TS4984 Datasheet, PDF (17/29 Pages) STMicroelectronics – 2 x 1W Stereo audio power amplifier with active low standby mode

Electrical characteristics
Figure 62: Output noise voltage, device in
standby
3.00
2.75
2.50
2.25
Unweighted Filter
2.00
1.75
A Weighted Filter
1.50
1.25
1.00
0.75 ^{Vcc = 2.2V to 5V}
0.50 ^{Cb = 1µF}
RL = 8Ω
0.25 _{Tamb = 25°C}
0.00
2
4
6
8
10
Closed Loop Gain
TS4984
Figure 63: Power derating curves
3.5
3.0
Mounted on 4-layer PCB with via
2.5
Mounted on 2-layer PCB
2.0
1.5
1.0
0.5
No Heat sink
0.0
0
25
50
75
100
125
150
Ambiant Temperature ( C)
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