Overview
The HMC1031MS8ETR is a high-performance integer N phase-locked loop (PLL) clock generator produced by Analog Devices Inc. This component is designed to provide low jitter clock generation and is particularly suited for applications requiring low frequency jitter attenuation and reference clock generation. The HMC1031 forms a complete clock generator solution when used with an external loop filter and a voltage-controlled crystal oscillator (VCXO).
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 8-lead MSOP |
| Package Dimensions | 4.9 mm × 3.0 mm |
| Operating Frequency Range | 0.1 MHz to 500 MHz |
| Phase Frequency Detector Rate | Up to 140 MHz |
| Current Consumption | 1.95 mA typical |
| Power-Down Mode Current | 0.8 μA typical |
| Clock Multiplication Ratios | 1×, 5×, 10× (hardware pin-programmable) |
| Lock Detect Indicator | Available on a dedicated hardware pin |
Key Features
- Low current consumption: 1.95 mA typical
- High phase frequency detector rate: up to 140 MHz
- Hardware pin-programmable clock multiplication ratios: 1×, 5×, 10×
- Lock detect indicator available on a dedicated hardware pin
- Power-down mode (0.8 μA typical)
- Integrated phase detector and charge pump
- Support for VCXO input up to 500 MHz
Applications
- Low jitter clock generation
- Low frequency phase-locked loops (PLLs)
- Frequency translation
- Oven controlled crystal oscillator (OCXO) frequency multipliers
- Phase lock clean high frequency references to 10 MHz equipment
- Test and measurement systems
- Communications systems
Q & A
- What is the HMC1031MS8ETR used for?
The HMC1031MS8ETR is used for low jitter clock generation, low frequency phase-locked loops, frequency translation, and other applications requiring precise clock signals. - What are the clock multiplication ratios supported by the HMC1031MS8ETR?
The HMC1031MS8ETR supports hardware pin-programmable clock multiplication ratios of 1×, 5×, and 10×. - What is the typical current consumption of the HMC1031MS8ETR?
The typical current consumption is 1.95 mA. - Does the HMC1031MS8ETR have a power-down mode?
Yes, the HMC1031MS8ETR has a power-down mode with a typical current of 0.8 μA. - What is the maximum frequency supported by the phase frequency detector?
The phase frequency detector can operate up to 140 MHz. - What is the package type and dimensions of the HMC1031MS8ETR?
The HMC1031MS8ETR is housed in an 8-lead MSOP package with dimensions of 4.9 mm × 3.0 mm. - Is there a lock detect indicator on the HMC1031MS8ETR?
Yes, there is a lock detect indicator available on a dedicated hardware pin. - What is the maximum VCXO input frequency supported by the HMC1031MS8ETR?
The maximum VCXO input frequency is 500 MHz. - What are some common applications of the HMC1031MS8ETR?
Common applications include low jitter clock generation, frequency translation, OCXO frequency multipliers, and phase locking high frequency references. - Where can the HMC1031MS8ETR be used in test and measurement systems?
In test and measurement systems, the HMC1031MS8ETR can be used to multiply the frequency of a high accuracy OCXO to drive primary clock inputs.
