Datasheet > OPA187IDGKT

OPA187IDGKT

更新时间： 2022-02-26 10:06:14

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
45页	2408K
描述
0.001-Î¼V/Â°C Drift, Low Power, Rail-to-Rail Output 36-V Operational Amplifiers Zero-Drift Series

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OPA187, OPA2187, OPA4187

SBOS807D –DECEMBER 2016–REVISED DECEMBER 2018

OPAx187 0.001-µV/°C Drift, Low Power, Rail-to-Rail Output

36-V Operational Amplifiers Zero-Drift Series

1 Features

3 Description

The OPAx187 series operational amplifiers use auto-

•

Low Offset Voltage: 10 µV (maximum)

Zero Drift: 0.001 µV/°C

Low Noise: 15 nV/√Hz

zeroing techniques to simultaneously provide low-

offset voltage (1 µV), and near zero drift over time

and temperature. These miniature, high-precision,

low-quiescent current amplifiers offer high-input

impedance and rail-to-rail output swing within 5 mV of

the rails into high-impedance loads. The input

common-mode range includes the negative rail.

Either single or dual supplies can be used in the

range of 4.5 V to 36 V (±2.25 V to ±18 V).

PSRR: 160 dB

CMRR: 140 dB

AOL: 160 dB

Quiescent Current: 100 µA

Wide Supply Voltage: ±2.25 V to ±18 V

Rail-to-Rail Output Operation

Input Includes Negative Rail

Low Bias Current: 100 pA (typical)

EMI Filtered Inputs

The single version of the OPAx187 device is

available in microsize 8-pin VSSOP, 5-pin SOT-23,

and 8-pin SOIC packages. The dual version is offered

in 8-pin VSSOP and 8-pin SOIC packages. The quad

version is offered in 14-pin SOIC, 14-pin TSSOP, and

16-pin WQFN packages. All versions are specified for

operation from –40°C to +125°C.

Microsize Packages

2 Applications

Device Information⁽¹⁾

•

Bridge Amplifier

PART NUMBER

PACKAGE

BODY SIZE (NOM)

4.90 mm × 3.91 mm

2.90 mm × 1.60 mm

3.00 mm × 3.00 mm

4.90 mm × 3.91 mm

3.00 mm × 3.00 mm

8.70 mm × 3.90 mm

5.00 mm × 4.40 mm

Strain Gauge

SOIC (8)

Test and Measurement Equipment

Transducer Application

Temperature Measurement

Electronic Scales

OPA187

SOT-23 (5)

VSSOP (8)

SOIC (8)

OPA2187

OPA4187

VSSOP (8)

SOIC (14)

TSSOP (14)

Medical Instrumentation

RTD Amplifier

WQFN (16)

(Preview)

Precision Active Filters

Low-Side Current Monitoring

4.00 mm × 4.00 mm

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

at the end of the data sheet.

OPAx187 Offers Precision Low-Side Current Measurement Capability

Load

V_SUPPLY

100 kꢀ

GND

V_SUPPLY

100 ꢀ

V_OUT

OPA187

R_SHUNT

100 ꢀ

GND

100 kꢀ

GND

G = 1000 • R_SHUNT• I

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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.

12 3 4 5 6 7...45

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