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ADF4158CCPZ-RL7
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Product Detailed Parameters
- Description：IC FRACT N SYNTH 24LFCSP
- Series：-
- Package：Tape & Reel (TR),Cut Tape (CT)
- Mfr：Analog Devices Inc.
- PLL：Yes
- Input：CMOS, TTL
- Output：Clock
- Number of Circuits：1
- Ratio - Input:Output：2:01
- Differential - Input:Output：Yes/No
- Frequency - Max：6.1GHz
- Divider/Multiplier：Yes/Yes
- Voltage - Supply：2.7V ~ 3.3V
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad, CSP
- Supplier Device Package：24-LFCSP (4x4)
- Type：Fractional N Synthesizer (RF)
- Grade：-
- Qualification：-
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Overview
The ADF4158CCPZ-RL7 is a 6.1 GHz fractional-N frequency synthesizer with direct modulation and waveform generation capabilities, manufactured by Analog Devices Inc. It features a 25-bit fixed modulus for subhertz frequency resolution and operates on a 2.7 V to 3.3 V power supply. The device integrates a low-noise digital phase frequency detector, precision charge pump, and sigma-delta interpolator. Key electrical parameters include an RF input range of 0.5 GHz to 6.1 GHz, programmable charge pump currents up to 5 mA, and a normalized phase noise floor of -216 dBc/Hz. It supports FSK and PSK modulation and includes cycle slip reduction for faster lock times.
Feature Summary
- Fractional-N synthesis with 25-bit fixed modulus enabling subhertz frequency resolution at 6.1 GHz
- Direct modulation support for Frequency Shift Keying (FSK) and Phase Shift Keying (PSK)
- Integrated waveform generation including sawtooth, triangular, parabolic ramps, and dual sweep rates
- Cycle slip reduction circuitry for improved lock times without loop filter modifications
Applications
- Frequency modulated continuous wave (FMCW) radar systems
- Communications test equipment requiring precise frequency synthesis
- Waveform generation for radar chirp signals
Procurement Notes
Verify the C version operating temperature range (-40°C to +125°C) matches application requirements. Confirm the LFCSP-24 package exposed paddle connection to ground during assembly. Ensure VP pin voltage does not exceed 5.5 V absolute maximum rating. Check that REFIN input sensitivity aligns with available reference sources.
Selection Notes
Select this component when high-resolution frequency steps are required alongside direct modulation capabilities. The integrated sigma-delta modulator reduces spurs compared to integer-N designs. Consider the 25-bit modulus for applications needing fine frequency granularity. Verify compatibility with external VCO tuning ranges via the VP pin.
Part Context
The ADF4158 belongs to Analog Devices' family of RF frequency synthesizers designed for high-performance communication and radar applications. The CCPZ suffix indicates the automotive-grade C version in a 24-lead LFCSP package. This model extends functionality beyond basic synthesis by adding complex waveform generation features suitable for advanced radar testing.
