SBOS165B
September 2000 – April 2024
OPA627
,
OPA637
PRODMIX
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information: OPA627
5.5
Thermal Information: OPA637
5.6
Electrical Characteristics: OPA627BU, OPA627AU
5.7
Electrical Characteristics: OPA627AM, OPA627BM, OPA627SM
5.8
Electrical Characteristics: OPA637
5.9
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Offset Voltage Adjustment
6.3.2
Noise Performance
6.3.3
Input Bias Current
6.3.4
Phase-Reversal Protection
6.3.5
Output Overload
6.3.6
Capacitive Loads
6.3.7
Input Protection
6.3.8
EMI Rejection Ratio (EMIRR)
6.3.8.1
EMIRR IN+ Test Configuration
6.3.9
Settling Time
6.4
Device Functional Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curve
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
TINA-TI™ Simulation Software (Free Download)
8.1.1.2
Analog Filter Designer
8.1.1.3
TI Reference Designs
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
1
Features
Very low noise: 4.5nV/√
Hz
at 10kHz
Fast settling time:
OPA627: 550ns to 0.01%
OPA637: 450ns to 0.01%
Low V
OS
: 100µV maximum
Low drift: 0.8µV/°C maximum
Low I
B
: 5pA maximum
Gain options:
OPA627: Unity-gain stable
OPA637: Stable in gain ≥ 5