn More

Datasheet

27,183On Order

Cut Tape

£1.90

£1.41

£1.28

£1.15

Reel

£0.995

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

2 Channel

4.5 MHz

21 V/us

125 uV

10 pA

40 V

2.7 V

560 uA

75 mA

130 dB

10.8 nV/sqrt Hz

SOIC-8

SMD/SMT

Shutdown

- 40 C

+ 125 C

2 fA

OPA2991

Reel, Cut Tape, MouseReel

OPAx991/OPAx991-Q1 Operational Amplifiers

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