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TS4974IQT Datenblatt(Datasheet) 10 Page - STMicroelectronics

Teile-Nr. TS4974IQT
Beschreibung  1W differential audio power amplifier with up/down digital volume control pins
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 10 page
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Electrical characteristics
TS4974
10/25
Figure 8.
THD+N vs. output power
Figure 9.
THD+N vs. output power
1E-3
0.01
0.1
1
0.1
1
10
Vcc=2.6V
Vcc=3.3V
Vcc=5V
RL = 16
Ω
G = 0dB
F = 20kHz
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Output power (W)
1E-3
0.01
0.1
1
0.1
1
10
Vcc=2.6V
Vcc=3.3V
Vcc=5V
RL = 16
Ω
G = 12dB
F = 20kHz
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Output power (W)
Figure 10.
THD+N vs. frequency
Figure 11.
THD+N vs. frequency
100
1000
10000
0.1
1
10
Vcc=2.6V
Pout=150mW
Vcc=3.3V
Pout=250mW
Vcc=5V
Pout=500mW
RL = 8
Ω
G = 0dB
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Frequency (dB)
100
1000
10000
0.1
1
10
Vcc=2.6V
Pout=150mW
Vcc=3.3V
Pout=250mW
Vcc=5V
Pout=500mW
RL = 8
Ω
G = 12dB
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Frequency (dB)
Figure 12.
THD+N vs. frequency
Figure 13.
THD+N vs. frequency
100
1000
10000
0.1
1
10
Vcc=2.6V
Pout=90mW
Vcc=3.3V
Pout=150mW
Vcc=5V
Pout=300mW
RL = 16
Ω
G = 0dB
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Frequency (dB)
100
1000
10000
0.1
1
10
Vcc=2.6V
Pout=90mW
Vcc=3.3V
Pout=150mW
Vcc=5V
Pout=300mW
RL = 16
Ω
G = 12dB
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Frequency (dB)




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