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Shaoxing Silicore Technology

CD2025B Datasheet Preview

CD2025B Datasheet

2.3W Dual Audio Power AMP

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Silicore
2.3W DUAL AUDION POWER AMP CD2025B
DESCRIPTION
The CD2025B is a monolithic integrated circuit
consisting of a 2-channel power amplifier. It is suitable
for stereo and bridge amplifier application of radio
cassette tape recorder.
Outline Drawing
F E AT U R E S
z High output power
St ereo: Po=2 .3W (Typ) at Vcc=9V, RL=4
Bridge: Po=4.7W (Typ) at Vcc=9V, R L=8
z Low switching distortion at high frequency.
z Small shock noise at the time of power on/off due to a built-in muting circuit
z Good ripple rejection due to a built-in ripple filter.
z Good channel separation.
z Soft tone at the time of output saturation.
z Closed loop voltage gain fixed 45dB (Bridge: 51dB) but availability with external
resistor added.
z Minimum number of external parts required.
z Easy to design radiator fin.
BLOCK DIAGRAM AND PIN CONNECTION
PRE GND
7
IN1 NF1 POWER GND BS1 OUT1
89
Fin
10 11
Vcc
12
SHOCK NOISE
REJECTOR
-
INPUT
AMP 1
+
-
INPUT
AMP 2
+
OUT
AMP 1
RIPPLE FILTER
OUT
AMP 2
6
54
Fin
32
1
R.R IN2 NF2 POWER GND BS2 OUT2 BTL OUT
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
1/3




Shaoxing Silicore Technology

CD2025B Datasheet Preview

CD2025B Datasheet

2.3W Dual Audio Power AMP

No Preview Available !

Silicore
CD2025B
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
Characteristic
Symbol
Supply Vo ltage
Vcc
Power Dissipation
PD
Operating Temperature
Topr
Storage Temperature
Tstg
*Fin is soldering on the PCB
Va l u e
15
4*
-20~70
-40~150
Unit
V
W
°C
°C
ELECTRICAL CHARACTERISTICS
(unless otherwise specified: Ta=25°C, Vcc=9V; Rg=600,f=1kHz)
Characteristics
Test conditions
Symbol Min. Typ. Max. Unit
Operating Supply Vo ltage
Vcc 9 11 V
Quiescent circuit current
Vi=0V, Stereo
ICCQ
40 55 mA
Stereo
Closed loop Vo ltage Gain
Bridge
Vi=-45dBm
43 45 47 dB
Gvc
49 51 53 dB
Channel Balance
Stereo
CB -1 0 +1 dB
Output Power
THD=10%, RL=4
Stereo
THD=10%, RL=8Po
1.7 2.3
1.3
W
Bridge THD=10%, RL=8
4.7
Total Harmonic
Distortion
Stereo
Bridge
Po=250mW
RL=4
THD
0.3 1.5
0.5
%
Input Resistance
Ripple Rejection Ratio
Output Noise Vo ltage
Stereo, Rg=0,
Vi=150mW f=100Hz
Stereo Rg=0
Stereo Rg=10k
Ri 21 30
k
RR 40 46
dB
VNO
0.3 1.0
mV
0.5 2.0
Cross Talk
Stereo Rg=10kVo =0d B m CT 40 55
dB
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
2/3


Part Number CD2025B
Description 2.3W Dual Audio Power AMP
Maker Shaoxing Silicore Technology
PDF Download

CD2025B Datasheet PDF






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