TS4990EKIJT STMICROELECTRONICS [STMicroelectronics], TS4990EKIJT Datasheet - Page 14

• Manufacturer Part Number: TS4990EKIJT
• Description: 1.2 W audio power amplifier with active low standby mode
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
14/32
Figure 38. Current consumption vs. standby
Figure 40. THD + N vs. output power
Figure 42. Current consumption vs. standby
0.1
10
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1E-3
1
0.0
0
RL = 4 Ω
F = 20Hz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
Vcc = 2.2V
No load
Tamb=25 ° C
voltage @ V
voltage @ V
1
0.5
0.01
Output Power (W)
Standby Voltage (V)
Standby Voltage (V)
2
1.0
CC
CC
Vcc=2.2V
Vcc=2.6V
= 5V
= 2.2V
0.1
3
Vcc=3.3V
1.5
Vcc=5V
Vcc = 5V
No load
Tamb=25 ° C
4
1
2.0
5
Figure 39. Current consumption vs. standby
Figure 41. Current consumption vs. standby
Figure 43. THD + N vs. output power
0.01
0.1
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
10
1E-3
1
0.0
0.0
RL = 8 Ω
F = 20Hz
Av = 2
Cb = 1 μ F
BW < 125kHz
Tamb = 25 ° C
Vcc = 2.6V
No load
Tamb=25 ° C
Vcc = 3.3V
No load
Tamb=25 ° C
voltage @ V
voltage @ V
0.5
0.5
0.01
1.0
Standby Voltage (V)
Standby Voltage (V)
Output Power (W)
1.0
1.5
CC
CC
Vcc=2.6V
Vcc=2.2V
Vcc=3.3V
= 2.6V
= 3.3V
1.5
0.1
2.0
Vcc=5V
2.5
2.0
3.0
1
TS4990
2.5