参数资料
型号: TS4890ID
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: SO-8
文件页数: 14/32页
文件大小: 848K
代理商: TS4890ID
TS4890
21/32
Fig. 91 : Signal to Noise Ratio vs Power Supply
with Weighted Filter type A
Fig. 93 : Frequency Response Gain vs Cin, &
Cfeed
Fig. 95 : Current Consumption vs Standby
Voltage @ Vcc = 5V
Fig. 92 : Signal to Noise Ratio vs Power Supply
with Weighted Filter Type A
Fig. 94 : Current Consumption vs Power
Supply Voltage (no load)
Fig. 96 : Current Consumption vs Standby
Voltage @ Vcc = 3.3V
2.5
3.0
3.5
4.0
4.5
5.0
60
70
80
90
100
110
Gv = 2
Cb = Cin = 1
F
THD+N < 0.4%
Tamb = 25
°C
RL=16
RL=8
RL=4
2.2
S
NR
(
d
B)
Vcc (V)
10
100
1000
10000
-25
-20
-15
-10
-5
0
5
10
Rin = Rfeed = 22k
Tamb = 25
°C
Cfeed = 2.2nF
Cfeed = 680pF
Cfeed = 330pF
Cin = 470nF
Cin = 82nF
Cin = 22nF
G
a
in
(dB
)
Frequency (Hz)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
1
2
3
4
5
6
7
Vcc = 5V
Tamb = 25
°C
Icc
(mA)
Vstandby (V)
2.5
3.0
3.5
4.0
4.5
5.0
60
70
80
90
100
RL=8
RL=4
RL=16
Gv = 10
Cb = Cin = 1
F
THD+N < 0.4%
Tamb = 25
°C
2.2
S
NR
(
d
B)
Vcc (V)
012
345
0
1
2
3
4
5
6
7
Vstandby = Vcc
Tamb = 25
°C
Icc
(mA)
Vcc (V)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
1
2
3
4
5
6
Vcc = 3.3V
Tamb = 25
°C
Icc
(mA)
Vstandby (V)
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TS4890IST 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
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