TS4994EIKJT STMICROELECTRONICS [STMicroelectronics], TS4994EIKJT Datasheet - Page 22

• Manufacturer Part Number: TS4994EIKJT
• Description: 1.2 W differential input/output audio power amplifier with selectable standby
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
22/35
Figure 86. SNR vs. power supply voltage with
Figure 88. Startup time vs. bypass capacitor
110
105
100
95
90
85
80
20
15
10
2.5
5
0
0.0
Av = 2.5
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
Tamb=25 ° C
unweighted filter
0.4
3.0
Power Supply Voltage (V)
Bypass Capacitor Cb ( F)
Vcc=5V
Vcc=2.6V
0.8
RL=4 Ω
RL=16 Ω
3.5
1.2
4.0
Vcc=3.3V
RL=8 Ω
1.6
4.5
2.0
5.0
Figure 87. SNR vs. power supply voltage with
110
105
100
95
90
85
80
2.5
Av = 2.5
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
RL=16 Ω
A-weighted filter
3.0
Power Supply Voltage (V)
RL=4 Ω
3.5
4.0
RL=8 Ω
4.5
TS4994FC
5.0