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TS4855 数据表(PDF) 16 Page - STMicroelectronics

部件名 TS4855
功能描述  LOUDSPEAKER & HEADSET DRIVER WITH VOLUME CONTROL
PDF  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4855 数据表(HTML) 16 Page - STMicroelectronics

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TS4855
Electrical Characteristics
16/27
Figure 37: HDout frequency response
(Output modes 2, 3 G=+6dB)
Figure 38: HDout frequency response
(Output modes 4, 5 G=+12dB)
Figure 39: Spkout -3dB lower cut off freq. vs.
input capacitor (Output modes 1, 3, 5, 7)
Figure 40: HDout -3dB lower cut-off frequency vs.
input capacitor (Output modes 2, 3, 4, 5, 6, 7)
Figure 41: HDout -3dB lower cut-off freq. vs.
gain setting (Output modes 2, 3, 4, 5, 6, 7)
Figure 42: Power derating curves
20
100
1000
10000
0
1
2
3
4
5
6
Vcc=5V
Vcc=3V
Ouput mode 2, 3
RL = 32
Ω
Cin=220nF
VinPHS=0.2Vrms
G=+6dB
BW < 125kHz
Tamb = 25
°C
Frequency (Hz)
20
100
1000
10000
0
2
4
6
8
10
12
Vcc=5V
Vcc=3V
Ouput mode 4, 5
RL = 32
Ω
Cin=220nF
VinR/L=0.2Vrms
G=+12dB
BW < 125kHz
Tamb = 25
°C
Frequency (Hz)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
20
40
60
80
100
Minimum Input
Impedance
Maximum Input
Impedance
Typical Input
Impedance
Phone In IHF Input
Tamb=25
°C
Input Capacitor ( F)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
10
20
30
40
Minimum Input
Impedance
Maximum Input
Impedance
Typical Input
Impedance
Phone In HS Input
Rin & Lin Inputs
All gain setting
Tamb=25
°C
Input Capacitor ( F)
-20
0
1
10
100
Cin=1
µF
Cin=470nF
Cin=220nF
Cin=100nF
Phone In Hs / Rin & Lin Inputs
Tamb=25
°C
6
-6
-36
-40.5
12
-34.5
Gain Setting (dB)
0
25
50
75
100
125
150
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
No Heat sink
Heat sink surface = 125mm
2
Ambiant Temperature ( C)



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