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STA538B Datasheet(PDF) 14 Page - STMicroelectronics

Part # STA538B
Description  2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX
PDF  59 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA538B Datasheet(HTML) 14 Page - STMicroelectronics

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Electrical specifications
STA538
14/59
The following tables give the distortion values for headphones and speakers.
3.3
Lock time
Table 10 gives the typical lock time of the PLL using the suggested loop filter, 1.8 V supply
voltage and 30 oC junction temperature.
Table 7.
Load power at 1% distortion headphone mode
Load (
Ω)
P (mW) at 1.8 V
P (mW) at 3.3 V
P (mW) at 3.6 V
16
20
70
80
32
10
32
40
Table 8.
Load power at 1% distortion speaker mode
Load (
Ω)
P (mW) at 1.8 V
P (mW) at 3.3 V
P (mW) at 3.6 V
4
240
860
1000
8
150
530
630
16
90
300
350
32
50
165
195
Table 9.
Load power at 10% distortion speaker mode
Load (
Ω)
P (mW) at 1.8 V
P (mW) at 3.3 V
P (mW) at 3.6 V
4
300
1100
1300
8
195
677
812
16
110
380
450
32
61
210
250
Table 10.
PLL lock time
Parameter
Value
Lock time
200 µs



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