SNAS344F December   2005  – June 2025 LM4674

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Key Specifications
  5. 4 DESCRIPTION
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Operating Ratings
    3. 6.3 Electrical Characteristics VDD = 3.6V
    4. 6.4 Typical Performance Characteristics
  8. 7 Block Diagrams
  9. 8 Application Information
    1. 8.1  General Amplifier Function
    2. 8.2  Differential Amplifier Explanation
    3. 8.3  Power Dissipation and Efficency
    4. 8.4  Shutdown Function
    5. 8.5  Single-Ended Audio Amplifier Configuration
    6. 8.6  Audio Amplifier Power Supply Bypassing/Filtering
    7. 8.7  Audio Amplifier Input Capacitor Selection
    8. 8.8  Audio Amplifier Gain Setting
    9. 8.9  Output Filter Considerations
    10. 8.10 Layout Guidelines
    11. 8.11 LM4674TL Demo Board Schematic
    12. 8.12 LM4674TL Demonstration Board Layout
    13. 8.13 LM4674SQ Demo Board Schematic
    14. 8.14 LM4674SQ Demonstration Board Layout
    15. 8.15 Trademarks
  10. 9 Typical Application
  11. 10Development Support
    1. 10.1 Third-Party Products Disclaimer
    2. 10.2 Device Nomenclature Boilerplate
  12. 11Receiving Notification of Documentation Updates
  13. 12Electrostatic Discharge Caution
  14. 13Glossary
  15. 14Revision History
  16. 15Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions

LM4674 DSBGA (Top View) See YZR0016 Package Figure 5-1 DSBGA (Top View)
See YZR0016 Package
LM4674 WQFN (Top View) See RGH0016A Package Figure 5-2 WQFN (Top View)
See RGH0016A Package
Table 5-1 Pin Attributes
BUMPPINNAMEFUNCTION
A14INL+Non-inverting left channel input
A26PVDDPower VDD
A37OUTLALeft channel output A
A48OUTLBLeft channel output B
B13INL-Inverting left channel input
B25G1Gain setting input 1
B310SDRRight channel shutdown input
B49SDLLeft channel shutdown input
C12INR-Inverting right channel input
C216G0Gain setting input 0
C312GNDGround
C411PGNDPower Ground
D11INR+Non-inverting right channel input
D215VDDPower Supply
D314OUTRARight channel output A
D413OUTRBRight channel output B