参数资料
型号: TS2012IQT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20
封装: 4 X 4 MM, ROHS COMPLIANT, QFN-20
文件页数: 8/30页
文件大小: 384K
代理商: TS2012IQT
Electrical characteristics
TS2012
16/30
Figure 10.
Output power vs. power supply
voltage
Figure 11.
Output power vs. power supply
voltage
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
THD+N=10%
RL = 4
Ω + 15μH
F = 1kHz
BW < 30kHz
Tamb = 25
°C
THD+N=1%
Out
put
Power
(
W
)
Power Supply Voltage (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.4
0.8
1.2
1.6
2.0
THD+N=10%
RL = 8
Ω + 15μH
F = 1kHz
BW < 30kHz
Tamb = 25
°C
THD+N=1%
Ou
tp
u
tP
o
we
r(
W
)
Power Supply Voltage (V)
Figure 12.
PSRR vs. common mode input
voltage
Figure 13.
PSRR vs. frequency
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-80
-70
-60
-50
-40
-30
-20
-10
0
Gain=6dB
Gain=24dB
Vcc=3V
Vcc=2.5V
Vcc=5V
Vripple = 200mVpp, F = 217Hz
RL
4Ω + 15μH, Tamb = 25°C
PSR
R(dB
)
Common Mode Input Voltage (V)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Gain=24dB
Inputs grounded, Vripple = 200mVpp
RL
4Ω + 15μH, Cin=1μF, Tamb=25°C
Vcc = 2.5, 3.6, 5V
20k
20
Gain=6dB
PS
RR
(
d
B)
Frequency (Hz)
Figure 14.
CMRR vs. common mode input
voltage
Figure 15.
CMRR vs. frequency
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
-80
-70
-60
-50
-40
-30
-20
-10
0
Gain=6dB
Gain=24dB
Vcc=3V
Vcc=2.5V
Vcc=5V
ΔVicm=200mVpp, F = 217Hz
RL
4Ω + 15μH, Tamb = 25°C
C
M
RR(
dB)
Common Mode Input Voltage (V)
100
1k
10k
-80
-70
-60
-50
-40
-30
-20
-10
0
Gain=24dB
ΔVicm=200mVpp, Vcc = 2.5, 3.6, 5V
RL
4Ω + 15μH, Cin=1μF, Tamb=25°C
20k
20
Gain=6dB
CMRR
(dB
)
Frequency (Hz)
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