Analog Devices MAX2880 Product Info

• Integer and Fractional-N Modes
• 250MHz to 12.4GHz Broadband RF Input
• Normalized In-Band Noise Floor
  • -229dBc/Hz in Integer Mode
  • -227dBc/Hz in Fractional Mode
• -10dBm to +5dBm Wide Input Sensitivity
• Low-Noise Phase Frequency Detector
  • 125MHz in Fractional Mode
  • 140MHz in Integer Mode
• Reference Frequency Up to 210MHz
• Operates from +2.8V to +3.6V Supply
• Cycle Slip Reduction and Fast Lock
• Software and Hardware Shutdown
• Software Lock Detect
• On-Chip Temperature Sensor
• Compatible with +1.8V Control Logic
• Phase Adjustment

The MAX2880 is a high-performance phase-locked loop (PLL) capable of operating in both integer-N and fractional-N modes. Combined with an external reference oscillator, loop filter, and VCO, the device forms an ultra-low noise and low-spur frequency synthesizer capable of accepting RF input frequencies of up to 12.4GHz.

The MAX2880 consists of a high-frequency and low-noise-phase frequency detector (PFD), precision charge pump, 10-bit programmable reference counter, 16-bit integer N counter, and 12-bit variable modulus fractional modulator.

The MAX2880 is controlled by a 3-wire serial interface and is compatible with 1.8V control logic. The device is available in a lead-free, RoHS-compliant, 20-pin TQFN package, and operates over an extended -40°C to +85°C temperature range.

Applications

• Microwave Point-to-Point Systems
• RF DAC and ADC Clocks
• Satellite Communications
• Test and Measurement
• Wireless Infrastructure