Description
Pin No.
O
I I
Description RF PLL power supply(2.7V to 4.0V).Must be equal to VDDIF.Power supply for RF charge pump.Must be ≥ VDDRF and VDDIF.RF charge pump output.Connected to an external loop filter.Ground for RF PLL digital circuitry.RF prescaler input.Small signal input from the external VCO.RF prescaler complementary input.For a single-ended output RF VCO, a bypass capacito
Features
- High operating frequency dual synthesizer.
- S1M8831A: 0.71 to 1.2GHz(RF)/ 45 to 520MHz(IF).
- S1M8833: 1.6 to 1.65GHz(RF)/ 45 to 520MHz(IF).
- Operating voltage range: 2.7 to 4.0V Low current consumption (S1M8831A: 5.0mA, S1M8833: 7.0mA) Selectable power saving mode (ICC = 1uA typical @ 3V) Dual-modulus prescaler and Fractional-N/Integer-N:.
- S1M8831A.
- S1M8833.
- S1M8831A/33.