The SP5848 is a dual PLL frequency synthesizer controlled by a 3-wire bus optimized for application in double conversion tuners.
The Mitel SP5848 is a dual independent PLL frequency synthesizer in a single package, optimized for double conversion cable tuners. It features a 2.2GHz up-synthesizer and a 1.3GHz down-synthesizer, both offering low phase noise performance. The device includes a common reference oscillator and divider with independently selectable ratios for each synthesizer.
| Supply current | 18 to 22 mA |
|---|---|
| Synthesiser 1 phase noise | -148 dBc/Hz |
| Synthesiser 2 phase noise | -144 dBc/Hz |
| Power consumption | typ 100mW at 5V |
It is optimized for application in double conversion tuners, specifically TV, VCR, and cable tuning systems.
The device is programmed via a 3-wire bus consisting of clock, data, and enable lines.
The device operates within an ambient temperature range of -40°C to +80°C.