INA4180-Q1 Texas instruments

INA4180-Q1

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INA4180-Q1

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Описание

The INA180 -Q1, INA2180 -Q1, and INA4180 -Q1 (INAx180 -Q1) current sense amplifiers are designed for cost-optimized applications. These devices are part of a family of current-sense amplifiers (also called current-shunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage. The INAx180 -Q1 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V. This matched gain resistor network minimizes gain error and reduces the temperature drift.All these devices operate from a single 2.7-V to 5.5-V power supply. The single-channel INA180 -Q1 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180 -Q1 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.The INA180 -Q1 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180 -Q1 is available in a 8-pin, VSSOP package. The INA4180 -Q1 is available in a 14-pin, TSSOP package. All device options are specified over the extended operating temperature range of –40°C to +125°C.

AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ T_A ≤ +125°C
- HBM ESD classification level 2
- CDM ESD classification level C6
Functional Safety-Capable
- Documentation available to aid functional safety system design
Common-mode range (V_CM): –0.2 V to +26 V
High bandwidth: 350 kHz (A1 devices)
Offset voltage:
- ±150 µV (maximum) at V_CM = 0 V
- ±500 µV (maximum) at V_CM = 12 V
Output slew rate: 2 V/µs
Accuracy:
- ±1% gain error (maximum)
- 1-µV/°C offset drift (maximum)
Gain options:
- 20 V/V (A1 devices)
- 50 V/V (A2 devices)
- 100 V/V (A3 devices)
- 200 V/V (A4 devices)
Quiescent current: 260 µA maximum (INA180-Q1)

Product type	Analog output
Common-mode voltage (max) (V)	26
Common-mode voltage (min) (V)	-0.2
Input offset (±) (max) (µV)	150
Input offset drift (±) (typ) (µV/°C)	0.2
Voltage gain (V/V)	20, 50, 100, 200
CMRR (min) (dB)	84
Bandwidth (kHz)	105, 150, 210, 350
Supply voltage (max) (V)	5.5
Supply voltage (min) (V)	2.7
Iq (max) (mA)	1
Number of channels	4
Comparators (#)	0
Gain error (%)	1
Gain error drift (±) (max) (ppm/°C)	20
Slew rate (V/µs)	2
Features	Low-side Capable, Quad channel
Rating	Automotive
TI functional safety category	Functional Safety-Capable
Operating temperature range (°C)	-40 to 125