Overview
The ADF4156BCPZ-RL7 is a 6.2 GHz fractional-N frequency synthesizer produced by Analog Devices Inc. This device is designed to implement local oscillators in the upconversion and down-conversion sections of wireless receivers and transmitters. It features a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. The synthesizer includes a Σ-Δ based fractional interpolator, allowing for programmable fractional-N division. It operates with a power supply ranging from 2.7 V to 3.3 V and can be powered down when not in use, making it energy-efficient. The device is controlled via a simple 3-wire interface and includes cycle slip reduction circuitry for faster lock times without the need for loop filter modifications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADF4156BCPZ-RL7 |
| Package | 20-WFQFN Exposed Pad, CSP |
| Number of Pins | 20 |
| PLL | Yes |
| Input Type | CMOS, TTL |
| Output Type | Clock |
| Maximum Frequency | 6.2 GHz |
| Supply Voltage | 2.7 V ~ 3.3 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Key Features
- Low Noise Performance: The ADF4156BCPZ-RL7 features a low noise digital phase frequency detector and a precision charge pump, making it suitable for applications requiring high signal integrity.
- Programmable Fractional-N Division: The device includes a Σ-Δ based fractional interpolator, allowing for programmable fractional-N division and flexible frequency synthesis.
- Cycle Slip Reduction: The synthesizer includes cycle slip reduction circuitry, which enables faster lock times without the need for modifications to the loop filter.
- Power Management: The device can be powered down when not in use, reducing power consumption and enhancing energy efficiency.
- Simple Control Interface: All on-chip registers are controlled via a simple 3-wire interface, simplifying the integration into various systems.
Applications
- CATV Equipment: The ADF4156BCPZ-RL7 is used in cable television equipment for frequency synthesis.
- Base Stations for Mobile Radio: It is applied in base stations for various mobile radio standards such as WiMAX, GSM, PCS, DCS, SuperCell 3G, CDMA, and WCDMA.
- Wireless Handsets: The device is used in wireless handsets supporting GSM, PCS, DCS, CDMA, and WCDMA.
- Wireless LANs and PMR Communications: It is suitable for wireless local area networks and professional mobile radio communications.
- Test Equipment: The ADF4156BCPZ-RL7 is also used in communications test equipment due to its precise frequency synthesis capabilities.
Q & A
- What is the maximum frequency output of the ADF4156BCPZ-RL7?
The maximum frequency output of the ADF4156BCPZ-RL7 is 6.2 GHz.
- What is the operating supply voltage range for the ADF4156BCPZ-RL7?
The operating supply voltage range is from 2.7 V to 3.3 V.
- What type of package does the ADF4156BCPZ-RL7 come in?
The device comes in a 20-WFQFN Exposed Pad, CSP package.
- What is the operating temperature range for the ADF4156BCPZ-RL7?
The operating temperature range is from -40°C to 85°C.
- Does the ADF4156BCPZ-RL7 support power-down mode?
Yes, the device can be powered down when not in use to reduce power consumption.
- What type of control interface does the ADF4156BCPZ-RL7 use?
The device uses a simple 3-wire interface for controlling all on-chip registers.
- What are some of the key applications of the ADF4156BCPZ-RL7?
Key applications include CATV equipment, base stations for mobile radio, wireless handsets, wireless LANs, PMR communications, and test equipment.
- Does the ADF4156BCPZ-RL7 feature cycle slip reduction?
Yes, the device includes cycle slip reduction circuitry to achieve faster lock times without modifying the loop filter.
- How is the fractional-N division achieved in the ADF4156BCPZ-RL7?
The device uses a Σ-Δ based fractional interpolator to achieve programmable fractional-N division.
- What is the significance of the low noise digital phase frequency detector in the ADF4156BCPZ-RL7?
The low noise digital phase frequency detector contributes to the overall low noise performance of the device, making it suitable for high signal integrity applications.
