Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Menu
Product
Email
PDF
Order now
OPAx387 Ultra-High Precision, Zero-Drift, Low-Input-Bias-Current Op Amps
SBOS984G
November 2020 – September 2023
OPA2387
,
OPA387
,
OPA4387
PRODUCTION DATA
CONTENTS
SEARCH
OPAx387 Ultra-High Precision, Zero-Drift, Low-Input-Bias-Current Op Amps
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information: OPA387
6.5
Thermal Information: OPA2387
6.6
Thermal Information: OPA4387
6.7
Electrical Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Bias Current
7.3.2
EMI Susceptibility and Input Filtering
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Zero-Drift Clocking
8.2
Typical Applications
8.2.1
Bidirectional Current Sensing
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Load Cell Measurement
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Development Support
9.1.1.1
PSpice® for TI
9.1.1.2
TINA-TI™ Simulation Software (Free Download)
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
PW|14
MPDS360A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbos984g_oa
sbos984g_pm
search
No matches found.
Full reading width
Full reading width
Comfortable reading width
Expanded reading width
Card for each section
Card with all content
Data Sheet
OPAx387
Ultra-High Precision, Zero-Drift, Low-Input-Bias-Current Op Amps
1
Features
Ultra-low offset voltage: ±2 µV (maximum, tested)
Zero drift: ±0.003 µV/°C
Low-input bias current: 150 pA (maximum, tested)
Low noise: 8.5 nV√
Hz
at 1 kHz
No 1/f noise: 177 nV
PP
(0.1 Hz to 10 Hz)
Common-mode input range ±100 mV beyond supply rails
Gain bandwidth: 5.7 MHz
Quiescent current: 570 μA per amplifier
Single supply: 1.7 V to 5.5 V
Dual supply: ±0.85 V to ±2.75 V
EMI and RFI filtered inputs
2
Applications
Electronic thermometer
Weigh scale
Temperature transmitter
Ventilators
Data acquisition (DAQ)
Semiconductor test
Lab and field instrumentation
Merchant network and server PSU
Analog input module
Pressure transmitter
