TS4990IQT STMicroelectronics, TS4990IQT Datasheet - Page 12

IC AMP AUDIO PWR 1.2W MONO 8DFN

TS4990IQT

Manufacturer Part Number
TS4990IQT
Description
IC AMP AUDIO PWR 1.2W MONO 8DFN
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

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

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Electrical characteristics
12/32
Figure 26. Output power vs. power supply
Figure 28. Output power vs. load resistor
Figure 30. Output power vs. load resistor
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
0.8
0.6
0.4
0.2
0.0
4
RL = 16 Ω
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
2.5
voltage
8
8
THD+N=1%
THD+N=1%
3.0
12
Load Resistance ( )
Load Resistance ( )
THD+N=10%
3.5
THD+N=10%
THD+N=10%
16
16
Vcc (V)
4.0
20
THD+N=1%
4.5
24
24
Vcc = 3.3V
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
Vcc = 2.6V
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
5.0
28
5.5
32
32
Figure 27. Output power vs. load resistor
Figure 29. Output power vs. power supply
Figure 31. Power dissipation vs. P
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
4
RL = 32 Ω
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
Vcc=5V
F=1kHz
THD+N<1%
2.5
voltage
0.2
8
THD+N=1%
3.0
0.4
12
Load Resistance ( )
THD+N=10%
0.6
3.5
Output Power (W)
THD+N=10%
16
RL=16 Ω
Vcc (V)
0.8
4.0
20
1.0
THD+N=1%
4.5
RL=8 Ω
24
RL=4 Ω
1.2
Vcc = 5V
F = 1kHz
BW < 125kHz
Tamb = 25 ° C
out
5.0
28
1.4
TS4990
5.5
1.6
32

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