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TS4997 Datasheet(PDF) 16 Page - STMicroelectronics

Part # TS4997
Description  2 x 1W differential input stereo audio amplifier with programmable 3D effects
PDF  34 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4997 Datasheet(HTML) 16 Page - STMicroelectronics

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Electrical characteristics
TS4997
16/34
Figure 44.
SNR vs. power supply voltage
Figure 45.
SNR vs. power supply voltage
2.5
3.0
3.5
4.0
4.5
5.0
5.5
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
3D HIGH
3D MEDIUM
3D LOW
3D OFF
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = +6dB, RL = 8
Ω
THD + N < 0.5%
Tamb = 25
°C
Supply Voltage (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
3D HIGH
3D MEDIUM
3D LOW
3D OFF
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = +6dB, RL = 16
Ω
THD + N < 0.5%
Tamb = 25
°C
Supply Voltage (V)
Figure 46.
Differential DC output voltage vs.
common mode input voltage
Figure 47.
Differential DC output voltage vs.
common mode input voltage
01
23
45
1E-3
0.01
0.1
1
10
100
1000
3D HIGH
3D MEDIUM
3D LOW
Vcc = 5V
G = +6dB
Tamb = 25
°C
Common Mode Input Voltage (V)
3D OFF
0.0
0.5
1.0
1.5
2.0
2.5
3.0
1E-3
0.01
0.1
1
10
100
1000
3D HIGH
3D MEDIUM
3D LOW
Vcc = 3.3V
G = +6dB
Tamb = 25
°C
Common Mode Input Voltage (V)
3D OFF
Figure 48.
Differential DC output voltage vs.
common mode input voltage
Figure 49.
Current consumption vs. power
supply voltage
0.0
0.5
1.0
1.5
2.0
2.5
1E-3
0.01
0.1
1
10
100
1000
3D HIGH
3D MEDIUM
3D LOW
Vcc = 2.7V
G = +6dB
Tamb = 25
°C
Common Mode Input Voltage (V)
3D OFF
0
1
2345
0
1
2
3
4
5
6
7
8
One channel active
No load
Tamb = 25
°C
Power Supply Voltage (V)
Both channels active



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