INA331IDGKR

更新时间： 2024-11-29 22:29:15

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
17页	293K
描述
Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS

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INA331IDGKR 数据手册

INA331

INA2331

SBOS215B – DECEMBER 2001 – REVISED APRIL 2003

Low-Power, Single-Supply, CMOS

INSTRUMENTATION AMPLIFIERS

FEATURES

APPLICATIONS

ꢀ DESIGNED FOR LOW COST

ꢀ INDUSTRIAL SENSOR AMPLIFIERS:

Bridge, RTD, Thermocouple, Position

ꢀ HIGH GAIN ACCURACY: G = 5, 0.02%, 2ppm/°C

ꢀ GAIN SET WITH EXT. RESISTORS FOR > 5V/V

ꢀ LOW OFFSET VOLTAGE: ±250µV

ꢀ PHYSIOLOGICAL AMPLIFIERS:

ECG, EEG, EMG

ꢀ A/D CONVERTER SIGNAL CONDITIONING

ꢀ DIFFERENTIAL LINE RECEIVERS WITH GAIN

ꢀ FIELD UTILITY METERS

ꢀ HIGH CMRR: 94dB DC, 50dB at 45kHz

ꢀ LOW BIAS CURRENT: 0.5pA

ꢀ BANDWIDTH, SLEW RATE: 2.0MHz, 5V/µs

ꢀ RAIL-TO-RAIL OUTPUT SWING: (V+) – 0.02V

ꢀ WIDE TEMPERATURE RANGE: –55°C to +125°C

ꢀ LOW QUIESCENT CURRENT: 490µA max/chan

ꢀ SHUT DOWN: 0.01µA

ꢀ PCMCIA CARDS

ꢀ AUDIO AMPLIFIERS

ꢀ COMMUNICATION SYSTEMS

ꢀ TEST EQUIPMENT

ꢀ AUTOMOTIVE INSTRUMENTATION

ꢀ MSOP-8 SINGLE AND TSSOP-14 DUAL PACKAGES

The INA331 rejects line noise and its harmonics, because

common-mode error remains low even at higher frequencies.

DESCRIPTION

The INA331 and INA2331 are rail-to-rail output, low-power

CMOS instrumentation amplifiers that offer wide range, single-

supply operation as well as bipolar-supply operation. The

INA331 family provides low-cost, low-noise amplification of

differential signals with a low quiescent current of 415µA

(dropping to 0.01µA when shutdown). Returning to normal

operation within microseconds, this INA can be used for

battery or multi-channel applications.

High bandwidth and slew rate makes the INA331 ideal for

directly driving sampling Analog-to-Digital (A/D) converters

as well as general-purpose applications.

With high precision, low cost, and small packages, the

INA331 outperforms discrete designs.

Additionally, because they are specified for wide temperature

range of –55°C to +125°C and operating range of –65°C to

+150°C, they can be used in demanding industrial and

automotive environments.

Configured internally in a gain of 5V/V, the INA331 offers

flexibility in higher gains by choosing external resistors.

R₁

R₂

R_G

G = 5 + (5R₂/R₁)

INA2331

INA331

40kΩ

10kΩ

V_REF

40kΩ

Ch A

10kΩ

V_OUT

V_IN–

Ch B

V_IN+

V+

V–

Shutdown

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

12 3 4 5 6 7...17

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INA331IDGKR 替代型号

型号	品牌	替代类型	描述	数据表
INA331IDGKTG4	TI	类似代替	低功耗单电源 CMOS 仪表放大器 \| DGK \| 8 \| -55 to 125
INA331IDGKT	TI	功能相似	Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS

与INA331IDGKR相关器件

型号	品牌	获取价格	描述	数据表
INA331IDGKRG4	TI	获取价格	Low-Power, Single Supply, CMOS, Instrumentation Amplifier 8-VSSOP -55 to 125
INA331IDGKT	TI	获取价格	Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS
INA331IDGKTG4	TI	获取价格	低功耗单电源 CMOS 仪表放大器 \| DGK \| 8 \| -55 to 125
INA332	BB	获取价格	Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS
INA332	TI	获取价格	低功耗、单电源、CMOS、低成本仪表放大器
INA332AIDGKR	BB	获取价格	Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS
INA332AIDGKR	TI	获取价格	低功耗、单电源、CMOS、低成本仪表放大器 \| DGK \| 8 \| -55 to 125
INA332AIDGKRG4	TI	获取价格	低功耗、单电源、CMOS、低成本仪表放大器 \| DGK \| 8 \| -55 to 125
INA332AIDGKT	BB	获取价格	Low-Power, Single-Supply, CMOS INSTRUMENTATION AMPLIFIERS
INA332AIDGKT	TI	获取价格	低功耗、单电源、CMOS、低成本仪表放大器 \| DGK \| 8 \| -55 to 125

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