TS4990IQT STMicroelectronics, TS4990IQT Datasheet - Page 13
TS4990IQT
Manufacturer Part Number
TS4990IQT
Description
IC AMP AUDIO PWR 1.2W MONO 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.TS4990IST.pdf
(32 pages)
Specifications of TS4990IQT
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-DFN
For Use With
497-6383 - BOARD DEMO FOR TS4990
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-5200-2
TS4990IQT
TS4990IQT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TS4990IQT
Manufacturer:
ST
Quantity:
65 100
Part Number:
TS4990IQT
Manufacturer:
ST
Quantity:
20 000
TS4990
Figure 32. Power dissipation vs. P
Figure 34. Clipping voltage vs. power supply
Figure 36. Clipping voltage vs. power supply
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
Vcc=3.3V
F=1kHz
THD+N<1%
Tamb = 25 ° C
Tamb = 25 ° C
voltage and load resistor
voltage and load resistor
2.5
2.5
0.1
RL=16 Ω
0.2
3.0
3.0
Power supply Voltage (V)
Power supply Voltage (V)
Output Power (W)
0.3
3.5
3.5
RL = 4 Ω
RL = 8 Ω
RL = 4 Ω
0.4
RL = 8 Ω
4.0
4.0
0.5
RL = 16 Ω
RL = 16 Ω
RL=8 Ω
out
RL=4 Ω
4.5
4.5
0.6
0.7
5.0
5.0
Figure 33. Power derating curves
Figure 35. Power dissipation vs. P
Figure 37. Current consumption vs. power
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
1.2
1.0
0.8
0.6
0.4
0.2
0.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
0
0
No load
Tamb=25 ° C
Vcc=2.6V
F=1kHz
THD+N<1%
supply voltage
25
No Heat sink
1
0.1
RL=16 Ω
Ambiant Temperature ( C)
Power Supply Voltage (V)
50
Output Power (W)
2
Electrical characteristics
Heat sink surface ≈ 100mm
(See demoboard)
75
0.2
RL=8 Ω
3
100
0.3
out
4
125
RL=4 Ω
2
150
0.4
5
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