Overview
The HMC6832ALP5LE is a high-performance clock buffer IC designed by Analog Devices Inc. This component is an input selectable, 2:8 differential fanout buffer, optimized for low noise clock distribution. It supports multiple input and output configurations, making it versatile for various high-speed applications. The device is particularly useful in scenarios requiring low jitter and low skew clock signals, such as in SONET, Fibre Channel, and Gigabit Ethernet (GigE) systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage | 2.5 V / 3.3 V | V | For LVPECL terminations (2.5 V only for LVDS) | ||
| Core Current | 56 mA | mA | Typical | ||
| Propagation Delay | 207 ps | ps | Typical | ||
| Channel Skew | ±5 ps | ps | Typical | ||
| Output Configuration | Up to 8 differential or 16 single-ended LVPECL or LVDS outputs | ||||
| Input Interface | LVPECL, LVDS, CML, and CMOS compatible | ||||
| Package Type | 28-lead, 5 mm × 5 mm, LFCSP package | ||||
| Maximum Reflow Temperature | 260°C | °C | MSL3 Rating |
Key Features
- Multiple Output Configurations: The CONFIG pin allows the user to select between LVPECL or LVDS output termination.
- Multiple Supply Voltage Operation: The HMC6832 operates at 2.5 V or 3.3 V for LVPECL terminations (2.5 V only for LVDS).
- Low Noise: The device exhibits low noise, typically from −168 dBc/Hz to −162 dBc/Hz up to 3000 MHz.
- Low Propagation Delay and Skew: Low propagation delay of less than 207 ps and channel skew of ±5 ps, typical.
- Flexible Input Interface: Compatible with LVPECL, LVDS, CML, and CMOS inputs, with on-chip 50 kΩ pull-up/pull-down resistors.
- Low Core Current: The device has a low core current of 56 mA, typical.
Applications
- SONET, Fibre Channel, and GigE Clock Distribution: Ideal for high-speed data communication systems.
- ADC/DAC Clock Distribution: Suitable for analog-to-digital converters and digital-to-analog converters.
- Wireless/Wired Communications: Used in various communication systems requiring low jitter and low skew clocks.
- High Performance Instrumentation: Applicable in medical imaging and other high-performance instrumentation.
- Level Translation and Single-Ended to Differential Conversions: Useful for converting single-ended signals to differential signals.
Q & A
- What is the primary function of the HMC6832ALP5LE?
The HMC6832ALP5LE is an input selectable, 2:8 differential fanout buffer designed for low noise clock distribution.
- What are the supported input interfaces for the HMC6832ALP5LE?
The device supports LVPECL, LVDS, CML, and CMOS compatible inputs.
- How can the output configuration be selected on the HMC6832ALP5LE?
The output configuration can be selected using the CONFIG pin, which allows the user to choose between LVPECL or LVDS output termination.
- What are the typical propagation delay and channel skew of the HMC6832ALP5LE?
The typical propagation delay is less than 207 ps, and the channel skew is ±5 ps.
- What is the maximum reflow temperature for the HMC6832ALP5LE?
The maximum reflow temperature is 260°C (MSL3 Rating).
- What are some common applications of the HMC6832ALP5LE?
Common applications include SONET, Fibre Channel, GigE clock distribution, ADC/DAC clock distribution, wireless/wired communications, high performance instrumentation, and level translation.
- What is the typical core current of the HMC6832ALP5LE?
The typical core current is 56 mA.
- What package type is the HMC6832ALP5LE available in?
The device is available in a 28-lead, 5 mm × 5 mm, LFCSP package.
- Is the HMC6832ALP5LE still in production?
No, the HMC6832ALP5LE is no longer manufactured. Users should consider substitutes or alternative package types.
- What are the absolute maximum ratings for the input voltage of the HMC6832ALP5LE?
The input voltage should not exceed −0.3 V to +3.6 V.
