APA4801 Datasheet, PDF (1/15 Pages) Anpec Electronics Coropration – Stereo 280mW 8 OHM Speaker Driver with Mute

APA4801
Stereo 280mW 8Ω Speaker Driver with Mute
Features
Applications
• Operating Voltage
• Portable Digital Audio
Single Supply
3V to 7V _•
Dual Supply
±1.5V to ± 3.5V _•
• High Signal-to-Noise Ratio
100dB
Personal Computers
Microphone Preamplifier
• High Slew Rate
• Low Distortion
5V/ µs _{General Description}
-65dB
• Output Power at 10% THD+N
The APA4801 is an integrated class AB stereo head-
into 8Ω
into 16Ω
• Large Output Voltage Swing
280mW
160mW
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-
• Excellent Power Supply Ripple Rejection
• Flexible Mute Function
tors can be eliminated . The device has been prima-
rily developed for portable digital audio applications .
• Integrated Voltage Divider (V_DD/2) to Elimi-
nate External Resistors
Block Diagram
• Low Power Consumption
• Short-circuit Elimination
• Wide Temperature Range
• No Switch ON/OFF Clicks
• Available in 8 pin SOP or DIP Package
Out A 1
Mute 2
Input A 3
MUTE
0dB
0dB
A
B
+
+
130kΩ 130kΩ
BIAS
8 V_DD
7 Out B
6 BIAS
V_{SS 4}
5 Input B
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.
1
Rev. A.5 - Apr., 2001
www.anpec.com.tw