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TS4871IST 数据表(PDF) 16 Page - STMicroelectronics

部件名 TS4871IST
功能描述  Output rail-to-rail 1 W audio power amplifier with standby mode
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4871IST 数据表(HTML) 16 Page - STMicroelectronics

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Figure 48. THD + N vs frequency, Vcc=3.3 V
20
100
1000
10000
0.1
1
Pout = 270mW
Pout = 540mW
RL = 4Ω, Vcc = 3.3V
Gv = 2
Cb = 1µF
BW < 125kHz
Tamb = 25°C
Frequency (Hz)
Figure 49. THD + N vs frequency, Gv=10
20
100
1000
10000
0.1
1
Pout = 270mW
Pout = 540mW
RL = 4Ω, Vcc = 3.3V
Gv = 10
Cb = 1µF
BW < 125kHz
Tamb = 25°C
Frequency (Hz)
Figure 50. THD + N vs frequency, Vcc=2.6 V
20
100
1000
10000
0.1
1
Pout = 120mW
Pout = 240mW
RL = 4Ω, Vcc = 2.6V
Gv = 2
Cb = 1µF
BW < 125kHz
Tamb = 25°C
Frequency (Hz)
Figure 51. THD + N vs frequency, Vcc=2.6 V,
RL = 4 Ω
20
100
1000
10000
0.1
1
Pout = 240 & 120mW
RL = 4Ω, Vcc = 2.6V
Gv = 10
Cb = 1µF
BW < 125kHz
Tamb = 25°C
Frequency (Hz)
Figure 52. THD + N vs frequency, Vcc=5 V, RL=8 Ω
20
100
1000
10000
0.1
1
Cb = 0.1µF
Cb = 1µF
RL = 8Ω
Vcc = 5V
Gv = 2
Pout = 900mW
BW < 125kHz
Tamb = 25°C
Frequency (Hz)
Figure 53. THD + N vs frequency, Pout=450 mW
20
100
1000
10000
0.1
1
Cb = 0.1µF
Cb = 1µF
RL = 8Ω
Vcc = 5V
Gv = 2
Pout = 450mW
BW < 125kHz
Tamb = 25°C
Frequency (Hz)
TS4871
Electrical characteristics curves
DS2547 - Rev 10
page 16/42



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