SLOS912D February   2015  – July 2015 ALM2402-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Thermal Information
    3. 7.3 ESD Ratings
    4. 7.4 Recommended Operating Conditions
    5. 7.5 Electrical Characteristics
    6. 7.6 AC Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 OTF/SH_DN
      2. 8.3.2 Supply Voltage
      3. 8.3.3 Current Limit and Short Circuit Protection
      4. 8.3.4 Input Common Mode Range and Overvoltage Clamps
      5. 8.3.5 Thermal Shutdown
      6. 8.3.6 Output Stage
      7. 8.3.7 EMI Susceptibility and Input Filtering
    4. 8.4 Device Functional Modes
      1. 8.4.1 Open Loop and Closed Loop
      2. 8.4.2 Shutdown
  9. 9 Applications and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Capacitive Load and Stability
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Resolver Excitation Input (Opamp Output)
          1. 9.2.2.1.1 Excitation Voltage
          2. 9.2.2.1.2 Excitation Frequency
          3. 9.2.2.1.3 Excitation Impedance
        2. 9.2.2.2 Resolver Output
        3. 9.2.2.3 Power Dissipation and Thermal Reliability
          1. 9.2.2.3.1 Improving Package Thermal Performance
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Community Resources
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Pin Configuration and Functions

ALM2402-Q1 po_slos912.gif
It is recommended to connect the Exposed Pad to ground for best thermal performance. Must not be connected to any other pin than ground. However, it can be left floating.

Pin Functions

PIN I/O DESCRIPTION
NAME DDR PWP
NO. NO.
IN(X)+ 2, 4 2, 4 Input non-inverting op amp input terminal
IN(X)- 1, 5 1, 5 Input inverting op amp input terminal
OUT(X) 11, 7 13, 9 Output Op amp output
OTF/SH_DN 3 3 Input/output Over temperature flag and Shutdown (see Table 1 for truth table)
VCC_O(X) 8, 10 10, 12 Input Output stage supply pin
VCC 9 11 Input Gain stage supply pin
GND 6, 12 14 Input Ground pin (Both ground pins must be used and connected together on board)
NC N/A 7, 8 N/A No Internal Connection (do no connect)