Datasheet > INA333_3

INA333_3

更新时间： 2024-11-19 11:08:31

品牌	Logo	应用领域
德州仪器 - TI		仪表放大器
页数	文件大小	规格书
25页	762K
描述
Micro-Power (50mA), Zer?-Drift, Rail-to-Rail Out Instrumentation Amplifier

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INA333_3 数据手册

INA333

www.ti.com ..................................................................................................................................................... SBOS445B–JULY 2008–REVISED OCTOBER 2008

Micro-Power (50µA), Zerø-Drift, Rail-to-Rail Out

Instrumentation Amplifier

FEATURES

DESCRIPTION

•

LOW OFFSET VOLTAGE: 25µV (max), G ≥ 100

The INA333 is a low-power, precision instrumentation

amplifier offering excellent accuracy. The versatile

3-op amp design, small size, and low power make it

ideal for a wide range of portable applications.

•

LOW DRIFT: 0.1µV/°C, G ≥ 100

LOW NOISE: 50nV/√Hz, G ≥ 100

HIGH CMRR: 100dB (min), G ≥ 10

A single external resistor sets any gain from 1 to

1000. The INA333 is designed to use an

industry-standard gain equation: G = 1 + (100kΩ/R_G).

LOW INPUT BIAS CURRENT: 200pA (max)

SUPPLY RANGE: +1.8V to +5.5V

INPUT VOLTAGE: (V–) +0.1V to (V+) –0.1V

OUTPUT RANGE: (V–) +0.05V to (V+) –0.05V

LOW QUIESCENT CURRENT: 50µA

OPERATING TEMPERATURE: –40°C to +125°C

RFI FILTERED INPUTS

The INA333 provides very low offset voltage (25µV,

G ≥ 100), excellent offset voltage drift (0.1µV/°C,

G ≥ 100), and high common-mode rejection (100dB

at G ≥ 10). It operates with power supplies as low as

1.8V (±0.9V), and quiescent current is only

50µA—ideal for battery-operated systems. Using

autocalibration techniques to ensure excellent

precision over the extended industrial temperature

range, the INA333 also offers exceptionally low noise

density (50nV/√Hz) that extends down to dc.

MSOP-8 AND DFN-8 PACKAGES

APPLICATIONS

•

BRIDGE AMPLIFIERS

ECG AMPLIFIERS

The INA333 is available in both MSOP-8 and DFN-8

surface-mount packages and is specified over the

T_A= –40°C to +125°C temperature range.

PRESSURE SENSORS

MEDICAL INSTRUMENTATION

PORTABLE INSTRUMENTATION

WEIGH SCALES

THERMOCOUPLE AMPLIFIERS

RTD SENSOR AMPLIFIERS

DATA ACQUISITION

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Sample Request

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V+

V_IN-

RFI Filtered Inputs

150kW

A₁

RFI Filtered Inputs

50kW

V_OUT

A₃

R_G

50kW

RFI Filtered Inputs

150kW

REF

A₂

V_IN+

INA333

100kW

V-

G = 1 +

R_G

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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与INA333_3相关器件

型号	品牌	获取价格	描述	数据表
INA333AIDGKR	TI	获取价格	Micro-Power (50uA), Zer┆-Drift, Rail-to-Rail
INA333AIDGKRG4	TI	获取价格	Micro-Power (50mA), Zer?-Drift, Rail-to-Rail Out Instrumentation Amplifier
INA333AIDGKT	TI	获取价格	Micro-Power (50uA), Zer┆-Drift, Rail-to-Rail
INA333AIDGKTG4	TI	获取价格	Micro-Power (50mA), Zer?-Drift, Rail-to-Rail Out Instrumentation Amplifier
INA333AIDRGR	TI	获取价格	Micro-Power (50uA), Zer┆-Drift, Rail-to-Rail
INA333AIDRGT	TI	获取价格	Micro-Power (50uA), Zer┆-Drift, Rail-to-Rail
INA333-HT	TI	获取价格	Micro-Power, Zerø-Drift, Rail-to-Rail Out Ins
INA333-Q1	TI	获取价格	汽车类低功耗零漂移精密仪表放大器
INA333QDGKRQ1	TI	获取价格	汽车类低功耗零漂移精密仪表放大器 \| DGK \| 8 \| -40 to 125
INA333SHKJ	TI	获取价格	Micro-Power, Zerø-Drift, Rail-to-Rail Out Ins

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