特性 Features

? Supports on-chip VCO or external VCO

? Single differential output with frequency range:

34.375MHz to 4400MHz

(continuous range)

? RF output divide by 1, 2, 4, 8, 16, 32, 64

? Open drain output (see Output Distribution Section)

? Fractional-N synthesizer (also supports Integer-N

mode)

? 16-bit integer and 32-bit fractional/32-bit modulus

? 3- or 4-wire SPI interface (compatible with 3.3V and

1.8V)

? Single 3.3V supply

? Programmable output power level: -4dBm to

?11.5dBm

? Mute function

? Ultra low phase noise for 2GHz LO: -133dBc/Hz at

1MHz offset, (typical)

? Normalized phase noise floor: -228dBc/Hz

? Lock detect Indicators

? Input reference frequency: 5MHz to 310MHz

? Power consumption: 380mW (typical)

? 5 × 5 mm, 32-VFQFPN package

? Automatic VCO band selection (Autocal feature)

? -40°C to +85°C ambient operating temperature

? Supports case temperature ??105°C operations

? Lead-free (RoHS 6) packaging