INA199-Q1 Texas instruments

INA199-Q1

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INA199-Q1

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Описание

The INA199-Q1 is a voltage-output, current-sense amplifier that can sense drops across shunts at common-mode voltages from –0.1 V to 26V, independent of the supply voltage. Three fixed gains are available: 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 10-mV full-scale.This device operates from a single 2.7-V to 26-V power supply, drawing a maximum of 100 µA of supply current. All gain options are specified from –40°C to +125°C, and are offered in a 6-pin SC70 package.

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
Wide common-mode range: –0.1 V to 26 V
Offset voltage: ±150 µV (maximum) (enables shunt drops of 10-mV full-scale)
Accuracy:
- Gain error (maximum over temperature):
  - ±1% (C version)
  - ±1.5% (B version)
- Offset drift: 0.5-µV/°C (maximum)
- Gain drift: 10-ppm/°C (maximum)
Choice of gains:
- INA199x1-Q1: 50 V/V
- INA199x2-Q1: 100 V/V
- INA199x3-Q1: 200 V/V
Quiescent current: 100 µA (maximum)
Package: 6-pin SC70

Product type	Analog output
Common-mode voltage (max) (V)	26
Common-mode voltage (min) (V)	-0.3
Input offset (±) (max) (µV)	150
Input offset drift (±) (typ) (µV/°C)	0.1
Voltage gain (V/V)	50, 100, 200
CMRR (min) (dB)	100
Bandwidth (kHz)	14, 30, 80
Supply voltage (max) (V)	26
Supply voltage (min) (V)	2.7
Iq (max) (mA)	0.115
Number of channels	1
Comparators (#)	0
Gain error (%)	1, 1.5
Gain error drift (±) (max) (ppm/°C)	10
Slew rate (V/µs)	0.4
Features	Bi-directional, Low-side Capable
Rating	Automotive
TI functional safety category	Functional Safety-Capable
Operating temperature range (°C)	-40 to 125