Features: ·Low-Phase-Noise Oscillator: -110dBc/Hz (25kHz offset from carrier) Attainable·Operates from Single +2.7V to +5.25V Supply·Low-Cost Silicon Bipolar Design·Two Output Buffers Provide Load Isolation·Insensitive to Supply Variations·Low, 27mW Power Consumption (VCC = 3.0V)·Low-Current Shutd...
MAX2620: Features: ·Low-Phase-Noise Oscillator: -110dBc/Hz (25kHz offset from carrier) Attainable·Operates from Single +2.7V to +5.25V Supply·Low-Cost Silicon Bipolar Design·Two Output Buffers Provide Load I...
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The MAX2620 combines a low-noise oscillator with two output buffers in a low-cost, plastic surface-mount, ultra-small µMAX package. This device integrates functions typically achieved with discrete components. The oscillator exhibits low phase noise when properly mated with an external varactor-tuned resonant tank circuit. Two buffered outputs are provided for driving mixers or prescalers. The buffers provide load isolation to the oscillator and prevent frequency pulling due to load-impedance changes. Power consumption is typically just 27mW in operating mode (VCC = 3.0V), and drops to less than 0.3µW in standby mode. The MAX2620 operates from a single +2.7V to +5.25V supply.