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INA180A3IDBVR

26V, 350kHz current sense amplifier

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

INA180A3IDBVR
Datasheet:

INA180A3IDBVR Datasheet (PDF)
Amplifier Type:

Current Sense
Number of Circuits:

1
Output Type:

Rail-to-Rail
Slew Rate:

2V/µs
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INA180A3IDBVR General Description

The INA180, INA2180, and INA4180 (INAx180) 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 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 draws a maximum supply current of 260 µA; whereas, the dual-channel INA2180 draws a maximum supply current of 500 µA, and the quad channel draws a maximum supply current of 900 µA.

The INA180 is available in a 5-pin, SOT-23 package with two different pin configurations. The INA2180 is available in 8-pin, VSSOP and WSON packages. The INA4180 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.

Key Features

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)

Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps	Series	-
Amplifier Type	Current Sense	Number of Circuits	1
Output Type	Rail-to-Rail	Slew Rate	2V/µs
-3db Bandwidth	350 kHz	Current - Input Bias	80 µA
Voltage - Input Offset	100 µV	Current - Supply	260µA
Voltage - Supply Span (Min)	2.7 V	Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 125°C	Mounting Type	Surface Mount
Base Product Number	INA180	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)	0.3
Number of channels	1	Comparators (#)	0
Gain error (%)	0.8	Gain error drift (±) (max) (ppm/°C)	20
Slew rate (V/µs)	2	Features	Low-side Capable
Rating	Catalog	Operating temperature range (°C)	-40 to 125
feature-type	Current Sense Amplifier	feature-number-of-elements-per-chip	1
feature-number-of-channels-per-chip	1	feature-rail-to-rail	Rail to Rail Output
feature-typical-gain-bandwidth-product-mhz		feature-maximum-voltage-gain-db	40(Typ)
feature-minimum-cmrr-db	84	feature-minimum-psrr-db	101.94(Typ)
feature-output-type		feature-maximum-input-offset-voltage-mv	0.5@5V
feature-maximum-input-bias-current-ua	80(Typ)@5V	feature-maximum-input-resistance-mohm
feature-maximum-power-dissipation-mw		feature-packaging	Tape and Reel
feature-rad-hard		feature-pin-count	5
feature-cecc-qualified		feature-esd-protection
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-eccn-code	EAR99	feature-svhc	Yes
feature-svhc-exceeds-threshold	No