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APA4838 Datasheet(PDF) 4 Page - Anpec Electronics Coropration

Part No. APA4838
Description  Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain
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Maker  ANPEC [Anpec Electronics Coropration]
Homepage  http://www.anpec.com.tw
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 4 page
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Copyright
 ANPEC Electronics Corp.
Rev. A.1 - Apr., 2003
APA4838
www.anpec.com.tw
4
Electrical Characteristics
Electrical Characteristics for Volume Attenuators
The following specifications apply for V
DD= 5V. Limits apply for
T
A= 25°C
Electrical Characteristics for BTL Mode Operation
The following specifications apply for V
DD= 5V unless otherwise noted. Limits apply for
T
A= 25°C
APA4838
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Gain with V
PIN 7=5V
±0.5
C
RANGE
Attenuator Range
Attenuation with V
PIN 7=0V
-65
-78
dB
V
PIN 5=5V, Bridged Mode
-70
A
M
Mute Attenuation
V
PIN 5=5V, Single-Ended Mode
-70
dB
APA4838
Symbol
Parameter
Test Conditions
Typ.
Unit
V
OS
Output Offset Voltage
V
IN=0V
5
mV
THD=1%, f=1kHz
R
L=3Ω
R
L=4Ω
R
L=8Ω
2.3
2.0
1.2
P
O
Output Power
THD=10%, f=1kHz
R
L=8Ω
1.5
W
THD+N
Total Harmonic Distortion + Noise A
VD=2, f=1kHz
R
L=4Ω , PO =1.5W
R
L=8Ω , PO=1W
0.07
0.07
%
PSRR
Power Supply Rejection Ratio
V
RIPPLE=100mVRms CB=2.2µF,
R
L=8Ω, f=1kHz
70
dB
X
TALK
Channel Separation
C
B=2.2µF, f=1kHz, RL=8Ω
90
dB
SNR
Signal-to-Noise Ratio
V
DD=5V, PO =1.1W, RL=8Ω,A-Wtd
Filter
95
dB
V
N
Output Noise Voltage
R
L=8Ω,A-Wtd Filter
30
µV
Electrical Characteristics for Entire IC
The following specifications apply for V
DD= 5V unless otherwise noted. Limits apply for
T
A= 25°C
APA4838
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Supply Voltage
4.5
5.5
V
I
DD
Quiescent Power Supply
Current
V
IN=0V, IO=0A
15
25
mA
I
SD
Shutdown Current
V
PIN 2= VDD
0.7
2.0
µA




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