Datasheet > INA823DGKR

INA823DGKR

更新时间： 2024-11-14 02:50:59

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
40页	3914K
描述
INA823 Precision, Low-Power, Wide-Supply (2.7-V to 36-V) Instrumentation Amplifier

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INA823DGKR 数据手册

INA823

SBOSA75B – JULY 2021 – REVISED NOVEMBER 2021

INA823 Precision, Low-Power, Wide-Supply (2.7-V to 36-V) Instrumentation Amplifier

1 Features

3 Description

•

Input overvoltage protection up to ±60 V

Input voltage extends 150 mV below negative

supply

Low power supply current: 180 µA (typ)

Precision performance:

– Low offset voltage: 20 µV (typ), 100 µV (max)

– Low input bias current: 8nA (max)

– Common-mode rejection:

The INA823 is an integrated instrumentation amplifier

that offers low power consumption and operates

over a wide, single-supply or dual-supply range.

A single external resistor sets any gain from 1

to 10,000. The device provides low input offset

voltage, low offset voltage drift, low input bias

current, and low current noise while remaining

cost-effective. Additional circuitry protects the inputs

against overvoltage up to ±60 V.

•

84 dB, G = 1 (min)

104 dB, G = 10 (min)

120 dB, G ≥ 100 (min)

The INA823 is optimized to provide a high common-

mode rejection ratio. At G = 1, the common-mode

rejection ratio exceeds 84 dB across the full input

common-mode range. The INA823 has a wide

common-mode voltage range as low as 150-mV

below negative supply. The device is designed for

low-voltage operation from a 2.7-V single supply, and

dual supplies up to ±18 V. The low power and single

supply operation enable hand-held, battery-operated

systems.

– Power supply rejection: 100 dB, G = 1 (min)

Input voltage noise: 21 nV/√Hz

Bandwidth: 1.9 MHz (G = 1), 60 kHz (G = 100)

Stable with 1-nF capacitive loads

Supply range:

•

– Single-supply: 2.7 V to 36 V

– Dual-supply: ±1.35 V to ±18 V

Specified temperature range: –40°C to +125°C

Packages: 8-pin SOIC and 8-pin VSSOP

•

Device Information

PART NUMBER

INA823

PACKAGE⁽¹⁾

BODY SIZE (NOM)

4.90 mm × 3.91 mm

3.00 mm x 3.00 mm

2 Applications

SOIC (8)

VSSOP (8)

•

Flow transmitter

Wearable fitness and activity monitor

Infusion pump

Blood glucose monitor

Electrocardiogram (ECG)

Surgical equipment

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

addendum at the end of the data sheet.

Weigh scale

Analog input module

Process analytics (pH, gas, concentration, force

and humidity)

•

Battery test

+VS

Overvoltage

Protection

50 k

–

50 k

–

50 k

OUT

REF

+IN

–

Overvoltage

Protection

50 k

INA823 Simplified Internal Schematic

Typical Distribution of

Input Stage Offset Voltage Drift

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.

12 3 4 5 6 7...40

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与INA823DGKR相关器件

型号	品牌	获取价格	描述	数据表
INA823DGKT	TI	获取价格	INA823 Precision, Low-Power, Wide-Supply (2.7-V to 36-V) Instrumentation Amplifier
INA823DR	TI	获取价格	INA823 Precision, Low-Power, Wide-Supply (2.7-V to 36-V) Instrumentation Amplifier
INA823DT	TI	获取价格	INA823 Precision, Low-Power, Wide-Supply (2.7-V to 36-V) Instrumentation Amplifier
INA826	TI	获取价格	Precision, 200-μA Supply Current, 2.7-V to 36
INA826_1112	TI	获取价格	Precision, 200-μA Supply Current, 2.7-V to 36
INA826_12	TI	获取价格	Precision, 200-Î¼A Supply Current, 2.7-V to 3
INA826_13	TI	获取价格	Supply Instrumentation Amplifier
INA826AID	TI	获取价格	Precision, 200-μA Supply Current, 2.7-V to 36
INA826AIDGK	TI	获取价格	Precision, 200-μA Supply Current, 2.7-V to 36
INA826AIDGKR	TI	获取价格	Precision, 200-μA Supply Current, 2.7-V to 36

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