APA4801
Stereo 280mW 8Ω Speaker Driver with Mute
Features
•
Operating Voltage
Single Supply
Dual Supply
3V to 7V
±1.5V
to
±
3.5V
100dB
5V/
µs
-65dB
into 8Ω
into 16Ω
280mW
160mW
Applications
•
•
•
Portable Digital Audio
Personal Computers
Microphone Preamplifier
•
•
•
•
High Signal-to-Noise Ratio
High Slew Rate
Low Distortion
Output Power at 10% THD+N
General Description
The APA4801 is an integrated class AB stereo head-
phone amplifier contained in an SO-8 or a DIP-8 plas-
tic package with Mute feature . Besides the common
Mute feature , the APA4801 further integrates a volt-
age divider inside the chip . Thus , the external resis-
tors can be eliminated . The device has been prima-
rily developed for portable digital audio applications .
•
•
•
•
•
•
•
•
•
Large Output Voltage Swing
Excellent Power Supply Ripple Rejection
Flexible Mute Function
Integrated Voltage Divider (V
DD
/2) to Elimi-
nate External Resistors
Low Power Consumption
Short-circuit Elimination
Wide Temperature Range
No Switch ON/OFF Clicks
Available in 8 pin SOP or DIP Package
Block Diagram
MUTE
Out A
Mute
Input A
V
SS
1
0dB
A
+
130kΩ 130kΩ
3
BIAS
0dB
B
+
8
V
DD
Out B
BIAS
Input B
2
7
6
4
5
Ordering Information
APA4801
Handling Code
Temp. Range
Package Code
Package Code
J : PDIP-8
Temp. Range
I : - 40 to 85
°
C
Handling Code
TU : Tube
TR : Tape & Reel
K : SOP-8
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.
Copyright
ANPEC Electronics Corp.
Rev. A.5 - Apr., 2001
1
www.anpec.com.tw
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
