Current Sense Amplifiers

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INA199/INA199-Q1 Current Shunt Monitors

Texas Instruments INA199/INA199-Q1 Voltage Output Current Shunt Monitors are commonly used for overcurrent protection, precision current measurement for system optimization, or in closed-loop feedback circuits. These devices can sense drops across shunt resistors at common-mode voltages from –0.3V to 26V, independent of the supply voltage. The INA199/INA199-Q1 comes in three fixed gains (50V/V, 100V/V, and 200V/V). The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10mV full-scale. These devices can operate from a single 2.7V to 26V power supply, drawing a maximum of 100µA of supply current. All versions are specified from –40°C to 105°C and are offered in both SC70-6 and thin UQFN-10 packages. The INA199-Q1 devices are AEC-Q100 qualified for automotive applications.

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Part #

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKR

INA199A1DCKT
Texas Instruments
1: S/4.94
38,832In Stock

Mfr. Part #
INA199A1DCKT

Mouser Part #
595-INA199A1DCKT

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKR

Datasheet

38,832In Stock

Cut Tape

S/4.94

S/3.58

S/3.24

S/2.86

Reel

S/2.68

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3DCKR

INA199A3DCKT
Texas Instruments
1: S/4.94
27,063In Stock

Mfr. Part #
INA199A3DCKT

Mouser Part #
595-INA199A3DCKT

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3DCKR

Datasheet

27,063In Stock

Cut Tape

S/4.94

S/3.58

S/3.24

S/2.86

Reel

S/2.42

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKR

INA199B2DCKT
Texas Instruments
1: S/4.94
15,532In Stock

Mfr. Part #
INA199B2DCKT

Mouser Part #
595-INA199B2DCKT

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKR

Datasheet

15,532In Stock

Cut Tape

S/4.94

S/3.60

S/3.25

S/2.88

Reel

S/2.46

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2RSWT

INA199A2RSWR
Texas Instruments
1: S/2.49
5,004In Stock

Mfr. Part #
INA199A2RSWR

Mouser Part #
595-INA199A2RSWR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2RSWT

Datasheet

5,004In Stock

Cut Tape

S/2.49

S/1.77

S/1.59

S/1.39

View

Reel

S/1.07

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B1RSWT

INA199B1RSWR
Texas Instruments
1: S/2.30
4,748In Stock

Mfr. Part #
INA199B1RSWR

Mouser Part #
595-INA199B1RSWR

Texas Instruments

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B1RSWT

Datasheet

4,748In Stock

Cut Tape

S/2.30

S/1.63

S/1.46

S/1.27

View

Reel

S/0.977

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKR

INA199B1DCKT
Texas Instruments
1: S/4.94
6,763In Stock

Mfr. Part #
INA199B1DCKT

Mouser Part #
595-INA199B1DCKT

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKR

Datasheet

6,763In Stock

Cut Tape

S/4.94

S/3.58

S/3.24

S/2.86

Reel

S/2.68

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3DCKT

INA199C3DCKR
Texas Instruments
1: S/3.39
6,772In Stock
18,000Expected 9/21/2026

Mfr. Part #
INA199C3DCKR

Mouser Part #
595-INA199C3DCKR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3DCKT

Datasheet

6,772In Stock

18,000Expected 9/21/2026

Cut Tape

S/3.39

S/2.41

S/2.17

S/1.91

Reel

S/1.60

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1RSWT

INA199A1RSWR
Texas Instruments
1: S/2.49
7,167In Stock

Mfr. Part #
INA199A1RSWR

Mouser Part #
595-INA199A1RSWR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1RSWT

Datasheet

7,167In Stock

Cut Tape

S/2.49

S/1.77

S/1.59

S/1.39

Reel

S/1.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V Bi-Dir 0-Drift C urr Shunt Monitor A A 595-INA199A2DCKT

INA199A2DCKR
Texas Instruments
1: S/2.49
14,147In Stock

Mfr. Part #
INA199A2DCKR

Mouser Part #
595-INA199A2DCKR

Texas Instruments

Current Sense Amplifiers 26V Bi-Dir 0-Drift C urr Shunt Monitor A A 595-INA199A2DCKT

Datasheet

14,147In Stock

Cut Tape

S/2.49

S/1.77

S/1.59

S/1.39

Reel

S/1.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKT

INA199B2DCKR
Texas Instruments
1: S/2.61
6,381In Stock

Mfr. Part #
INA199B2DCKR

Mouser Part #
595-INA199B2DCKR

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B2DCKT

Datasheet

6,381In Stock

Cut Tape

S/2.61

S/1.85

S/1.66

S/1.45

Reel

S/1.18

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C1DCKT

INA199C1DCKR
Texas Instruments
1: S/3.81
23,764In Stock

Mfr. Part #
INA199C1DCKR

Mouser Part #
595-INA199C1DCKR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C1DCKT

