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參數(shù)資料
| 型號： | TDA7580 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-64 |
| 文件頁數(shù)： | 8/39頁 |
| 文件大小： | 616K |
| 代理商： | TDA7580 |
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Block diagram and electrical specifications
TDA7580
Note:
The accuracy depends on the quartz frequency precision: high stability oscillator
Table 10.
Oscillator characteristics
(Tj =-40°C to 125°C; VDD =1.7V to 1.9V, VDD3 = 3.15V to 3.45V)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
FOSCFM Oscillator frequency (XTI/XTO)
74.1
MHz
Table 11.
Crystal characteristics for 1 and 2 chip load
Parameter name
Parameter value
1 chip load
2 chips load
Temperature range
-55°C÷125°C
Adjustment tolerance (@ 25°C ± 3°C)
± 30 ppm
Frequency stability (-20°C÷+70°C)
± 50 ppm
Aging @ 25°C
5 ppm/year
Shunt (static) capacitance [Co]
<5pF
Motional capacitance
1fF ± 30%
Mode of oscillation
AT-3rd
Resonance resistance
< 75 ohm
< 45 ohm
Capacitive load for oscillation frequency =
74.1MHz
10pF
12pF
Table 12.
External clock signal on XTI (In case the device is driven by an external clock
through the XTI pin, the characteristics reported in this table have to be met)
Parameter name
Parameter value
Min
Typ
Max
Unit
Clock frequency
74.10
MHz
Frequency stability (-20°C÷+70°C)
-50
50
ppm
Clock jitter
10
ps rms
Start up time
5
ms
Clock level (sine wave) (1)
1.
specified @ XTI pin of TDA7580
220
640
mV rms
Clock level (square wave) (1)
0.50
1.80
V p-p
Clock duty cycle (square wave)
45
55
%
Clock rise / fall time (square wave) (1)
500
ps
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