Overview
The LTC6953IUKG#PBF, produced by Analog Devices Inc., is a high-performance, ultralow jitter clock distribution IC. This device is designed to support JESD204B/C subclass 1 standards and features eleven configurable outputs. These outputs can be set up as either JESD204B/C device clock/SYSREF pairs or general-purpose clock outputs, making it versatile for various applications. The LTC6953 is particularly useful in systems requiring precise clock distribution with minimal jitter.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Frequency Range (IN+, IN–) | - | - | 4500 | MHz |
| Input Signal Level (RZ = 50Ω, Single-Ended) | 0.25 | 0.8 | 1.6 | VP-P |
| Self-Bias Voltage | - | - | 2.05 | V |
| Input Common Mode Voltage | - | - | 800mV | P-P |
| Differential Input Voltage | 1.6 | 2.7 | - | V |
| Input Duty Cycle | - | 50 | - | % |
| Minimum Input Slew Rate | - | - | 100 | V/µs |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | 52-Lead (7mm × 8mm) Plastic QFN | - |
Key Features
- Ultralow jitter clock distribution with up to 4.5 GHz frequency range.
- Eleven configurable outputs: up to five JESD204B/C subclass 1 device clock/SYSREF pairs plus one general-purpose output, or eleven general-purpose clock outputs.
- Individual programmable frequency dividers and output drivers for each output.
- Coarse half cycle digital delays and fine analog time delays for precise phase alignment.
- Support for EZSync or ParallelSync synchronization protocols for multiple device configurations.
- Low power consumption with adjustable output disable options.
Applications
The LTC6953IUKG#PBF is suitable for a variety of high-speed data acquisition and communication systems, including:
- JESD204B/C compliant systems such as high-speed ADCs and DACs.
- High-speed data converters and signal processing systems.
- Telecommunication and networking equipment requiring precise clock distribution.
- Medical imaging and diagnostic equipment.
- Aerospace and defense systems needing low-jitter clock signals.
Q & A
- What is the maximum frequency range of the LTC6953IUKG#PBF?
The maximum frequency range is up to 4.5 GHz. - How many outputs does the LTC6953IUKG#PBF have?
The device has eleven configurable outputs. - Can the outputs be configured for non-JESD204B/C applications?
Yes, the outputs can be configured as eleven general-purpose clock outputs for non-JESD204B/C applications. - What synchronization protocols does the LTC6953IUKG#PBF support?
The device supports EZSync or ParallelSync synchronization protocols. - What is the operating temperature range of the LTC6953IUKG#PBF?
The operating temperature range is from -40°C to 125°C. - What type of package does the LTC6953IUKG#PBF come in?
The device comes in a 52-Lead (7mm × 8mm) Plastic QFN package. - How can multiple LTC6953 devices be connected for more outputs?
Multiple devices can be connected using the EZSync or ParallelSync synchronization protocols. - What is the typical input signal level for the LTC6953IUKG#PBF?
The typical input signal level is 0.8 VP-P for a single-ended input with RZ = 50Ω. - Does the LTC6953IUKG#PBF support individual phase alignment for each output?
Yes, each output can be synchronized and set to precise phase alignment using coarse half cycle digital delays and fine analog time delays. - What is the minimum input slew rate required for the LTC6953IUKG#PBF?
The minimum input slew rate is 100 V/µs.
