Overview
The AD9571ACPZPEC from Analog Devices Inc. is a highly integrated Ethernet clock generator designed to provide reliable and high-performance clock generation for various applications, particularly in Ethernet line cards, switches, and routers. This component features an optimized integer-N PLL design, ensuring low jitter and phase noise, which are critical for secure data transmission and efficient network protocols.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Maximum Input Frequency | 25 MHz | ||
| Maximum Output Frequency | 156.25 MHz | ||
| Number of Outputs | 10 | Includes 6 CMOS, 1 LVPECL/LVDS at 156.25 MHz, 2 LVPECL/LVDS at 100 MHz or 125 MHz, and 1 CMOS at 33.33 MHz | |
| Operating Supply Voltage | 3.3 V | ||
| Minimum Operating Temperature | -40°C | ||
| Maximum Operating Temperature | +85°C | ||
| Mounting Style | SMD/SMT | 40-lead WFQFN Exposed Pad | |
| Moisture Sensitivity | Yes | ||
| Power Dissipation (LVDS Operation) | 0.48 W | ||
| Power Dissipation (LVPECL Operation) | 0.69 W |
Key Features
- Optimized integer-N PLL design for low jitter and phase noise performance.
- Phase noise less than -100 dBc/Hz at 100 kHz offset.
- Jitter performance of 0.17 ps RMS from 1.875 MHz to 20 MHz at 156.25 MHz.
- Supply voltage range of 2.7V to 3.6V.
- Integrated loop filter and regulators for supply noise immunity.
- Choice of LVPECL or LVDS output formats.
- Six copies of the 25 MHz reference source available.
- Space-saving 6 mm × 6 mm 40-lead LFCSP package.
Applications
- Ethernet line cards, switches, and routers.
- SCSI, SATA, and PCI-express applications.
- Secure data transmission and efficient network protocols.
Q & A
- Q: What is the primary function of the AD9571ACPZPEC?
A: The AD9571ACPZPEC is a multioutput clock generator optimized for Ethernet line card applications, providing reliable and high-performance clock generation.
- Q: What are the key output frequencies of the AD9571ACPZPEC?
A: The key output frequencies include 25 MHz (CMOS), 156.25 MHz (LVPECL/LVDS), 100 MHz or 125 MHz (LVPECL/LVDS), and 33.33 MHz (CMOS).
- Q: What is the operating supply voltage range of the AD9571ACPZPEC?
A: The operating supply voltage is 3.3 V, with a range of 2.7V to 3.6V for the overall device.
- Q: What are the jitter and phase noise specifications of the AD9571ACPZPEC?
A: The AD9571ACPZPEC has a jitter performance of 0.17 ps RMS from 1.875 MHz to 20 MHz at 156.25 MHz and phase noise less than -100 dBc/Hz at 100 kHz offset.
- Q: What is the package type and size of the AD9571ACPZPEC?
A: The AD9571ACPZPEC comes in a 40-lead WFQFN Exposed Pad package, measuring 6 mm × 6 mm.
- Q: What are the typical applications of the AD9571ACPZPEC?
A: Typical applications include Ethernet line cards, switches, routers, SCSI, SATA, and PCI-express.
- Q: How does the AD9571ACPZPEC ensure low jitter and phase noise?
A: The AD9571ACPZPEC uses an optimized integer-N PLL design and integrated loop filters to ensure low jitter and phase noise performance.
- Q: What is the power dissipation of the AD9571ACPZPEC in LVDS and LVPECL operations?
A: The power dissipation is 0.48 W for LVDS operation and 0.69 W for LVPECL operation.
- Q: Is the AD9571ACPZPEC moisture sensitive?
A: Yes, the AD9571ACPZPEC is moisture sensitive.
- Q: What is the operating temperature range of the AD9571ACPZPEC?
A: The operating temperature range is from -40°C to +85°C.
