IC AMP AUDIO PWR 1.2W MONO 8MSOP

TS4990IST

Manufacturer Part NumberTS4990IST
DescriptionIC AMP AUDIO PWR 1.2W MONO 8MSOP
ManufacturerSTMicroelectronics
TypeClass AB
TS4990IST datasheet
 


Specifications of TS4990IST

Output Type1-Channel (Mono)Max Output Power X Channels @ Load1.2W x 1 @ 8 Ohm
Voltage - Supply2.2 V ~ 5.5 VFeaturesDepop, Differential Inputs, Standby, Thermal Protection
Mounting TypeSurface MountPackage / Case8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
For Use With497-6383 - BOARD DEMO FOR TS4990Lead Free Status / RoHS StatusLead free / RoHS Compliant
Other names497-4451-2  
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TS4990
Figure 56. Signal to noise ratio vs. power
supply with a weighted filter
110
RL=16 Ω
105
100
RL=4 Ω
95
90
Av = 2
Cb = 1 μ F
85
THD+N < 0.7%
Tamb = 25 ° C
80
2.5
3.0
3.5
Power Supply Voltage (V)
Figure 58. Signal to noise ratio vs. power
supply with a weighted filter
100
RL=16 Ω
95
90
85
RL=4 Ω
80
Av = 10
Cb = 1 μ F
75
THD+N < 0.7%
Tamb = 25 ° C
70
2.5
3.0
3.5
Power Supply Voltage (V)
Figure 57. Output noise voltage
45
40
35
RL=8 Ω
30
25
20
15
10
4.0
4.5
5.0
2
Figure 59. Output noise voltage device in
2.0
1.8
1.6
1.4
RL=8 Ω
1.2
1.0
0.8
0.6
0.4
0.2
0.0
4.0
4.5
5.0
Electrical characteristics
device ON
Vcc=2.2V to 5.5V
Cb=1 μ F
RL=8 Ω
Tamb=25 ° C
Unweighted Filter
A Weighted Filter
4
6
8
Closed Loop Gain
Standby
Unweighted Filter
A Weighted Filter
Vcc=2.2V to 5.5V
Cb=1 μ F
RL=8 Ω
Tamb=25 ° C
2
4
6
8
Closed Loop Gain
10
10
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