Overview
The ADF4158CCPZ-RL7 is a high-performance, 6.1 GHz fractional-N frequency synthesizer produced by Analog Devices Inc. This device is designed for applications requiring precise frequency generation and modulation. It features an integrated voltage-controlled oscillator (VCO), a phase frequency detector, a lowpass filter, and a dual modulus prescaler. The ADF4158CCPZ-RL7 is particularly useful in systems that need fast lock times, fine frequency resolution, and various modulation capabilities.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADF4158CCPZ-RL7 |
| Package | LFCSP-24 (4x4 mm) |
| Frequency Range | Up to 6.1 GHz |
| Frequency Resolution | Subhertz resolution at 6.1 GHz |
| Power Supply | 2.7 V to 3.3 V |
| Operating Temperature | -40°C to +125°C |
| Modulus Prescaler | Dual modulus prescaler (M/N = 28 to 212) |
| Fractional Divider | Sigma-delta (Σ-Δ) based fractional interpolator |
| Interface | 3-wire serial interface |
Key Features
- Integrated voltage-controlled oscillator (VCO) with a wide tuning range
- Phase frequency detector, lowpass filter, and dual modulus prescaler
- Sigma-delta (Σ-Δ) based fractional interpolator for fine frequency resolution
- Fast lock times with cycle slip reduction circuitry
- Programmable charge pump currents and VCO control voltage
- Power-down mode for power conservation
- Frequency and phase modulation capability, including FSK and PSK
- Various frequency sweep modes generating sawtooth, triangular, and parabolic waveforms
- Qualified for automotive applications
Applications
- Frequency modulated continuous wave (FMCW) radar
- Communications test equipment
- Automotive systems requiring high-performance frequency synthesis
- Wireless communication systems needing precise frequency generation and modulation
Q & A
- What is the maximum frequency range of the ADF4158CCPZ-RL7?
The ADF4158CCPZ-RL7 has a maximum frequency range of up to 6.1 GHz.
- What is the package type and size of the ADF4158CCPZ-RL7?
The ADF4158CCPZ-RL7 is packaged in a 24-lead LFCSP (4x4 mm).
- What is the power supply range for the ADF4158CCPZ-RL7?
The device operates with a power supply ranging from 2.7 V to 3.3 V.
- Does the ADF4158CCPZ-RL7 support frequency modulation?
Yes, it supports frequency and phase modulation, including FSK and PSK.
- What is the significance of the cycle slip reduction circuitry in the ADF4158CCPZ-RL7?
The cycle slip reduction circuitry leads to faster lock times without the need for modifications to the loop filter.
- What types of waveforms can the ADF4158CCPZ-RL7 generate?
The device can generate sawtooth, triangular, and parabolic waveforms in the frequency domain.
- Is the ADF4158CCPZ-RL7 suitable for automotive applications?
Yes, it is qualified for automotive applications.
- How does the ADF4158CCPZ-RL7 achieve fine frequency resolution?
It uses a sigma-delta (Σ-Δ) based fractional interpolator to achieve subhertz frequency resolution.
- What is the interface used for controlling the ADF4158CCPZ-RL7?
The device is controlled via a simple 3-wire serial interface.
- Does the ADF4158CCPZ-RL7 have a power-down mode?
Yes, it has a power-down mode for power conservation when not in use.
