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TDA7502 数据表(PDF) 8 Page - STMicroelectronics

部件名 TDA7502
功能描述  In-car remote amplifier DSP
PDF  25 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7502 数据表(HTML) 8 Page - STMicroelectronics

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



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