TS4998 STMicroelectronics, TS4998 Datasheet - Page 17

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

TS4998
Figure 50. Current consumption vs. standby
Figure 52. Current consumption vs. standby
Figure 54. Frequency response
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
8
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
0.0
0
20
voltage
voltage
0.5
Cin=4.7
Cin=680nF, Rin=12k
Cin=4.7
Cin=330nF, Rin=24k
1
100
μ
μ
F, Rin=12k
F, Rin=24k
Standby Voltage (V)
Standby Voltage (V)
1.0
Frequency (Hz)
2
One channel active
Both channels active
Ω
Ω
Ω
1000
Ω
1.5
One channel active
Both channels active
3
Vcc = 5V
Po = 700mW
ZL = 8
Tamb = 25
2.0
Vcc = 5V
No load
Tamb = 25
Vcc = 2.7V
No load
Tamb = 25
4
Ω
+ 500pF
10000
°
C
2.5
°
°
C
C
20k
5
Figure 51. Current consumption vs. standby
Figure 53. Standby current vs. power supply
Figure 55. Frequency response
14
13
12
11
10
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
9
8
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
0.0
20
0
No load
Tamb = 25
0.5
voltage
voltage
Cin=4.7
Cin=680nF, Rin=12k
Cin=4.7
Cin=330nF, Rin=24k
1
100
°
C
1.0
Power Supply Voltage (V)
μ
μ
F, Rin=12k
F, Rin=24k
Standby Voltage (V)
Frequency (Hz)
2
1.5
Electrical characteristics
One channel active
Ω
Ω
Ω
1000
Ω
3
2.0
Both channels active
Vcc = 3.3V
Po = 300mW
ZL = 8
Tamb = 25
2.5
4
Vcc = 3.3V
No load
Tamb = 25
Ω
+ 500pF
10000
°
C
3.0
5
°
17/33
C
20k