北京红一迅成科技有限公司

 
 

 

 

 

Class D 音频放大器

BA2037

2W Stereo Class-D Audio Power Amplifier

Overview

The BA2037 is a 5V class-D amplifier from Biforst Technology. BA2037 provides dc volume control, lower supply current, high efficiency & few external components for driving speaker directly. BA2037 also integrates Anti-Pop, Output Short & Over-Heat Protection Circuitry to increase device reliability. The functionality makes this device ideal for LCD projectors, LCD monitors, powered speakers & other applications that demand more battery life.

Feature
  • .2W Per Channel Into 3-Ω Speakers (THD+N = 10%@5.6V)
  • .Operation Voltage From 3.3 To 5.5V
  • .DC Volume Control From –38dB to 20dB
  • .Low Shutdown Control : <10μA
  • .Low Noise Floor, -80dBV
  • .Maximum Efficiency into 3-Ω, 77%
  • .Maximum Efficiency into 8-Ω, 87%
  • .PSRR, -71dB
  • .Filter Free PWM Output Technology without LC Output Filter
  • .Integrated Anti-Pop Circuitry
  • .Integrated Output Short Protection Circuitry
  • .Integrated Over-Heat Protection Circuitry
  • .Provide DC Volume Control
  • .Package Type: HSOP28, TSSOP28 & QFN32

 

Datasheet:  BA20370 (Package Type: HSOP28)

            BA20371 (Package Type: TSSOP28)

            BA20372 (Package Type: QFN32)

 


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