Stereo 290mW 8Ω Speaker Driver
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Apr., 2001
APA4800
www.anpec.com.tw1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Features
Ordering Information
The APA4800 is an integrated class AB stereo head-
phone amplifier contained in an SO-8 or a DIP-8 plas-
tic package . The APA4800 is capable of delivering
290mW of max . output power to an 8Ω load with less
than 10% (THD+N) from a 5V power supply . The de-
vice has been primarily developed for portable digital
audio applications .
Applications
• Portable Digital Audio
• Personal Computers
• Microphone Preamplifier
Gereral Description
Block Diagram
1
2
3
4 5
6
7
8Out A
Inverting Input A
Non-inverting Input A
Non-inverting Input B
Out B
Inverting Input B
--++
V
SS
V
DD
APA4800
• O perating Voltage
Single Supply 3V to 7V
Dual Supply ±1.5V to ± 3.5V
• High Signal-to-Noise Ratio 100dB
• High Slew Rate 5V/ µs
• Low Distortion -65dB
• Output Power at 10% THD+N
into 8Ω !!!!!!!!!!!!!! 290mW
into 16Ω !!!!!!!!!!!!!! 190mW
• Large Output Voltage Swing
• Excellent Power Supply Ripple Rejection
• Low Power Consumption
• Short-circuit Elimination
• Wide Temperature Range
• No Switch ON/OFF Clicks
• Available in 8 pin SOP or DIP Package
APA4800
Handling Code
Temp. Range
Package Code
Package Code
J : PDIP - 8
K : SOP - 8
Temp. Range
I : - 40 to 85 C
Handling Code
TU : Tube
TR : Tape & Reel
°