TS4990IST STMicroelectronics, TS4990IST Datasheet - Page 17
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TS4990IST
Manufacturer Part Number
TS4990IST
Description
IC AMP AUDIO PWR 1.2W MONO 8MSOP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4990IST.pdf
(32 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TS4990IST
Manufacturer:
ST
Quantity:
56 000
Company:
Part Number:
TS4990IST
Manufacturer:
ST
Quantity:
3 190
Part Number:
TS4990IST
Manufacturer:
ST
Quantity:
20 000
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
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