ADF4158

RECOMMENDED FOR NEW DESIGNS

Direct Modulation/Waveform Generating, 6.1 GHz Fractional-N Frequency Synthesizer

Data Sheet (Rev. I) Product Selection Table

Part Models: 4
1ku List Price: Starting From $6.00

Viewing:

Overview

RF bandwidth to 6.1 GHz
25-bit fixed modulus allows subhertz frequency resolution
Frequency and phase modulation capability
Sawtooth and triangular waveforms in the frequency domain
Parabolic ramp
Ramp superimposed with FSK
Ramp with 2 different sweep rates
Ramp delay
Ramp frequency readback
Ramp interruption
2.7 V to 3.3 V power supply
Separate V_P allows extended tuning voltage
Programmable charge pump currents
3-wire serial interface
Digital lock detect
Power-down mode
Cycle slip reduction for faster lock times
Switched bandwidth fast-lock mode
Qualified for automotive applications

The ADF4158 is a 6.1 GHz, fractional-N frequency synthesizer with modulation and waveform generation capability. It contains a 25-bit fixed modulus, allowing subhertz resolution at 6.1 GHz. It consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. There is a sigma-delta (Σ-Δ) based fractional interpolator to allow programmable fractional-N division. The INT and FRAC registers define an overall N-divider as N = INT + (FRAC/2²⁵).

The ADF4158 can be used to implement frequency shift keying (FSK) and phase shift keying (PSK) modulation. There are also a number of frequency sweep modes available, which generate various waveforms in the frequency domain, for example, sawtooth and triangular waveforms. Sweeps can be set to run automatically, or each step manually triggered by an external pulse. The ADF4158 features cycle slip reduction circuitry, which leads to faster lock times, without the need for modifications to the loop filter.

Control of all on-chip registers is via a simple 3-wire interface. The device operates with a power supply ranging from 2.7 V to 3.3 V and can be powered down when not in use.

Applications

Frequency modulated continuous wave (FMCW) radar
Communications test equipment

Part Models: 4
1ku List Price: Starting From $6.00

Documentation

Frequently Asked Question 1

FAQ 09/05/2025

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
ADF4158CCPZ	24-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADF4158CCPZ-RL7	24-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADF4158WCCPZ	24-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
ADF4158WCCPZ-RL7	24-Lead LFCSP (4mm x 4mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 3, 2017 - 16_0230 Assembly Transfer of Select LFCSP Products to ASE Korea
		PCN16_0230_Form Material_Report Detailed Change Description Detailed Change Description Qualification Results Summary
ADF4158CCPZ	PRODUCTION
ADF4158CCPZ-RL7	PRODUCTION
May 11, 2014 - 13_0231 Assembly Transfer of Select 4x4 and 5x5mm LFCSP Products to STATS ChipPAC China.
		PCN13_0231_Form Material_Report Detailed Change Description Qualification Report Summary
ADF4158CCPZ	PRODUCTION
ADF4158CCPZ-RL7	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

Evaluation Software 1

ADF4158 and ADF4159 Evaluation Board Software

ADF4158 and ADF4159 Evaluation Board Software (Rev. )

Can't find the software or driver you need?

Hardware Ecosystem

Parts	Product Life Cycle	Description
Frequency Dividers & Multipliers 1
ADF5001	PRODUCTION	4 GHz TO 18 GHz Divide-by-4 Prescaler
LDO Linear Regulators 3
ADP151	PRODUCTION	Ultralow Noise, 200 mA, CMOS Linear Regulator
ADP3334	NOT RECOMMENDED FOR NEW DESIGNS	High Accuracy Low I_Q, 500 mA anyCAP^® Adjustable Low Dropout Regulator
ADP150	PRODUCTION	Ultralow Noise, 150 mA CMOS Linear Regulator

Operational Amplifiers (Op Amps) 1
OP184	PRODUCTION	Single-Supply Rail-to-Rail Input/Output Operational Amplifier
Switching Regulators & Controllers 1
ADP1613	PRODUCTION	650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converter with 2.0 A Current Limit

Tools & Simulations

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

Open Tool

ADIsimPLL™

ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.

Open Tool

IBIS Model 1

ADF4158 IBIS Model

Evaluation Kits

ADF4158 Evaluation Board

Buy Now View Details

Features and Benefits

Self-contained board including synthesizer, VCO, 10 MHz TCXO reference, USB interface, voltage regulators, and loop filter (5.8 GHz)
Designed for 10 MHz PFD frequency, minimum charge pump current, and 20 kHz loop bandwidth
Accompanying software allows control of synthesizer functions from a PC (via USB interface)
Battery operated: choice of 3 V or 5 V supplies

Product Details

The EVAL-ADF4158EB1Z evaluates the performance of the ADF4158 frequency synthesizer for phase locked loops (PLL). The board contains the ADF4158 synthesizer, a PC connector, SMA connectors for the power supplies, and an RF output. There is also a low pass loop filter (20 kHz) and a VCO (Z Communications, Inc., VCO940ME03 5.8 GHz) on board. The evaluation board is set up for a 10 MHz PFD comparison frequency. An on-board TCXO provides the 10 MHz reference frequency. A USB cable is included with the board to connect to a PC USB port.

The package also contains Windows^® software (XP, Vista, and 7 compatible) to allow easy programming of the synthesizer.