IS31AP2145E

THD+N 0.20%
Status Prod
Vdd(V) 2.7~5.5
ICC(mA) 2.0
ISD(uA) 1
Channels 1
Document Eval Board
PSRR(dB) 67
Power(W) 2.7
Pkg-Pin(mm) UTQFN-9(1.5x1.5)
Product Family 31 = Commercial/Industrial Analog
Part Number 2145 = 2145
Product Type AP = Audio Power Amplifier
Package option blank = Tray or Tube

IS31AP2145E Features

  • Filter-less Class-D architecture
  • AGC enable/disable function
  • 2.7W into 4Ω at 5.0V (10% THD+N)
  • Power supply range: 2.7V to 5.5V
  • Selectable attack and release times
  • Minimum external components
  • High efficiency: 90%
  • Click-and-pop suppression
  • Short-circuit and thermal protection
  • Space-saving UTQFN-9, 1.5mm × 1.5mm
  • Wireless or cellular handsets and PDAs
  • Portable navigation devices
  • Portable DVD player
  • Notebook PC
  • Educational toys

Overview

The IS31AP2145E is a 2.7W@5.0V mono, clip-less, filter-less, high efficiency Class-D audio power amplifier with automatic gain control. The IS31AP2145E integrates AGC (Automatic Gain Control) function to automatically prevent distortion of the audio signal by which we can enhance audio quality and also protect the speaker from damage at high power levels. The AGC function and its attack time/release time are selectable via the CTRL pin. The IS31AP2145E also provides thermal and over current protection functions. In addition to these features, 90% high efficiency, improved RF-rectification immunity, a fast start-up time and small package size make IS31AP2145E ideal choice for cellular handsets, PDAs and other portable applications. IS31AP2145E is available in a 1.5mm×1.5mm UTQFN-9 package.

 

Related Part Number(s)

Description Stock Qty Available Qty
IS31AP2145E-UTLS2-TR