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ALM2403-Q1 Automotive, Low-Distortion, Dual-Channel Operational Amplifier With Integrated Protection for Resolver Drive
SBOSA37A
November 2020 – March 2023
ALM2403-Q1
PRODUCTION DATA
CONTENTS
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ALM2403-Q1 Automotive, Low-Distortion, Dual-Channel Operational Amplifier With Integrated Protection for Resolver Drive
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
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Overtemperature and Shutdown Pin (OTF/SH_DN)
7.3.2
Thermal Shutdown
7.3.3
Current-Limit and Short-Circuit Protection
7.3.4
Input Common-Mode Range
7.3.5
Reverse Body Diodes in Output-Stage Transistors
7.3.6
EMI Filtering
7.4
Device Functional Modes
7.4.1
Open-Loop and Closed-Loop Operation
7.4.2
Shutdown
8
Application and Implementation
8.1
Application Information
8.1.1
Capacitive Load and Stability
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Resolver Excitation Amplifier Combined With MFB 2nd-Order, Low-Pass Filter
8.2.2.1.1
Filter Design
8.2.2.1.2
Short-to-Battery Protection
8.2.2.2
Power Dissipation and Thermal Reliability
8.2.2.2.1
Improving Package Thermal Performance
8.2.3
Application Curves
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
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
PWP|14
MPDS370A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbosa37a_oa
sbosa37a_pm
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DATA SHEET
ALM2403-Q1 Automotive, Low-Distortion, Dual-Channel Operational Amplifier With Integrated Protection for Resolver Drive
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
Functional-safety capable
Documentation available to aid functional safety system design
High output current drive: 500 mA, peak (per channel)
Replaces discrete op amps and transistors
Wide supply range for both supplies (up to 24 V)
Overtemperature shutdown
Current limit
Shutdown pin for low I
Q
applications
21-MHz gain bandwidth with 50-V/µs slew rate
Package: 14-pin HTSSOP (PWP)
2
Applications
Resolver-based automotive and industrial applications
Inverter and motor control
Brake system
Electric power steering (EPS)
Rearview mirror module
Automotive eMirrors
Servo drive power stage module
Flight control system