IS31AP4066D DUAL 1.3W STEREO AUDIO AMPLIFIER January 2014 GENERAL DESCRIPTION KEY SPECIFICATIONS The IS31AP4066D is a dual bridge-connected audio P at R = 8 , V = 5V O L CC power amplifier which, when connected to a 5V supply, THD+N = 1% ---------------------- 1.3W (Typ.) will deliver 1.3W to an 8 load. THD+N = 10% --------------------- 1.6W (Typ.) P at R = 8 , V = 4V The IS31AP4066D features a low-power consumption O L CC shutdown mode and thermal shutdown protection. It THD+N = 1% ----------------------- 0.81W (Typ.) also utilizes circuitry to reduce click-and-pop during Shutdown current ------------------- 0.3 A (Typ.) device turn-on. Supply voltage range --------------- 2.7V ~ 5.5V QFN-16 (3mm 3mm) package APPLICATIONS FEATURES Cell phones, PDA, MP4,PMP Suppress click-and-pop Portable and desktop computers Thermal shutdown protection circuitry Desktops audio system Micro power shutdown mode Multimedia monitors TYPICAL APPLICATION CIRCUIT Figure 1 Typical Application Circuit Lumissil Microsystems www.lumissil.com 1 Rev. B, 01/03/2014 IS31AP4066D PIN CONFIGURATION Package Pin Configuration (Top View) QFN-16 PIN DESCRIPTION No. Pin Description 1 OUTA+ Left channel positive output. 2,11 VCC Supply voltage. 3 OUTA- Left channel negative output. 4 INA Left channel input. 5~7,13,14,16 GND Ground. Bypass capacitor which provides the common 8 BYPASS mode voltage. 9 INB Right channel input. 10 OUTB- Right channel negative output. 12 OUTB+ Right channel positive output. 15 SDB Shutdown control, hold low for shutdown mode. Thermal Pad Connect to GND. Lumissil Microsystems www.lumissil.com 2 Rev. B, 01/03/2014 GND GND 5 16 GND SDB 6 15 GND GND 7 14 BYPASS GND 8 13