TS4998 STMicroelectronics, TS4998 Datasheet - Page 16

• Manufacturer Part Number: TS4998
• Description: 2 X 1w Differential Input Stereo Audio Amplifier
• Manufacturer: STMicroelectronics

Electrical characteristics
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Figure 44. SNR vs. power supply voltage
Figure 46. Differential DC output voltage vs.
Figure 48. Differential DC output voltage vs.
1000 Vcc = 5V
110
108
106
104
102
100
1E-3
1000 Vcc = 2.7V
0.01
1E-3
0.01
98
96
94
92
90
100
100
0.1
0.1
10
10
2.5
1
1
0.0
0
G = +6dB
Tamb = 25
G = +6dB
Tamb = 25
common mode input voltage
common mode input voltage
3.0
0.5
1
°
°
Common Mode Input Voltage (V)
C
Common Mode Input Voltage (V)
C
3.5
Supply Voltage (V)
1.0
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = +6dB, RL = 8
THD + N < 0.5%
Tamb = 25
2
4.0
1.5
°
C
3
4.5
Ω
2.0
5.0
4
2.5
5.5
5
Figure 45. SNR vs. power supply voltage
Figure 47. Differential DC output voltage vs.
Figure 49. Current consumption vs. power
110
108
106
104
102
100
1000 Vcc = 3.3V
1E-3
0.01
98
96
94
92
90
100
0.1
10
2.5
8
7
6
5
4
3
2
1
0
1
0.0
0
No load
Tamb = 25
G = +6dB
Tamb = 25
common mode input voltage
supply voltage
3.0
0.5
1
°
°
Common Mode Input Voltage (V)
C
C
Power Supply Voltage (V)
1.0
3.5
Supply Voltage (V)
2
Unweighted filter (20Hz to 20kHz)
F = 1kHz
G = +6dB, RL = 16
THD + N < 0.5%
Tamb = 25
1.5
4.0
3
One channel active
°
Both channels active
C
2.0
4.5
4
Ω
2.5
5.0
5
TS4998
3.0
5.5