sta538 STMicroelectronics, sta538 Datasheet - Page 14

• Manufacturer Part Number: sta538
• Description: 2 X 1.3 W Class-d Amplifier With Analog Or Digital Input 2.0 Multichannel Digital Audio Processor With Ffx
• Manufacturer: STMicroelectronics

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