Overview
The HMC6832ALP5LETR, manufactured by Analog Devices Inc., is an input selectable, 2:8 differential fanout buffer designed for low noise clock distribution. This device is optimized for applications requiring high precision and low jitter clock signals. It features a flexible input interface compatible with LVPECL, LVDS, CML, and CMOS, and can operate in either LVPECL or pseudo LVDS output configurations. The HMC6832ALP5LETR is housed in a 28-lead, 5 mm × 5 mm, LFCSP package with an exposed pad, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Type | CML, LVDS, LVPECL, CMOS | ||||
| Output Type | LVDS, LVPECL | ||||
| Frequency - Max | 3.5 | GHz | |||
| Voltage - Supply | 2.375 | 3.6 | V | ||
| Operating Temperature | -40 | 85 | °C | ||
| Package/Case | 28-VFQFN Exposed Pad | ||||
| Input Select Voltage Range | -0.3 | 3.6 | V | ||
| Propagation Delay | 207 | ps | Typical | ||
| Channel Skew | ±5 | ps | Typical | ||
| Core Current | 56 | mA | Typical | ||
Key Features
- Multiple Output Configurations: The CONFIG pin allows the user to select between LVPECL and LVDS output terminations.
- Multiple Supply Voltage Operation: The device operates at 2.5 V or 3.3 V for LVPECL terminations and 2.5 V for LVDS.
- Low Noise: The HMC6832 exhibits low noise, typically from −168 dBc/Hz to −162 dBc/Hz up to 3000 MHz.
- Low Propagation Delay and Skew: The device displays a low propagation delay of less than 207 ps and a channel skew of ±5 ps, typical.
- Low Core Current: The HMC6832 has a low core current of 56 mA, typical.
- Flexible Input Interface: Compatible with LVPECL, LVDS, CML, and CMOS inputs, with on-chip 50 kΩ pull-up/pull-down resistors to VDD and GND.
Applications
- SONET, Fibre Channel, GigE Clock Distribution: Ideal for high-speed data transmission systems.
- ADC/DAC Clock Distribution: Suitable for analog-to-digital and digital-to-analog converter applications.
- Wireless/Wired Communications: Used in various communication systems requiring low jitter and low noise clock signals.
- Level Translation: Facilitates level translation between different logic levels.
- High Performance Instrumentation: Applied in high-performance instrumentation and medical imaging.
- Single-Ended to Differential Conversions: Capable of converting single-ended signals to differential signals.
Q & A
- What is the HMC6832ALP5LETR used for? The HMC6832ALP5LETR is used for low noise clock distribution in various high-speed applications, including SONET, Fibre Channel, GigE, ADC/DAC, and wireless/wired communications.
- What are the input and output types of the HMC6832ALP5LETR? The device supports CML, LVDS, LVPECL, and CMOS inputs and can output in LVDS or LVPECL configurations.
- What is the maximum operating frequency of the HMC6832ALP5LETR? The maximum operating frequency is 3.5 GHz.
- What are the supply voltage options for the HMC6832ALP5LETR? The device operates at 2.375 V to 3.6 V, with specific voltages for LVPECL (2.5 V or 3.3 V) and LVDS (2.5 V).
- What is the typical propagation delay of the HMC6832ALP5LETR? The typical propagation delay is less than 207 ps.
- How much channel skew does the HMC6832ALP5LETR exhibit? The device exhibits a channel skew of ±5 ps, typical.
- What is the core current of the HMC6832ALP5LETR? The core current is typically 56 mA.
- What package type does the HMC6832ALP5LETR come in? The device is housed in a 28-lead, 5 mm × 5 mm, LFCSP package with an exposed pad.
- Is the HMC6832ALP5LETR still in production? The HMC6832ALP5LETR is no longer in production and has been marked for last time buy.
- What are some common applications of the HMC6832ALP5LETR? Common applications include SONET, Fibre Channel, GigE clock distribution, ADC/DAC clock distribution, wireless/wired communications, level translation, high-performance instrumentation, and medical imaging).
