TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 17

IC AMP AUDIO PWR 1.2W MONO 8MSOP

TS4990IST

Manufacturer Part Number
TS4990IST
Description
IC AMP AUDIO PWR 1.2W MONO 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

Specifications of TS4990IST

Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
1.2W x 1 @ 8 Ohm
Voltage - Supply
2.2 V ~ 5.5 V
Features
Depop, Differential Inputs, Standby, Thermal Protection
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
For Use With
497-6383 - BOARD DEMO FOR TS4990
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-4451-2
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TS4990
Figure 56. Signal to noise ratio vs. power
Figure 58. Signal to noise ratio vs. power
110
105
100
100
95
90
85
80
95
90
85
80
75
70
Av = 2
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
Av = 10
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
2.5
2.5
supply with a weighted filter
supply with a weighted filter
RL=16 Ω
RL=16 Ω
3.0
3.0
Power Supply Voltage (V)
Power Supply Voltage (V)
RL=4 Ω
RL=4 Ω
3.5
3.5
4.0
4.0
RL=8 Ω
RL=8 Ω
4.5
4.5
5.0
5.0
Figure 57. Output noise voltage
Figure 59. Output noise voltage device in
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
45
40
35
30
25
20
15
10
2
2
Vcc=2.2V to 5.5V
Cb=1 μ F
RL=8 Ω
Tamb=25 ° C
Vcc=2.2V to 5.5V
Cb=1 μ F
RL=8 Ω
Tamb=25 ° C
Unweighted Filter
device ON
Standby
4
4
Unweighted Filter
Closed Loop Gain
Closed Loop Gain
Electrical characteristics
6
6
A Weighted Filter
A Weighted Filter
8
8
10
10
17/32

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