IS31AP4088D DUAL 2.6W STEREO AUDIO AMPLIFIER January 2014 GENERAL DESCRIPTION KEY SPECIFICATIONS The IS31AP4088D is a dual bridge-connected audio P at 1% THD+N, V = 5V O CC power amplifier which, when connected to a 5V supply, R = 4 ----------------------- 2.1W (Typ.) L will deliver 2.6W to a 4 load. R = 8 ----------------------- 1.3W (Typ.) L P at 10% THD+N, V = 5V O CC The IS31AP4088D features a low-power consumption R = 4 ----------------------- 2.6W (Typ.) shutdown mode and thermal shutdown protection. It L R = 8 ----------------------- 1.6W (Typ.) also utilizes circuitry to reduce clicks-and-pop during L device turn-on. P at 1% THD+N, V = 4V O CC R = 4 ----------------------- 1.4W (Typ.) L R = 8 ----------------------- 0.81W (Typ.) L APPLICATIONS Shutdown current ----------------------- 0.1 A (Typ.) Supply voltage range -------------------- 2.7V ~ 5.5V Cell phones, PDA, MP4,PMP QFN-16 (4mm 4mm) package Portable and desktop computers Desktops audio system Multimedia monitors FEATURES Suppress click-and-pop Thermal shutdown protection circuitry Micro power shutdown mode TYPICAL APPLICATION CIRCUIT Figure 1 Typical Audio Amplifier Application Circuit Lumissil Microsystems www.lumissil.com 1 Rev. B, 01/03/2014 IS31AP4088D PIN CONFIGURATION Package Pin Configuration (Top View) OUTA+ OUTB+ 1 12 VCC VCC 2 11 QFN-16 OUTA- OUTB- 3 10 INA BYPASS 4 9 PIN DESCRIPTION No. Pin Description 1 OUTA+ Left channel +output. 2,11 VCC Supply voltage. 3 OUTA- Left channel output. 4 INA Left channel input. 5~7,13,14,16 GND Ground. 8 INB Right channel input. Bypass capacitor which provides the common mode 9 BYPASS voltage. 10 OUTB- Right channel output. 12 OUTB+ Right channel +output. 15 SDB Shut down control, hold low for shutdown mode. Thermal Pad Connect to GND. Lumissil Microsystems www.lumissil.com 2 Rev. B, 01/03/2014