UTCTEA2025 [UTC]
STEREO AUDIO AMPLIFIER; 立体声音频放大器
| 型号： | UTCTEA2025 |
| 厂家： | 
Unisonic Technologies |
| 描述： | STEREO AUDIO AMPLIFIER |
| 文件： | 总4页 (文件大小：50K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UTC TEA2025 LINEAR INTEGRATED CIRCUIT
STEREO AUDIO AMPLIFIER
DESCRIPTION
The UTC TEA2025 is
a monolithic integrated audio
amplifier in a 16-pin plastic dual in line package. It is designed
for portable cassette players and radios.
FEATURES
*Working Voltage down to 3V
*Few External components
*High Channel isolation
*Voltage gain up to 45dB(Adjustable with external resistor)
*Soft clipping
DIP-16
*Internal Thermal protection
PIN CONFIGURATIONS
BRIDGE
OUT.2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
+Vs
OUT.1
BOOT.2
GND
BOOT.1
GND
GND
GND
FEEDBACK
IN.2 (+)
SVR
FEEDBACK
IN.1 (+)
GND (sub)
BLOCK DIAGRAM
9
10
11
12
13
14
15
50
W
10k
W
THERMAL
PROTECTION
START
CIRCUIT
5k
W
DECOUPLING
8
7
16
1
50
W
10k
W
50
W
6
5
3
2
4
1
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R107-003,A
UTC TEA2025 LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
SYMBOL
VALUE
15
UNIT
V
VS
IO
Output Peak Current
Junction Temperature
Storage Temperature
1.5
A
Tj
150
°C
°C
Tstg
-40 ~ +150
ELECTRICAL CHARACTERISTICS(Ta=25°C,VCC=9V,Stereo,Unless otherwise specified)
PARAMETER
Supply Voltage
SYMBOL
TEST CONDITIONS
MIN
3
TYP
MAX UNIT
VS
IQ
12
50
V
mA
V
Quiescent Current
Quiescent output voltage
Voltage gain
40
4.5
45
VO
AV
Stereo
Bridge
43
49
47
53
dB
51
Voltage gain difference
Input impedance
DAV
+-1
dB
Ri
30
kW
f=1kHz;d=10%
Stereo per channel
VCC=9V;RL=4W
RL=8W
1.7
0.7
2.3
1.3
1
0.6
0.1
4.7
Output Power
PO
VCC=6V;RL=4W
RL=8W
W
VCC=3V;RL=4W
Bridge
VCC=9V;RL=8W
VCC=6V;RL=4W
VCC=9V;RL=4W
f=1kHz;PO=250mW
Stereo
2.8
Distortion
d
0.3
0.5
1.5
%
Bridge
RG=0;AV=45dB
Vripple=150mVRMS
Fripple=100Hz
AV=200
Bandwidth:
20Hz to 20kHz
RG=0
Supply voltage Rejection
SVR
40
40
46
dB
Input noise Voltage
Cross-Talk
Vn
1.5
3
3
6
mV
RG=10kW
C.T.
RG=10kW;
55
dB
f=1kHz;RL=4W
PO=1W
2
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R107-003,A
UTC TEA2025 LINEAR INTEGRATED CIRCUIT
THERMAL RESISTANCE
Rth(j-c):Junction to case thermal resistance 15°C/W
Rth(j-a):Junction to ambient thermal resistance 60°C/W
TYPICAL PERFORMANCE CHARACTERISTICS
Distortion versus output power
Distortion versus output power
d(%)
1
d(%)
10
Vcc=6V
RL=8W
Vcc=6V
RL=40W
1
0.1
0
0.2
0.4
0.6
0.8
1.0
1.2
P0(W)
0
0.2
0.4
0.6
0.8
1.0
1.2
P0(W)
Distortion versus output Frequency
Output power/versus supply voltage
8
10
d(%)
Po(W)
6
4
Vcc=9V
RL=9W
Po=1.5W
f=1kHz
d=10%
RL=4W
1
2
0
0.1
10
100
1k
10k
100k
0
4
12
Vcc(V)
8
f(Hz)
3
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R107-003,A
UTC TEA2025 LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUIT
Vcc
Vcc
100
F
m
100 F
m
100
F
100
0.15
100
F
m
m
0.22
m
F
0.22 mF
16
16
10
14
15
10
14
15
470
470
mF
Vin
1
Vin
OUT
RL
100
mF
11
100
mF
11
0.15
mF
mF
7
6
RL
0.22
100
F
m
100
mF
mF
7
6
Vin
2
3
2
3
2
mF
OUT
RL
mF
100 mF
0.15
mF
0.15 mF
1
8
8
4,5,9,12,13
4,5,9,12,13
100
F
100 F
m
m
Fig. 5 Bridge Application
Fig.6 Stereo Application
SCHEMATIC DIAGRAM
I2+
I2-
8
7
6
+Vs
16
3
OUT 2
2
GND
9
4
5
I1+
I1-
10
11
14
OUT 1
15
12
13
1
4
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R107-003,A
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