Overview
The ADF4157BCPZ from Analog Devices Inc. is a high-performance fractional-N frequency synthesizer designed to operate up to 6 GHz. This device is part of the ADF4157 series and is packaged in a 20-WFQFN Exposed Pad, CSP (Chip Scale Package). It is particularly suited for applications requiring high frequency resolution and stability. The synthesizer features a 25-bit fixed modulus, allowing for subhertz frequency resolution at 6 GHz, and includes cycle slip reduction circuitry for faster lock times without the need for modifications to the loop filter.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | ADF4157BCPZ-RL7 |
| Manufacturer | Analog Devices Inc. |
| Description | IC PLL FREQ SYNTH 6GHZ 20LFCSP |
| Package / Case | 20-WFQFN Exposed Pad, CSP |
| Voltage - Supply | 2.7 V ~ 3.3 V |
| Frequency - Max | 6 GHz |
| Input | CMOS, TTL |
| Divider/Multiplier | Yes/Yes |
| Operating Temperature | -40°C ~ 85°C |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High Frequency Resolution: The ADF4157BCPZ offers subhertz frequency resolution at 6 GHz, making it suitable for precise frequency synthesis applications.
- Cycle Slip Reduction: Features cycle slip reduction circuitry, which enhances lock times without requiring modifications to the loop filter.
- Programmable Reference Divider: Includes a programmable reference divider and a Σ-Δ based fractional interpolator for flexible frequency synthesis.
- Low Noise Digital Phase Frequency Detector: Equipped with a low noise digital phase frequency detector and a precision charge pump.
- Simple 3-Wire Interface: Control of all on-chip registers is via a simple 3-wire interface.
- Power Management: Operates with a power supply ranging from 2.7 V to 3.3 V and can be powered down when not in use.
Applications
- Satellite Communications Terminals: Suitable for use in satellite communication systems due to its high frequency stability and resolution.
- Radar Equipment: Used in radar systems requiring precise frequency synthesis.
- Instrumentation Equipment: Ideal for various instrumentation applications where high frequency accuracy is necessary.
- Personal Mobile Radio (PMR) and Base Stations: Applied in mobile radio base stations and wireless handsets for reliable frequency synthesis.
Q & A
- What is the maximum operating frequency of the ADF4157BCPZ?
The maximum operating frequency of the ADF4157BCPZ is 6 GHz.
- What type of package does the ADF4157BCPZ come in?
The ADF4157BCPZ is packaged in a 20-WFQFN Exposed Pad, CSP.
- What is the voltage supply range for the ADF4157BCPZ?
The voltage supply range for the ADF4157BCPZ is 2.7 V to 3.3 V.
- Does the ADF4157BCPZ support cycle slip reduction?
Yes, the ADF4157BCPZ features cycle slip reduction circuitry for faster lock times.
- What is the moisture sensitivity level (MSL) of the ADF4157BCPZ?
The moisture sensitivity level (MSL) of the ADF4157BCPZ is 3 (168 Hours).
- Is the ADF4157BCPZ RoHS compliant?
Yes, the ADF4157BCPZ is lead free and RoHS compliant.
- What types of inputs does the ADF4157BCPZ support?
The ADF4157BCPZ supports CMOS and TTL inputs.
- What is the operating temperature range of the ADF4157BCPZ?
The operating temperature range of the ADF4157BCPZ is -40°C to 85°C.
- Can the ADF4157BCPZ be powered down when not in use?
Yes, the ADF4157BCPZ can be powered down when not in use.
- What kind of interface does the ADF4157BCPZ use for control?
The ADF4157BCPZ uses a simple 3-wire interface for control of all on-chip registers.
