参数资料
型号: TS4962IQT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 2.8 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
封装: 3 X 3 MM, ROHS COMPLIANT, DFN-8
文件页数: 14/44页
文件大小: 586K
代理商: TS4962IQT
TS4962
Electrical characteristics
Doc ID 10968 Rev 8
21/44
Figure 10.
Efficiency vs. output power
Figure 11.
Efficiency vs. output power
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
20
40
60
80
100
0
50
100
150
Vcc=5V
RL=8
Ω + ≥ 15μH
F=1kHz
THD+N
≤1%
Power
Dissipation
Efficiency
Ef
fi
ci
ency
(
%
)
Output Power (W)
Power
Di
ssi
pat
ion
(
m
W)
0.0
0.1
0.2
0.3
0.4
0.5
0
20
40
60
80
100
0
25
50
75
Vcc=3V
RL=8
Ω + 15μH
F=1kHz
THD+N
1%
Power
Dissipation
Efficiency
Ef
fi
ci
ency
(
%
)
Output Power (W)
Power
Di
ssi
pat
ion
(
m
W)
Figure 12.
Output power vs. power supply
voltage
Figure 13.
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%
O
u
tput
pow
er
(W)
Vcc (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.0
0.5
1.0
1.5
2.0
THD+N=10%
RL = 8
Ω + ≥ 15μH
F = 1kHz
BW < 30kHz
Tamb = 25
°C
THD+N=1%
O
u
tput
pow
er
(W)
Vcc (V)
Figure 14.
PSRR vs. frequency
Figure 15.
PSRR vs. frequency
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V, 3.6V, 2.5V
20k
20
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7
μF
RL = 4
Ω + 15μH
ΔR/R≤0.1%
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
100
1000
10000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc=5V, 3.6V, 2.5V
20k
20
Vripple = 200mVpp
Inputs = Grounded
G = 6dB, Cin = 4.7
μF
RL = 4
Ω + 30μH
ΔR/R≤0.1%
Tamb = 25
°C
PSRR
(
d
B)
Frequency (Hz)
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