Overview
The HMC983LP5ETR from Analog Devices Inc. is a highly versatile fractional-N frequency divider and frequency sweeper, designed for applications requiring precise frequency control and low noise performance. Fabricated using the SiGe BiCMOS process, this component is ideal for fractional-N frequency synthesis and stand-alone low noise frequency divider applications. It is particularly suited for use in RF and microwave systems where spurious performance is critical.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 0 Hz to 7 GHz |
| Package Type | 32-LFCSP (5x5) |
| Modulator Type | 48-bit Delta Sigma Fractional Modulator (DSM) |
| Phase Accumulator Size | Programmable |
| Frequency Sweep Capability | Automatic and user-defined sweep modes with various triggering options |
| GPIOs | 5 general purpose I/Os |
| Divider Outputs | Differential, open collector with programmable current |
Key Features
- High precision frequency control with nearly 0 Hz frequency error due to the integrated 48-bit Delta Sigma Fractional Modulator (DSM).
- Programmable phase accumulator size for flexible frequency step size and resolution.
- Built-in programmable frequency sweep capability with automatic and user-defined sweep modes.
- Various triggering options including hardware trigger pin and SPI trigger with optional delayed trigger.
- 5 general purpose I/Os (GPIOs) for importing and exporting DSM sequences.
- Differential, open collector divider outputs with programmable current to accommodate different off-chip loads.
Applications
- Fractional-N frequency synthesis.
- Stand-alone low noise frequency divider applications.
- RF and microwave systems requiring high spurious performance.
- Phase Locked Loop (PLL) synthesizer and translation loop applications.
- Wireless communication systems.
Q & A
- What is the frequency range of the HMC983LP5ETR?
The frequency range of the HMC983LP5ETR is from 0 Hz to 7 GHz. - What type of modulator does the HMC983LP5ETR use?
The HMC983LP5ETR uses a 48-bit Delta Sigma Fractional Modulator (DSM). - Can the phase accumulator size be programmed?
Yes, the phase accumulator size of the HMC983LP5ETR is programmable. - What are the triggering options for the frequency sweep capability?
The frequency sweep capability can be triggered via hardware trigger pin or SPI trigger with optional delayed trigger. - How many general purpose I/Os (GPIOs) does the HMC983LP5ETR have?
The HMC983LP5ETR has 5 general purpose I/Os (GPIOs). - What type of divider outputs does the HMC983LP5ETR have?
The divider outputs of the HMC983LP5ETR are differential, open collector with programmable current. - What is the package type of the HMC983LP5ETR?
The package type of the HMC983LP5ETR is 32-LFCSP (5x5). - Is the HMC983LP5ETR suitable for RF and microwave systems?
Yes, the HMC983LP5ETR is particularly suited for RF and microwave systems due to its high spurious performance. - Can the HMC983LP5ETR be used in wireless communication systems?
Yes, the HMC983LP5ETR can be used in wireless communication systems. - What process is used to fabricate the HMC983LP5ETR?
The HMC983LP5ETR is fabricated using the SiGe BiCMOS process.
