LM4990ITL / LM4990LD

Processes or amplifies audio signals.

Tutorial / documentation

Audio

Quick documentation & first test preparation

  1. Identify component LM4990ITL and its package.
  2. Check gain, supply voltages and load impedance.
  3. Follow the application circuit and decoupling recommendations.
  4. Consult the application circuit in the linked documentation before testing.

LM4990ITL

Boomer 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level, DSBGA-9

  • Boomer 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level, DSBGA-9
  • Check gain, supply voltages and load impedance.
  • Follow the application circuit and decoupling recommendations.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

LM4990LD

Boomer 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level, WSON-10

  • Boomer 2 Watt Audio Power Amplifier with Selectable Shutdown Logic Level, WSON-10
  • Check gain, supply voltages and load impedance.
  • Follow the application circuit and decoupling recommendations.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation