Datasheet > INA290-Q1_V01

INA290-Q1_V01

更新时间： 2024-11-22 02:50:15

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
27页	1705K
描述
INA290-Q1 AEC-Q100, 2.7-V to 120-V, 1.1-MHz, Ultra-Precise Current Sense Amplifier

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INA290-Q1_V01 数据手册

INA290-Q1

www.ti.com

SBOS995A – OCTOBER 2019 – REVISED NOVEMBER 2020

INA290-Q1 AEC-Q100, 2.7-V to 120-V, 1.1-MHz, Ultra-Precise Current Sense Amplifier

1 Features

3 Description

•

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 voltage:

– Operational voltage: 2.7 V to 120 V

– Survival voltage: −20 V to +122 V

Excellent CMRR:

– 160-dB DC

– 85-dB AC at 50 kHz

Accuracy

– Gain:

The INA290-Q1 is an ultra-precise current sense

amplifier that can measure voltage drops across shunt

resistors over a wide common-mode range from 2.7 V

to 120 V. It is in a highly space-efficient SC-70

package with a PCB footprint of only 2.0 mm × 2.1

mm. The ultra-precise current measurement accuracy

is achieved thanks to the combination of an ultra-low

offset voltage of ±12 µV (maximum), a small gain

error of ±0.1% (maximum), and a high DC CMRR of

160 dB (typical). The INA290-Q1 is not only designed

for DC current measurement, but also for high-speed

applications (like fast overcurrent protection, for

example) with a high bandwidth of 1.1 MHz (at gain of

20 V/V) and an 85-dB AC CMRR (at 50 kHz).

•

Gain error: ±0.1% (maximum)

Gain drift: ±5 ppm/°C (maximum)

The INA290-Q1 provides the capability to make ultra-

precise current measurements by sensing the voltage

drop across a shunt resistor over a wide common-

mode range from 2.7 V to 120 V. The INA290-Q1 is

available in the SC-70 package minimizing solution

size area.

– Offset:

•

Offset voltage: ±12 µV (maximum)

Offset drift: ±0.2 µV/°C (maximum)

•

Available gains:

Device Information

– A1 devices: 20 V/V

– A2 devices: 50 V/V

– A3 devices: 100 V/V

– A4 devices: 200 V/V

– A5 devices: 500 V/V

High bandwidth: 1.1 MHz

Slew rate: 2 V/µs

PART NUMBER

PACKAGE⁽¹⁾

BODY SIZE (NOM)

INA290-Q1

SC-70 (5)

2.00 mm × 1.25 mm

(1) For all available packages, see the package option

addendum at the end of the data sheet.

•

V_S

V_BUS

Quiescent current: 370 µA

I_SENSE

IN+

2 Applications

Current

R_SENSE

Bias

Feedback

•

Solid-state LiDAR

OUT

INœ

Buffer

Automotive HVAC compressor module

Automotive interior heater module

Automotive parking heater module

Automotive Pumps

ADC

Load

GND

Typical Application

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Product Folder Links: INA290-Q1

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与INA290-Q1_V01相关器件

型号	品牌	获取价格	描述	数据表
INA293	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器
INA293A1IDBVR	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器 \| DBV \| 5 \| -40
INA293A1IDBVT	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器 \| DBV \| 5 \| -40
INA293A1QDBVRQ1	TI	获取价格	INA293-Q1, AEC-Q100, â4-V to 110-V, 1-MHz,
INA293A2IDBVR	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器 \| DBV \| 5 \| -40
INA293A2IDBVT	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器 \| DBV \| 5 \| -40
INA293A2QDBVRQ1	TI	获取价格	INA293-Q1, AEC-Q100, â4-V to 110-V, 1-MHz,
INA293A3IDBVR	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器 \| DBV \| 5 \| -40
INA293A3IDBVT	TI	获取价格	-4V 至 110V、1.3MHz 超精密电流感应放大器 \| DBV \| 5 \| -40
INA293A3QDBVRQ1	TI	获取价格	INA293-Q1, AEC-Q100, â4-V to 110-V, 1-MHz,

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