D2025 Datasheet PDF - Shaoxing Silicore Technology


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D2025
Shaoxing Silicore Technology

Part Number D2025
Description Stereo Audio AMplifier
Page 4 Pages

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Silicore
STEREO AUDIO AMPLIFIER D2025
DESCRIPTION
The D2025 is a monolithic integrated
audio amplifier in a 16-pin plastic
dual in line package. It is designed
for portable cassette players and
radios.
F E AT U R E
z Working Voltage down to 3V
z Few External components
z High Channel isolation
z Vo ltage
gain
up
to
45dB(Adjustable with external
resistor)
z Soft clipping
z Internal Thermal protection
Outline Drawing
BLOCK DIAGRAM
PIN CONNECTION
9 10 11
THERMAL
PROTECT
START
CIRCUIT
8
50
_
+
7
50
12 13
10K
DECOUPLING
10K
6 54
14 15
Bridge
Out-2
Boot-2
5K
16
50
1
GND
GND
Feedback-2
IN-2(+)
SVR
32
1 16
2 15
3 14
4 13
D2025
5 12
6 11
7 10
89
Vcc
Out-1
Boot-1
GND
GND
FeedBack-1
IN-1(+)
GND(Sub)
SHAOXING SILICORE TECHNOLOGY CO.,LTD
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Silicore
D2025
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
Characteristic
Symbol
Supply Vo ltage
Vcc
Output Peak Current
Io
Iunction Temperature
Tj
Storage Temperature
Tstg
Va l u e
16.5
1.5
150
-40~150
Unit
V
A
°C
°C
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified: Ta=25°C, Vcc=9V; Dual Mode)
Characteristics
Test conditions
Symbol Min. Typ. Max. Unit
Supply Vo ltage
Vcc 3
12 V
Quiescent Current
Quiescent Output
Current
Voltage Gain
Voltage Gain
Difference
Input Impedance
Dual Mode
BTL Mode
IQ
Vo
Gv
Gv
Ri
40 50 mA
4.5 V
43 45 47
dB
49 51 53
±1 dB
30 k
Output Power
(f=1kHz; d=10%)
Dual Mode
channel
Vcc=9V
per
Vcc=6V
RL=4
RL=8
RL=4
RL=8
Vcc=3V; RL=4
Po
1.7 2.3
1.3
0.7 1
0.6
0.1
W
BTL Mode
Vcc=9V; RL=8
Vcc=6V; RL=4
4.7
2.8
Distortion
Supply Voltage
Rejection
Input Noise
Vo l t a g e
Cross-Talk
Vcc=9V; RL=4Dual Mode
f=1kHz; Po=250mW BTL Mode
RG=0; Vripple=150mVrms
Av=45dB; fripple=100Hz
Av=200 Bandwidth
20Hz to 20kHz
RG=0
RG=10k
RG=10k; f=1kHz;
RL=4; Po=1W
d
SVR
Vn
C . T.
0.3 1.5
%
0.5
40 46
dB
1.5 3
µV
36
40 55
dB
SHAOXING SILICORE TECHNOLOGY CO.,LTD
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Silicore
D2025
THERMAL CHARACTERISTICS
Characteristic
Symbol
Va l u e
Unit
Junction-case thermal resistance
Rth(j-c)
15
°C/W
Junction-ambient thermal resistance(see Note)
Rth(j-a)
60
°C/W
Note :The Rth(j-a) is measured on devices bonded on a 10×5×0.15 cm glass-epoxy
substrate with a 35µm thick copper surface of 5cm2
TEST CIRCUIT
1. Dual Mode Circuit
Vin1
100uF
470uF RL
9 10 11 12 13 14 15 16
D2025
8 76 543
21
Vin2
2. BTL Mode Circuit
100uF
Vcc
100uF
RL
470uF
Vin
100uF
Vcc
9 10 11 12 13 14 15 16
D2025
8 76 543
21
100uF
RL
SHAOXING SILICORE TECHNOLOGY CO.,LTD
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Silicore
CHARACTERISTICS CURVES
D2025
SHAOXING SILICORE TECHNOLOGY CO.,LTD
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