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TS4909 Datasheet(PDF) 10 Page - STMicroelectronics

Part # TS4909
Description  Dual mode low power 150 mW stereo headphone amplifier with capacitor-less and single-ended outputs
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4909 Datasheet(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
TS4909
10/35
Doc ID 11972 Rev 9
Figure 2.
Open-loop frequency response,
RL = 1 MΩ
Figure 3.
Open-loop frequency response,
RL = 100 Ω, CL = 400 pF
10
-1
10
10
3
10
5
10
7
-5 0
-2 5
0
25
50
75
100
125
150
-2 70
-2 25
-1 80
-1 35
-9 0
-4 5
0
45
90
gain
phas e
RL = 1 M
Ω, T
AM B
=25°C
Frequency (Hz)
10
-1
10
10
3
10
5
10
7
-10 0
-7 5
-5 0
-2 5
0
25
50
75
10 0
-2 70
-2 25
-1 80
-1 35
-9 0
-4 5
0
45
90
gain
phas e
R L =100
Ω, CL=400pF, T
AM B
=25°C
Frequency (Hz)
Figure 4.
Open-loop frequency response,
RL = 1 MΩ, CL = 100 pF
Figure 5.
Open-loop frequency response,
RL = 16 Ω
10
-1
10
10
3
10
5
10
7
-5 0
-2 5
0
25
50
75
100
125
150
-2 70
-2 25
-1 80
-1 35
-9 0
-4 5
0
45
90
gain
phas e
RL = 1 M
Ω, CL=100pF, T
AM B
=25°C
Frequency (Hz)
10
-1
10
10
3
10
5
10
7
-10 0
-7 5
-5 0
-2 5
0
25
50
75
10 0
-2 70
-2 25
-1 80
-1 35
-9 0
-4 5
0
45
90
gain
phas e
RL = 1 6
Ω, T
AM B
=25°C
Frequency (Hz)
Figure 6.
Open-loop frequency response,
RL = 16 Ω, CL = 400 pF
Figure 7.
Output swing vs. power supply
voltage
10
-1
10
10
3
10
5
10
7
-10 0
-7 5
-5 0
-2 5
0
25
50
75
10 0
-2 70
-2 25
-1 80
-1 35
-9 0
-4 5
0
45
90
gain
phas e
RL = 1 6
Ω, CL=400pF, T
AM B
=25°C
Frequency (Hz)
23
45
6
0
1
2
3
4
5
6
RL = 1 6
Ω
T
AM B
= 25°C
Power Supply Voltage (V)
RL = 3 2
Ω



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