Datasheet

23,764In Stock

Cut Tape

S/3.81

S/2.74

S/2.47

S/2.17

Reel

S/1.83

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C2DCKT

INA199C2DCKR
Texas Instruments
1: S/3.50
3,207In Stock

Mfr. Part #
INA199C2DCKR

Mouser Part #
595-INA199C2DCKR

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C2DCKT

Datasheet

3,207In Stock

Cut Tape

S/3.50

S/2.48

S/2.22

S/1.94

Reel

S/1.59

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2DCKR

INA199A2DCKT
Texas Instruments
1: S/4.94
829In Stock

Mfr. Part #
INA199A2DCKT

Mouser Part #
595-INA199A2DCKT

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A2DCKR

Datasheet

829In Stock

Cut Tape

S/4.94

S/3.58

S/3.24

S/2.86

Reel

S/2.76

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B2RSWT

INA199B2RSWR
Texas Instruments
1: S/2.37
1,701In Stock

Mfr. Part #
INA199B2RSWR

Mouser Part #
595-INA199B2RSWR

Texas Instruments

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B2RSWT

Datasheet

1,701In Stock

Cut Tape

S/2.37

S/1.65

S/1.48

S/1.30

Reel

S/1.01

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B3RSWT

INA199B3RSWR
Texas Instruments
1: S/2.30
963In Stock

Mfr. Part #
INA199B3RSWR

Mouser Part #
595-INA199B3RSWR

Texas Instruments

Current Sense Amplifiers VOUT Hi/Lo Side Bi-D irect Zero-Drift A A 595-INA199B3RSWT

Datasheet

963In Stock

Cut Tape

S/2.30

S/1.63

S/1.46

S/1.27

Reel

S/1.01

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199C3QDCKRQ1
Texas Instruments
1: S/3.39
1,028In Stock

Mfr. Part #
INA199C3QDCKRQ1

Mouser Part #
595-INA199C3QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

1,028In Stock

Cut Tape

S/3.39

S/3.03

S/2.86

Reel

S/2.03

S/2.00

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKT

INA199A1DCKR
Texas Instruments
1: S/2.49
508In Stock
36,000Expected 11/26/2026

Mfr. Part #
INA199A1DCKR

Mouser Part #
595-INA199A1DCKR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A1DCKT

Datasheet

508In Stock

36,000Expected 11/26/2026

Cut Tape

S/2.49

S/1.77

S/1.59

S/1.39

Reel

S/1.12

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

100 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3RSWT

INA199A3RSWR
Texas Instruments
1: S/2.49
798In Stock

Mfr. Part #
INA199A3RSWR

Mouser Part #
595-INA199A3RSWR

Texas Instruments

Current Sense Amplifiers Vltg Output Hi/Low M smt Bi-Dir 0-Drift A 595-INA199A3RSWT

Datasheet

798In Stock

Cut Tape

S/2.49

S/1.77

S/1.59

S/1.39

Reel

S/1.11

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

UQFN-10

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKT

INA199B1DCKR
Texas Instruments
1: S/2.72
1,763In Stock
12,000Expected 12/17/2026

Mfr. Part #
INA199B1DCKR

Mouser Part #
595-INA199B1DCKR

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B1DCKT

Datasheet

1,763In Stock

12,000Expected 12/17/2026

Cut Tape

S/2.72

S/1.90

S/1.70

S/1.49

Reel

S/1.21

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199B2QDCKRQ1
Texas Instruments
1: S/3.00
3,989In Stock

Mfr. Part #
INA199B2QDCKRQ1

Mouser Part #
595-INA199B2QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

3,989In Stock

Cut Tape

S/3.00

S/2.14

S/1.92

S/1.69

Reel

S/1.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKT

INA199B3DCKR
Texas Instruments
1: S/2.30
3,151In Stock

Mfr. Part #
INA199B3DCKR

Mouser Part #
595-INA199B3DCKR

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKT

Datasheet

3,151In Stock

Cut Tape

S/2.30

S/1.63

S/1.46

S/1.27

Reel

S/1.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKR

INA199B3DCKT
Texas Instruments
1: S/4.94
1,172In Stock

Mfr. Part #
INA199B3DCKT

Mouser Part #
595-INA199B3DCKT

Texas Instruments

Current Sense Amplifiers VOut Hi/Low Side Msm t BiDir 0-Drift A 5 A 595-INA199B3DCKR

Datasheet

1,172In Stock

Cut Tape

S/4.94

S/3.58

S/3.24

S/2.86

Reel

S/2.69

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

115 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199C1QDCKRQ1
Texas Instruments
1: S/4.32
75In Stock
6,000Expected 1/21/2027

Mfr. Part #
INA199C1QDCKRQ1

Mouser Part #
595-INA199C1QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

75In Stock

6,000Expected 1/21/2027

Cut Tape

S/4.32

S/3.09

S/2.79

S/2.46

Reel

S/1.93

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

80 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

Reel, Cut Tape, MouseReel

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

INA199C2QDCKRQ1
Texas Instruments
1: S/3.39
783In Stock

Mfr. Part #
INA199C2QDCKRQ1

Mouser Part #
595-INA199C2QDCKRQ1

Texas Instruments

Current Sense Amplifiers AEC-Q100 26V bi-di r ectional current se

Datasheet

783In Stock

Cut Tape

S/3.39

S/2.92

S/2.73

S/2.40

Reel

S/1.99

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

INA199

1 Channel

30 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

AEC-Q100

Reel, Cut Tape, MouseReel

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3DCKR

INA199C3DCKT
Texas Instruments
1: S/6.15
27In Stock

Mfr. Part #
INA199C3DCKT

Mouser Part #
595-INA199C3DCKT

Texas Instruments

Current Sense Amplifiers 26V bi-directional c urrent sense amplif A 595-INA199C3DCKR

Datasheet

27In Stock

Cut Tape

S/6.15

S/4.48

S/4.09

S/3.60

Reel

S/3.37

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

INA199

1 Channel

14 kHz

12 V

120 dB

28 uA

5 uV

26 V

2.7 V

65 uA

0.03 %

- 40 C

+ 125 C

SMD/SMT

SC-70-6

Reel, Cut Tape, MouseReel

INA199/INA199-Q1 Current Shunt Monitors

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