SBOS391B
December 2007 – March 2016
OPA454
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics: VS = ±50 V
7.6
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Input Protection
9.3.2
Input Range
9.3.3
Output Range
9.3.4
Open-Loop Gain Linearity
9.3.5
Settling Time
9.3.6
ENABLE and E/D Com
9.3.7
Current Limit
9.4
Device Functional Modes
10
Application and Implementation
10.1
Applications Information
10.1.1
Lowering Offset Voltage and Drift
10.1.2
Increasing Output Current
10.1.3
Unity-Gain Noninverting Configuration
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.3
Application Curve
10.3
System Examples
10.3.1
Basic Noninverting Amplifier
10.3.2
Programmable Voltage Source
10.3.3
Bridge Circuit
10.3.4
High-Compliance Voltage Current Sources
10.3.5
High-Voltage Instrumentation Amplifier
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
Thermally-Enhanced PowerPAD Package
12.1.2
PowerPAD Layout Guidelines
12.2
Layout Example
12.3
Thermal Protection
12.4
Power Dissipation
12.5
Heatsinking
13
Device and Documentation Support
13.1
Device Support
13.1.1
Development Support
13.1.1.1
TINA-TI™ (Free Software Download)
13.1.1.2
TI Precision Designs
13.1.1.3
WEBENCH Filter Designer
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Community Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DDA|8
MPDS092F
サーマルパッド・メカニカル・データ
DDA|8
PPTD043J
5 Device Comparison Table
PRODUCT
DESCRIPTION
OPA445
(1)
80 V, 15 mA
OPA452
80 V, 50 mA
OPA547
60 V, 750 mA
OPA548
60 V, 3 A
OPA549
60 V, 9 A
OPA551
60 V, 200 mA
OPA567
5 V, 2 A
OPA569
5 V, 2.4 A
(1) The OPA445 is pin-compatible with the OPA454
, except in applications using the offset trim, and NC pins other than open.