STW81101 is a multi-band RF frequency synthesizer with integrated VCOs. It features an integer-N frequency synthesizer, dual differential integrated VCOs with automatic center frequency calibration, excellent integrated phase noise, fast lock time, and more.
The STMicroelectronics STW81101 is an integer-N frequency synthesizer featuring dual differential integrated Voltage Controlled Oscillators (VCOs) with automatic center frequency calibration. It covers multiple frequency bands including 825-975 MHz, 950-1100 MHz, 1650-1950 MHz, 1900-2200 MHz, 3300-3900 MHz, and 3800-4400 MHz through direct output or internal division.
| Supply Voltage (Analog/Digital) | 3.0 V to 3.6 V |
|---|---|
| Operating Temperature Range | -40 °C to +85 °C |
| Maximum Junction Temperature | 125 °C |
| Lock Time | 150 µs |
| Package Type | VFQFPN28 (5 x 5 x 1.0 mm) |
The device supports 3300-3900 MHz and 3800-4400 MHz for direct output.
The device supports 1650-1950 MHz and 1900-2200 MHz with an internal divider by 2.
The counters allow a feedback division ratio from 256 to 65551 for prescaler 16/17.