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PDF APA2603 Data sheet ( Hoja de datos )
| Número de pieza | APA2603 | |
| Descripción | 3W Stereo Class D Audio Power Amplifier | |
| Fabricantes | ANPEC | |
| Logotipo |  |
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APA2603
3W Stereo Class D Audio Power Amplifier (with DC Volume Control)
Features
General Description
• Operating Voltage: 3.3V-5.5V
The APA2603 is a stereo, high efficiency, filter-free Class-
• High Efficiency 85% at PO=3W, 4Ω Speaker, VDD=5V D audio amplifier available in SOP-16P and DIP-16
• Filter-Free Class D Amplifier
packages.
• Low Shutdown Current
The APA2603 provides the precise DC volume control,
• - IDD=1µA at VDD=5V
64 Steps Volume Adjustable from -80dB to +20dB
the gain range is from -80dB (VVOLUME=5V) to +20dB
(VVOLUME=0V) with 64 steps precise control. It’s easy to get
the suitable amplifier’s gain with the 64 steps gain setting.
by DC Voltage with Hysteresis
• Output Power at THD+N=1%
The filter-free architecture eliminates the output filters
compared to the traditional Class-D audio amplifier and
- 2.6W at VDD=5V ,RL=3Ω
reduces the external component counts and the compo-
- 2.4W at VDD=5V, RL=4Ω
nents high. Besides, it can save the PCB space, system
- 1.4W at VDD=5V, RL=8Ω
Output Power at THD+N=10%
cost, and simplify the design and the power loss at filter.
The APA2603 also integrates the de-pop circuitry that re-
- 3.2W at VDD=5V ,RL=3Ω
duces the pops and click noises during power on/off or
shutdown enable process.
-
3W
at
V =5V,
DD
RL=4Ω
The APA2603 has build-in, over-current, and thermal pro-
-
1.75W
at
V =5V,
DD
RL=8Ω
• Less External Components Required
tection that prevent the chip being destroyed by short cir-
cuit or over temperature situation.
• Thermal and Over-Current Protections with Auto- APA2603 is capable of driving 3W at 5V into 4Ω speaker.
Recovery
• Pin-to-Pin Compatible APA2069 and APA2071
• Power Enhanced Packages SOP-16P & DIP-16
The efficiency can archive 85% at RL=4Ω when PO=3W at
V =5V.
DD
• Lead Free and Green Devices Available
(RoHS Compliant)
Simplified Application Circuit
Applications
• LCD TVs
• DVD Player
• Active Speakers
Stereo Input
Signals
DC Volume
Control
ROUTP
RINN
LINN
ROUTN
APA2603
VOLUME
LOUTN
LOUTP
Stereo
Speakers
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.6 - Mar., 2013
1
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
1 page  
APA2603
Electrical Characteristics (Cont.)
VDD=5V, GND=0V, TA= 25oC (unless otherwise noted)
Symbol
Parameter
Test Conditions
VDD=3.6V,TA=25 C (CONT.)
AttMute
Mute Attenuation
Attshutdown Shutdown Attenuation
Vn Output Noise
VOS Output Offset Voltage
fin=1kHz, RL=8Ω, Vin=1Vpp
fin=1kHz, RL=8Ω, Vin=1Vpp
With A-weighting Filter (AV=20dB)
RL=4Ω, AV=20dB
APA2603
Min. Typ. Max.
Unit
- -85 -70
dB
- -110 -90
- 75 100 µVrms
- 20 30 mV
Copyright © ANPEC Electronics Corp.
Rev. A.6 - Mar., 2013
5
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
5 Page 
APA2603
Pin Description
PIN
NO. NAME
1 SD
2 BYPASS
3 RINN
4,5,12,13
GND
6 LINN
7 VOLUME
8 MUTE
9 LOUTP
10,15
VDD
11 LOUTN
14 ROUTN
16 ROUTP
I/O/P
I
P
I
P
I
I
I
O
P
O
O
O
FUNCTION
Shutdown Mode Control Input, Place entire IC in shutdown mode when held low.
Bias Voltage for Power Amplifiers.
Negative Input of Right Channel Power Amplifier.
Ground Connection.
Negative Input of Left Channel Power Amplifier.
To Set The Amplifier’s Gain by Using The DC Voltage.
Mute control signal input, hold low for normal operation, hold high to mute.
Positive Output of Left Channel Power Amplifier.
Power Supply.
Negative Output of Left Channel Power Amplifier.
Negative Output of Right Channel Power Amplifier.
Positive Output of Right Channel Power Amplifier.
Typical Application Circuit
Shutdown Control
CB
Right Channel
1µF
Input Signal Ci1 0.1µF
1 SD
2 BYPASS
3 RINN
4 GND
Left Channel Ci2
Input Signal
0.1µF
VDD
R1
50kΩ
Mute Control
5 GND
6 LINN
7 VOLUME
8 MUTE
APA2603
(Top View)
ROUTP 16
VDD 15
ROUTN 14
GND 13
CS2
GND 12
LOUTN 11
VDD 10
CS3
0.1µF
LOUTP 9
0.1µF
4Ω
V DD
CS1
10µF
4Ω
Copyright © ANPEC Electronics Corp.
Rev. A.6 - Mar., 2013
11
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet APA2603.PDF ] | |
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