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TS4909 数据表(PDF) 16 Page - STMicroelectronics

部件名 TS4909
功能描述  Dual mode low power 150 mW stereo headphone amplifier with capacitor-less and single-ended outputs
PDF  35 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4909 数据表(HTML) 16 Page - STMicroelectronics

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Electrical characteristics
TS4909
16/35
Doc ID 11972 Rev 9
Figure 38. Output power vs. load resistance,
PHG, Vcc = 3 V
Figure 39. Output power vs. load resistance,
SE, Vcc = 3 V
16
3 2
48
6 4
80
9 6
0
20
40
60
80
T H D+N=1 0 %
P h anto m G roun d
V cc= 3 V , F = 1kH z
Av = -1 , T
AM B
=2 5 ° C
B W = 2 0 H z -120 kH z
Load Resistance (Ω)
T H D+N=1 %
16
3 2
48
6 4
80
9 6
0
20
40
60
80
T H D+N=1 0 %
Sin g le En d e d
V cc= 3 V , F = 1kH z
Av = -1 , T
AM B
=2 5 ° C
B W = 2 0 H z -120 kH z
Load Resistance (Ω)
T H D+N=1 %
Figure 40. Output power vs. load resistance,
PHG, Vcc = 5 V
Figure 41. Output power vs. load resistance,
SE, Vcc = 5 V
16
3 2
4 8
64
80
9 6
0
50
10 0
15 0
20 0
T H D+ N= 1 0 %
Pha n to m G roun d
Vcc=5V, F= 1kH z
Av= -1 , T
AM B
=2 5 ° C
BW = 2 0H z-120 kH z
Load Resistance (Ω)
T HD+ N= 1 %
16
3 2
4 8
64
80
9 6
0
50
10 0
15 0
20 0
T HD+ N= 1 0 %
Sing le End e d
Vcc=5V, F= 1kH z
Av= -1 , T
AM B
=2 5 ° C
BW = 2 0H z-120 kH z
Load Resistance (Ω)
T HD+ N= 1 %
Figure 42. Power dissipation vs. output power,
PHG, Vcc = 2.6 V
Figure 43. Power dissipation vs. output power,
SE, Vcc = 2.6 V
0
5
10
15
20
2 5
30
35
4 0
0
10
20
30
40
50
60
70
80
RL = 3 2
Ω
RL = 1 6
Ω
Phan to m G roun d
Vcc=2.6V, F = 1kH z
T HD+ N< 1 %
Output Power (mW)
0
5
10
15
20
2 5
30
35
4 0
0
5
10
15
20
25
30
RL = 3 2
Ω
RL = 1 6
Ω
Sin g le En d e d
V cc= 2.6 V , F = 1k H z
T H D+ N< 1 %
Output Power (mW)



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