TDA7502 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7502 Datasheet PDF : 25 Pages
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Electrical specifications
2
Electrical specifications
TDA7502
Table 2. Absolute maximum ratings
Symbol
Parameter
Vdd DC supply voltage
Vin Digital input voltage (XTI and XTO only)
Vin Digital input voltage (1)
Tj Operating junction temperature range
Tstg Storage temperature
1. When the IC is powered.
Value
Unit
-0.5 to 4.6
V
-0.5 to (VDD +0.5)
V
6.5
V
-40 to 125
°C
-55 to 150
°C
Warning: Operation at or beyond these limit may result in permanent
damage to the device. Normal operation is not guaranteed at
these extremes.
Table 3. Thermal data
Symbol
Parameter
Rth j-amb (1) Thermal resistance junction to ambient
1. In still air.
Table 4.
Symbol
Recommended DC operating conditions
Parameter
Test condition
Vdd 3.3V power supply voltage
Table 5.
Symbol
Current consumption
Parameter
Idd Maximum current
Note:
50MHz internal DSP clock
Test condition
@3.3V and Tj =125°C
Table 6. Pll characteristics
Symbol
Parameter
Lock time (1)
Fvco VCO frequency (2)
1. Depending on VCO output frequency.
2. Fdsp = Fvco/2 when PLL is running
Test condition
@3.3V and Tj = 125°C
Value
68
Unit
°C/W
Min. Typ. Max. Unit
3.15 3.3 3.45
V
Min. Typ. Max. Unit
250 mA
Min.
70
Typ.
Max.
3
140
Unit
ms
MHz
8/25
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