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PDF NTE1849 Data sheet ( Hoja de datos )
| Número de pieza | NTE1849 | |
| Descripción | Integrated Circuit Frequency Synthesizer for TV Tuning Systems | |
| Fabricantes | NTE | |
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NTE1849
Integrated Circuit
Frequency Synthesizer for TV Tuning Systems
Description:
The NTE1849 is a CMOS frequency synthesizer for TV tuning systems consisting of a 13–bit pro-
grammable divider, 12–bit divider and phase comparator circuits.
Absolute Maximum Ratings: (VSS = 0V, TA = +25°C unless otherwise specified)
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to +9V
Input Voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to VDD +0.3V
Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to VDD +0.3V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +100°C
Operating Conditions: (VSS = 0V, TA = 0° to +70°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Voltage
VDD
6.5 7.0 7.5 V
Electrical Characteristics: (VDD = 7V, VSS = 0V, TA = 0° to +70°C unless otherwise specified)
Parameter
Symbol Test Conditions
Min Typ Max Unit
Supply Current
Total Power Dissipation
Input Terminal (LFI)
IDD TA = +25°C, VDD = 7V,
Ptot without load
–
–
– 15 mA
– 105 mW
Maximum Input Signal Frequency
Input Voltage Swing
Input Current
Input Terminal (PI0 to PI3, LDI)
fi(max)
Vi
II(1)
Input Sine Wave,
Free Running LFI
VI = VSS to VDD
15.6 –
– MHz
0.7 –
– Vp–p
–50 – +50 µA
“H” Level Input Voltage
“L” Level Input Voltage
Input Current
VIH
VIL
II(2) VI = VSS to VDD
3.4
–
VDD
V
VSS – 0.8 V
–10 – +10 µA
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet NTE1849.PDF ] | |
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