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LM4990ITLX Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM4990ITLXNS100Yes

LM4990ITLX/NOPB is a mono 2.

The LM4990ITLX/NOPB is a mono 2.65W audio power amplifier from Texas Instruments (formerly National Semiconductor).

Key Specifications:

  • Output Power: 2.65W into 4Ω at 5V
  • Supply Voltage Range: 2.7V to 5.5V
  • THD+N (Total Harmonic Distortion + Noise): 1% (typical)
  • Shutdown Current: 0.01μA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: 10-WSON (3mm x 3mm)

Features:

  • Efficiency: Class-D operation with up to 90% efficiency
  • Low Power Consumption: 2.7mA quiescent current
  • Pop & Click Suppression: Reduces noise during power-up/down
  • Thermal & Short-Circuit Protection: Built-in safeguards
  • Small Footprint: Suitable for portable applications

Applications:

  • Mobile phones
  • Portable media players
  • Notebook PCs
  • Gaming devices

This device is RoHS-compliant and lead-free (PBF).

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