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PDF NTE7108 Data sheet ( Hoja de datos )
| Número de pieza | NTE7108 | |
| Descripción | Integrated Circuit 1.3GHz Phase Locked Loop w/I2C Bus | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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NTE7108
Integrated Circuit
1.3GHz Phase Locked Loop w/I2C Bus
Description:
The NTE7108 is an integrated circuit in an 18–Lead DIP type package and when used in combination
with a VCO (tuner), comprises a digital programmable phase–locked loop (PLL) for television devices
designed to use the PLL frequency synthesis tuning principle.
The PLL provides a crystal–stable frequency for tuner oscillators between 16 ∼ 1300MHz in the
62.5kHz raster. By including an external prescaler 1/2, the component can also be used for synthesiz-
ing applications of up to 2.4GHz (e.g. satellite receivers). As a result, the resolution is doubled to
125kHz. The tuning process is controlled via an I2C bus by the microprocessor.
Features:
D Low Current Consumption
D Message Transmission Via I2C Bus
D 4 Software–Controlled Outputs
D Cost–Effective and Space–Saving Design
D Prescaler Output Frequency is Free from Interference Radiation
Absolute Maximum Ratings: (Note 1)
Supply Voltage, VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 6V
Output PD, V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VS
Crystal Q1, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VS
Crystal Q2, V3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VS
Bus Input/Output SDA, V4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VS
Bus Input SCL, V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VS
Port Output P7, V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P6, V7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P5, V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P4, V9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P3, V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P2, V11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P1, V12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Port Output P0, V13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +16V
Signal Input UHF/VHF, V15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +2.5V
Reference Input REF, V16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to +2.5V
Output Active Filter VD, V18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to VS
Bus Output SDA (Open Collector), I4L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1mA to +5mA
Port Output P7 (Open Collector), I6L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1mA to +5mA
Note 1. Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage
to the device. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet NTE7108.PDF ] | |
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