Overview
The AD9540BCPZ is a highly advanced clock generator and synthesizer produced by Analog Devices Inc. It is specifically designed to meet the stringent clocking requirements of high-performance data converters. This device features high-performance PLL (phase-locked loop) circuitry, including a flexible 200 MHz phase frequency detector and a digitally controlled charge pump current. The AD9540 also provides a low jitter, 655 MHz CML-mode, PECL-compliant output driver with programmable slew rates, supporting external VCO rates up to 2.7 GHz.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Operating Temperature Range | -40°C | +85°C | Extended automotive range | ||
| Output Frequency | 655 MHz | CML-mode, PECL-compliant | |||
| External VCO Rates | 2.7 GHz | Supported | |||
| Frequency Tuning Resolution | < 2.33 μHz | Extremely fine tuning resolution | |||
| Serial I/O Port Speed | 25 Mbps | Device write speed | |||
| Package Type | 48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP) |
Key Features
- High-performance PLL circuitry with a flexible 200 MHz phase frequency detector and a digitally controlled charge pump current.
- Low jitter, 655 MHz CML-mode, PECL-compliant output driver with programmable slew rates.
- Support for external VCO rates up to 2.7 GHz.
- Extremely fine tuning resolution (steps less than 2.33 μHz).
- Serial I/O port with a device write speed of 25 Mbps.
- Programmable frequency divider block supporting spread spectrum mode of operation.
- Operation over the extended automotive temperature range of -40°C to +85°C.
Applications
The AD9540BCPZ is designed for applications that demand high-performance clocking, such as:
- High-performance data converters
- Wireless infrastructure
- Instrumentation
- Networking
- Broadband
- Automated Test Equipment (ATE)
Q & A
- What is the primary function of the AD9540BCPZ?
The AD9540BCPZ is a clock generator and synthesizer designed to support the stringent clocking requirements of high-performance data converters.
- What is the output frequency of the AD9540BCPZ?
The output frequency of the AD9540BCPZ is up to 655 MHz in CML-mode, PECL-compliant.
- What is the maximum external VCO rate supported by the AD9540BCPZ?
The AD9540BCPZ supports external VCO rates up to 2.7 GHz.
- What is the frequency tuning resolution of the AD9540BCPZ?
The frequency tuning resolution is less than 2.33 μHz.
- What is the speed of the serial I/O port on the AD9540BCPZ?
The serial I/O port has a device write speed of 25 Mbps.
- What is the operating temperature range of the AD9540BCPZ?
The AD9540BCPZ operates over the extended automotive temperature range of -40°C to +85°C.
- What package type is the AD9540BCPZ available in?
The AD9540BCPZ is available in a 48-Lead LFCSP (7mm x 7mm x 0.85mm w/ EP) package.
- Can the AD9540BCPZ support spread spectrum mode of operation?
- What are some typical applications for the AD9540BCPZ?
Typical applications include high-performance data converters, wireless infrastructure, instrumentation, networking, broadband, and Automated Test Equipment (ATE).
- What design tool is recommended for developing and optimizing designs with the AD9540BCPZ?
ADIsimCLK is the recommended design tool for developing and optimizing designs with the AD9540BCPZ.
