ADF4159 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADF4159
Manufacturer

ADI
ChipWorker Part#

CW239381778
Description

Direct Modulation/Fast Waveform Generating, 13GHz, Fractional-N Frequency Synthesizer
Documentation

Datasheet

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ADF4159 Specifications

Attribute	Attribute Value

Part Number	ADF4159
Manufacturer	ADI
ChipWorker Part#	CW239381778
Documentation	Datasheet
	expand all
Product Lifecycle Status	Recommended for New Designs

Product Description

GENERAL DESCRIPTION
The ADF4159 is a 13 GHz, fractional-N frequency synthesizer with modulation and both fast and slow waveform generation capability. The part uses a 25-bit fixed modulus, allowing subhertz
frequency resolution. The ADF4159 consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. The Σ-Δ-based fractional interpolator allows programmable fractional-N division. The INT and FRAC registers define an overall N divider as N = INT + (FRAC/225).
FEATURES
RF bandwidth to 13 GHz
High and low speed FMCW ramp generation
25-bit fixed modulus allows subhertz frequency resolution
PFD frequencies up to 110 MHz
Normalized phase noise floor of −224 dBc/Hz
FSK and PSK functions
Sawtooth, triangular, and parabolic waveform generation
Ramp superimposed with FSK
Ramp with 2 different sweep rates
Ramp delay, frequency readback, and interrupt functions
Programmable phase control
2.7 V to 3.45 V analog power supply
1.8 V digital power supply
Programmable charge pump currents
3-wire serial interface
Digital lock detect
ESD performance: 3000 V HBM, 1000 V CDM
APPLICATIONS
FMCW radars
Communications test equipment
Communications infrastructure

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