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LV4992TT - Stereo SE Power Amplifier

Description

Equivalent circuit 1 4 VCC + 3kΩ 2 STBY Standby pin Standby mode (0 to 0.3V) Operation mode (1.9 to VCC) VCC 2 21kΩ 121.4kΩ 40.7kΩ GND 3 VREF 1.81 Ripple filter pin (Capacity connection for filter) VCC 100kΩ VCC 3 450kΩ 101kΩ GND 5 8 OUT2 OUT1 1.81 Power amp

Features

  • Built-in stereo SE power amplifier Output power 1= 160mW (VCC = 3.6V, RL = 8Ω and THD = 10%) Output power 2= 340mW (VCC = 5.0V, RL = 8Ω and THD = 10%) Output power 3= 55mW (VCC = 3.6V, RL = 32Ω and THD = 10%) Output power 4= 110mW (VCC = 5.0V, RL = 32Ω and THD = 10%).
  • Enabling low voltage operation : VCC = from 2.7V.
  • Standby function : (supply current in standby mode : 0.1μA (standard) : (VCC = 3.6V).
  • Thermal shut down circuit.
  • Enabling gain setting.

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Full PDF Text Transcription

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www.DataSheet.co.kr Ordering number : ENA0932 Bi-CMOS IC LV4992TT Overview For Portable Audio Equipment Stereo SE Power Amplifier The LV4992TT is the best LSI for the speaker drive for portable equipment that is battery drive, including the power amplifier circuit capable of low voltage (from 2.7V) operation and stand-by function to reduce the consumption current. Functions and Features • Built-in stereo SE power amplifier Output power 1= 160mW (VCC = 3.6V, RL = 8Ω and THD = 10%) Output power 2= 340mW (VCC = 5.0V, RL = 8Ω and THD = 10%) Output power 3= 55mW (VCC = 3.6V, RL = 32Ω and THD = 10%) Output power 4= 110mW (VCC = 5.0V, RL = 32Ω and THD = 10%) • Enabling low voltage operation : VCC = from 2.7V • Standby function : (supply current in standby mode : 0.
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