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2206 [UTC]

2.5W DUAL AUDIO POWER AMP; 2.5W双路音频功率放大器
2206
型号： 2206
厂家： Unisonic Technologies    Unisonic Technologies
描述：

2.5W DUAL AUDIO POWER AMP
2.5W双路音频功率放大器

放大器 功率放大器
文件： 总4页 (文件大小：121K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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UTC2206  
LINEAR INTEGRATED CIRCUIT  
2.5W DUAL AUDIO POWER AMP  
DESCRIPTION  
The 2206 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  
recorders.  
FEATURES  
*High output power  
Stero:Po=2.3W(Typ) at Vcc=9V,RL=4Ω.  
Bridge: Po=4.7W(Typ) at Vcc=9V,RL=8Ω.  
*Low switching distortion at high frequency.  
*Small shock noise at the time of power on/off due to a  
built-in muting circuit  
DIP-12H  
*Good ripple rejection due to a built-in ripple filter.  
*Good channel separation.  
*Closed loop voltage gain fixed 45dB(Bridge:51dB) but  
availability with external resistor added.  
*Minimum number of external parts required .  
*Easy to design radiator fin.  
BLOCK DIAGRAM  
POWER GND  
Fin  
NF1  
9
PRE GND  
VCC  
12  
OUT1  
11  
BS1  
10  
IN1  
8
7
-
SHOCK NOISE  
REJECTOR  
OUT  
AMP 1  
INPUT  
AMP1  
+
RIPPLE FILTER  
-
INPUT  
AMP2  
+
OUT  
AMP 2  
Fin  
1
2
3
4
5
6
BTL OUT  
OUT2  
BS2  
POWER GND  
NF2  
IN2  
R.R  
1
UTC UNISONIC TECHNOLOGIES CO. LTD  
QW-R107-018,A  
UTC2206  
LINEAR INTEGRATED CIRCUIT  
ABSOLUTE MAXIMUM RATINGS (Ta=25℃)  
CHARACTERISTICS  
SYMBOL  
RATING  
UNIT  
Supply Voltage  
Power Dissipation  
Operating Temperature  
Storage Temperature  
*Fin is soldering on the PCB  
Vcc  
PD  
TOPR  
TSTG  
15  
4 *  
-20～+70  
-40～+150  
V
W
℃
℃
ELECTRICAL CHARACTERISTICS (Ta=25℃,Vcc=9V,f=1Khz RG=600Ω,unless otherwise specified)  
CHARACTERISTICS  
Operating Supply Voltage  
Quiescent Circuit Current  
SYMBOL  
Vcc  
IccQ  
TEST CONDITION  
MIN TYP MAX UNIT  
9
11  
55  
V
Vi=0,Stereo  
40  
mA  
Stereo  
Bridge  
43  
49  
1.7  
45  
47  
53  
dB  
dB  
W
W
W
dB  
%
%
KΩ  
dB  
mW  
mV  
dB  
Closed Loop Voltage Gain  
GVC  
Po  
Vi=-45dBm  
51  
2.3  
1.3  
4.7  
0
0.3  
0.5  
30  
RL=4Ω,THD=10%  
RL=8Ω,THD=10%  
RL=8Ω,THD=10%  
Stereo  
Output Power  
Bridge  
Stereo  
Stereo  
Bridge  
Channel Balance  
CB  
-1  
1
1.5  
Ro=250mW,RL=4Ω  
Total Harmonic Distortion  
THD  
Input Resistance  
Ripple Rejection Ratio  
RI  
RR  
21  
40  
Stereo,RG=0Ω,Vr=150mW,f=100Hz  
Stereo,RG=0Ω  
Stereo, RG=10KΩ  
46  
0.3  
0.5  
55  
1.0  
2.0  
Output Noise Voltage  
Cross Talk  
VNO  
CT  
Stereo, RG=10KΩ,Vo=0dBm  
40  
APPLICATION INFORMATION  
1. Stereo application  
8
9
+
11  
CH1  
-
R2  
RF  
+
C1  
i) Fixed voltage gain  
(Pin 9 connected to GND directly)  
R1  
R2  
Gv=20 log  
(dB)  
ii) Variable voltage gain  
(Rf and C1connected with pin 9)  
R1  
R2 +RF  
Gv=20 log  
(dB)  
2
UTC UNISONIC TECHNOLOGIES CO. LTD  
QW-R107-018,A  
UTC2206  
LINEAR INTEGRATED CIRCUIT  
2. Bridge application  
INPUT  
8
9
5
+
+
CH1  
CH2  
-
-
4
R1  
R3  
R2  
RF  
C1  
R4  
C2  
+
5K  
50  
1
11  
11  
+
+
C4 RL  
C6  
i) Fixed voltage gain (Pin 9 connected to GND directly)  
R1  
Gv=20 log  
+ 6(dB)  
R2  
ii) Variable voltage gain RF and C1 connected with pin 9)  
R1  
Gv=20 log  
+ 6(dB)  
R2+RF  
APPLICATION CIRCUIT  
1.Stereo Amplofier  
100μ/16V  
C2  
100μ/16V  
+
+
OUTPUT 1  
+
INPUT 1  
C4  
C1  
470μ/16V  
RL  
*C3  
7
6
9
8
5
11  
2
Fin  
12  
1
10  
_
0.15μ  
+
VCC  
+
_
+
C5  
1000μ/16V  
3
Fin  
4
+
+
C10  
100μ/16V  
C9  
100μ  
16V  
+
+
OUTPUT2  
INPUT2  
470μ/6V  
C8  
100μ/16V  
*C7  
0.15μ  
RL  
*polyester film capacltor  
3
UTC UNISONIC TECHNOLOGIES CO. LTD  
QW-R107-018,A  
UTC2206  
2.Bridge Amplifier  
LINEAR INTEGRATED CIRCUIT  
100μ/16V  
100μ/16V  
+
INPUT  
VCC  
+
C1  
C2  
C3  
+
C4  
+
C5  
1000μ/16V  
7
6
9
4
8
5
11  
2
12  
1
10 Fin  
0.15μ  
470μ/  
16V  
RL  
2206  
Fin  
C6  
3
470μ/16V +  
+
C10  
100μ/16V  
+
+
C8  
*C7  
0.15μ  
100μ/16V  
+
C9  
100μ/16V  
*polyester film capacltor  
UTC assumes no responsibility for equipment failures that result from using products at values that  
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or  
other parameters) listed in products specifications of any and all UTC products described or contained  
herein. UTC products are not designed for use in life support appliances, devices or systems where  
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in  
whole or in part is prohibited without the prior written consent of the copyright owner. The information  
presented in this document does not form part of any quotation or contract, is believed to be accurate  
and reliable and may be changed without notice.  
4
UTC UNISONIC TECHNOLOGIES CO. LTD  
QW-R107-018,A  

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