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LMX2487E |
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| Part Number | LMX2487E |
| Manufacturer | National Semiconductor |
| Description | The LMX2487E is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL. It is fabricated using National Semiconductor’s advanced process. With delta-sigma architect... |
| Features |
Quadruple Modulus Prescalers for Lower Divide Ratios ■ RF PLL: 16/17/20/21 or 32/33/36/37 ■ IF PLL: 8/9 or 16/17 Advanced Delta Sigma Fractional Compensation ■ 12 bit or 22 bit selectable fractional modulus ■ Up to 4th order programmable delta-sigma modulator Features for Improved Lock Times and Programming ■ Fastlock / Cycle slip reduction ■ Integrated time-out counter ■ Single word write to change frequencies with Fastlock Wide Operating Range ■ LMX2487E RF PLL: 3.0 GHz to 7.5 GHz Useful Features ■ Digital lock detect output ■ Hardware and software power-down control ■ On-chip crystal refere... |
| Document |
 LMX2487E Data Sheet
PDF 729.99KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LMX2487 |
National Semiconductor |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 2 | LMX2487 |
Texas Instruments |
Frequency Synthesizers |
|
| 3 | LMX2487E |
Texas Instruments |
Frequency Synthesizers |
|
| 4 | LMX2485 |
National Semiconductor |
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
|
| 5 | LMX2485 |
Texas Instruments |
3-GHz Delta-Sigma Low-Power Dual PLLatinum Frequency Synthesizer |
|