Datasheet > OPA378_2

OPA378_2

更新时间： 2024-11-04 05:58:23

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
27页	791K
描述
Low-Noise, 900kHz, RRIO, Precision OPERATIONAL AMPLIFIER Zerø-Drift Series

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OPA378_2 数据手册

OPA378

OPA2378

www.ti.com

SBOS417D –JANUARY 2008–REVISED OCTOBER 2009

Low-Noise, 900kHz, RRIO,

Precision OPERATIONAL AMPLIFIER

Zerø-Drift Series

Check for Samples: OPA378 OPA2378

FEATURES

DESCRIPTION

•

LOW NOISE

The OPA378 and OPA2378 represent

a new

generation of Zerø-Drift, microPOWER™ operational

amplifiers that use a proprietary auto-calibration

technique to provide minimal input offset voltage

(20μV) and offset voltage drift (0.1μV/°C). The

combination of low input voltage noise, high gain

bandwidth (900kHz), and low power (150μA max)

enable these devices to achieve optimum

performance for low-power precision applications. In

addition, the excellent PSRR performance, coupled

with a wide input supply range of 2.2V to 5.5V and

rail-to-rail input and output, makes it an outstanding

choice for single-supply applications that run directly

from batteries without regulation.

–

0.4μV_PP, 0.1Hz to 10Hz

20nV/√Hz at 1kHz

•

ZERØ-DRIFT SERIES

–

LOW OFFSET VOLTAGE: 20μV

LOW OFFSET DRIFT: 0.1μV/°C

•

QUIESCENT CURRENT: 125μA

GAIN BANDWIDTH: 900kHz

RAIL-TO-RAIL INPUT/OUTPUT

EMI FILTERING

SUPPLY VOLTAGE: 2.2V to 5.5V

microSIZE PACKAGES: SC70 and SOT23

The OPA378 (single version) is available in both a

microSIZE SC70-5 and a SOT23-5 package. The

OPA2378 (dual version) is offered in a SOT23-8

package. All versions are specified for operation from

–40°C to +125°C.

APPLICATIONS

•

PORTABLE MEDICAL DEVICES

–

GLUCOSE METERS

OXYGEN METERING

HEART RATE MONITORS

•

WEIGH SCALES

BATTERY-POWERED INSTRUMENTS

THERMOPILE MODULES

HANDHELD TEST EQUIPMENT

SENSOR SIGNAL CONDITIONING

NOISE SPECTRAL DENSITY vs FREQUENCY

0.1Hz TO 10Hz NOISE

Continues with No 1/f (flicker) Noise

Current Noise

100

Voltage Noise

Time (1s/div)

100

10k

Frequency (Hz)

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.

microPOWER is a trademark of Texas Instruments Incorporated.

All other 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...27

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与OPA378_2相关器件

型号	品牌	获取价格	描述	数据表
OPA378AIDBVR	TI	获取价格	Low Noise, 900kHz, 50mV, Rail-to-Rail Input/O
OPA378AIDBVT	TI	获取价格	Low Noise, 900kHz, 50mV, Rail-to-Rail Input/O
OPA378AIDCKR	TI	获取价格	Low-Noise, 900kHz, RRIO, Precision OPERATIONA
OPA378AIDCKT	TI	获取价格	Low-Noise, 900kHz, RRIO, Precision OPERATIONA
OPA379	BB	获取价格	1.8V, 2.9uA, 90kHz, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS
OPA379	TI	获取价格	1.8V, 2.9mA, 90kHz, Rail-to-Rail I/O RATIONAL AMPLIFIERS
OPA379AID	TI	获取价格	18V 29mA90kHz, Rail-to-Rail I/O ATIONAL AMPLIFIERS
OPA379AID	BB	获取价格	1.8V, 2.9uA, 90kHz, Rail-to-Rail I/O OPERATIONAL AMPLIFIERS
OPA379AIDBV	TI	获取价格	1.8V, 2.9mA, 90kHz, Rail-to-Rail I/O RATIONAL AMPLIFIERS
OPA379AIDBVR	TI	获取价格	1.8V, 2.9mA, 90kHz, Rail-to-Rail I/O PERATIONAL AMPLIFIERS

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