HMC1034LP6GE / Hittite Microwave Corporation

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Part No.	HMC1034LP6GE
Manufacturer	HITTITE
Size	1Mb
Pages	14 pages
Description	Clock Generator with Fractional-N PLL

Datasheet Summary with AI

1. General Overview & Purpose

️· Part: HMC1034LP6GE
️· Type: Fractional-N PLL (Phase-Locked Loop)
️· Function: High-performance clock generator designed for a wide range of applications requiring precise timing, low jitter, and frequency flexibility.
️· Frequency Range: 125 MHz to 3000 MHz.
️· Key Features: Low phase noise, low jitter, high integration, flexible output frequency.

2. Target Applications

️· High-Frequency Processor Clocks: Replacing crystal oscillators where more precision is needed.
️· Clock Source for Data Converters: Providing stable clock signals for ADCs and DACs.
️· Reference Oscillator: Used in a variety of systems as a stable timing source.
️· LO for Optical Modules: For 10G/40G/100G optical transponders.
️· Reference Clock for Line Cards: Used in 1G/10G/40G/100G line cards.
️· Jitter Attenuation & Frequency Translation: Useful for Synchronous Ethernet, SONET/SDH, and OTN applications.

3. Key Specifications & Highlights

️· Fractional-N Architecture: Enables a wide range of output frequencies.
️· Low Phase Noise & Jitter: Crucial for maintaining signal integrity in high-speed data systems.
️· Excellent Noise Floor: <-170dBc/Hz – provides a clean output signal.
️· Adjustable Output Amplitude: Can be configured via register settings.
️· Integrated VCO: Internal Voltage Controlled Oscillator for generating the output frequency.

4. Pinout and Functionality

️· Power Supplies: Multiple power pins for various sections of the chip (CP, VPPCP, VDDLS, RVDD, DVDD3V, VCC2, VCC1, VCCHF, VCCPS, VCCPD, BIAS)
️· Reference Input: XREFP - for the reference clock signal.
️· Enable: CEN - chip enable input.
️· Tuning: VTUNE - VCO tuning port.
️· Serial Interface: SDI, SCK, LD_SDO – for configuration and status.
️· Output: RF_N, RF_P – differential output signals.
️· BIAS: Precision bias reference voltage (1.920V) - must be measured with a high impedance meter.

5. Evaluation and Ordering

️· Evaluation Board: Available for testing and prototyping.
️· Evaluation Kit: Includes the evaluation board, USB interface board, cable, and software.
️· Part Numbers: Refer to the document for specific evaluation and kit part numbers.

6. Application Circuits

️· Illustrations of how the HMC1034LP6GE can be used in various circuits, including optical modules, line cards, and jitter attenuation applications.