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TS4621B 数据表(PDF) 13 Page - STMicroelectronics

部件名 TS4621B
功能描述  High-performance class-G stereo headphone amplifier with I2C volume control
PDF  48 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4621B 数据表(HTML) 13 Page - STMicroelectronics

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TS4621B
Electrical characteristics
Doc ID 022194 Rev 2
13/48
Figure 4.
Current consumption vs. power
supply voltage
Figure 5.
Standby current consumption vs.
power supply voltage
2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
No load; No input Signal
Both channels enabled
Ta = 25
°C
Power Supply Voltage Vcc (V)
No load; No input Signal
SDA=SCL = 0V
Ta = 25
°C
Figure 6.
Maximum output power vs. load
in-phase
Figure 7.
Maximum output power vs. load
out-of-phase
10
100
1k
0
10
20
30
40
50
60
70
80
VCC=2.3V
VCC=3.6V
Inputs = 0
°, F = 1kHz
THD+N = 1%
Tamb = 25
°C
VCC=4.8V
RL Load resistance ( )
10
100
1k
0
10
20
30
40
50
60
70
80
VCC=2.3V
VCC=3.6V
Inputs = 180
°, F = 1kHz
THD+N = 1%
Tamb = 25
°C
VCC=4.8V
RL Load resistance ( )
Figure 8.
Maximum output power vs. power
supply voltage, RL = 16
Ω
Figure 9.
Maximum output power vs. power
supply voltage, RL = 32
Ω
2.3
2.7
3.1
3.5
3.9
4.3
4.7
0
20
40
60
80
100
120
THD+N=10% (180
°)
THD+N=10% (0
°)
THD+N=1% (0
°)
RL = 16
Ω, F = 1kHz
BW < 30kHz, Tamb = 25
°C
THD+N=1% (180
°)
Power Supply Voltage Vcc (V)
2.3
2.7
3.1
3.5
3.9
4.3
4.7
0
20
40
60
80
THD+N=10% (180
°)
THD+N=10% (0
°)
THD+N=1% (0
°)
RL = 32
Ω, F = 1kHz
BW < 30kHz, Tamb = 25
°C
THD+N=1% (180
°)
Power Supply Voltage Vcc (V)



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