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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Electrical characteristics
Figure 50. THD + N vs. output power
10
RL = 16 Ω
F = 20kHz
Av = 2
Cb = 1 μ F
Vcc=2.2V
1
BW < 125kHz
Tamb = 25 ° C
Vcc=2.6V
0.1
Vcc=3.3V
0.01
1E-3
0.01
Output Power (W)
Figure 52. SNR vs. power supply with
unweighted filter (20Hz to 20kHz)
110
RL=16 Ω
105
100
95
RL=4 Ω
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 54. THD + N vs. frequency
RL=16 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
0.1
Vcc=5V, Po=0.55W
Vcc=2.2V, Po=100mW
0.01
20
100
1000
Frequency (Hz)
16/32
Figure 51. THD + N vs. frequency
0.1
Vcc=5V
0.01
20
0.1
1
Figure 53. THD + N vs. frequency
1
RL=8 Ω
0.1
4.0
4.5
5.0
20
Figure 55. SNR vs. power supply with
95
90
85
80
75
70
10000
20k
RL=8 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
Vcc=5V, Po=1W
Vcc=2.2V, Po=130mW
100
1000
Frequency (Hz)
RL=4 Ω
Av=2
Cb = 1 μ F
Bw < 125kHz
Tamb = 25 ° C
Vcc=5V, Po=1.3W
Vcc=2.2V, Po=150mW
100
1000
Frequency (Hz)
unweighted filter (20Hz to 20kHz)
RL=16 Ω
RL=8 Ω
RL=4 Ω
Av = 10
Cb = 1 μ F
THD+N < 0.7%
Tamb = 25 ° C
2.5
3.0
3.5
4.0
4.5
Power Supply Voltage (V)
TS4990
10000
20k
10000
20k
5.0