| Allicdata Part #: | 1127-1583-ND |
| Manufacturer Part#: |
HMC824LP6CE |
| Price: | $ 11.88 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Analog Devices Inc. |
| Short Description: | IC PLL W/VCO FRACTIONAL-N 40-QFN |
| More Detail: | N/A |
| DataSheet: |  HMC824LP6CE Datasheet/PDF |
| Quantity: | 5 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1 +: | $ 10.79820 |
| 10 +: | $ 9.92187 |
| 100 +: | $ 8.37949 |
Specifications
| Ratio - Input:Output: | 1:1 |
| Base Part Number: | HMC824 |
| Supplier Device Package: | 40-SMT (6x6) |
| Package / Case: | 40-VFQFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C |
| Voltage - Supply: | 3 V ~ 5.2 V |
| Divider/Multiplier: | Yes/No |
| Frequency - Max: | 870MHz |
| Differential - Input:Output: | No/Yes |
| Series: | -- |
| Number of Circuits: | 1 |
| Output: | Clock |
| Input: | Clock |
| PLL: | Yes |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
Description
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The HMC824LP6CE is a low-noise fractional-N frequency synthesizer featuring low power consumption which allows use in battery operated applications. It consists of a voltage-controlled oscillator (VCO) with a wide tuning range for its sweeping input signal, and a synthesizer loop for providing a pull-in range higher than the VCO’s tuning range. The synthesizer design includes a digital phase-frequency detector (PFD) and charge pump, numerically controlled oscillator (NCO) for smooth frequency generation, and a programmable loop filter. Such a design allows for frequency synthesizing of up to four frequencies from a single reference frequency, enabling frequency hopping and direct frequency synthesis applications.Application Field
The HMC824LP6CE is ideal for a wide variety of applications, ranging from communications and medical instruments to oscillator applications in wireless and satellite communications. It can also be used in synchronous signal receivers and in frequency synthesis applications, as well as in frequency-hopping radios, Wi-Fi Networks, and low-phase-noise VCOs. Additionally, the device is qualified to automotive grade temperatures, which makes it suitable for automotive applications, such as lane recognition systems, cruise control systems, and navigation systems.Working Principle
The working principle of the HMC824LP6CE can be explained by looking at the block diagram of the device, diagrammed in Figure 1. As seen from the diagram, the HMC824LP6CE consists of three main blocks: a fractional-N synthesizer, a digital phase-frequency detector (PFD), and a voltage-controlled oscillator (VCO).At the core of the fractional-N synthesizer is the numerically controlled oscillator (NCO), which uses the incoming reference frequency, FREF, to generate output frequency, FOUT. The output frequency is proportional to the value of the NCO’s frequency offset, FOFFSET. The NCO samples the incoming reference frequency and generates a set of phase increments that correspond to frequency steps, or “nibbles”, within the range of the frequency offset. The synthesizer then takes the accumulator, which stores the sum of the phase increments, and generates an output frequency based on the accumulator’s value.The PFD block is responsible for providing the synthesizer feedback that maintains the output frequency at the desired offset value. The PFD detects the phase difference between the incoming reference frequency and the output frequency, and sends a signal to the synthesizer that adjusts the NCO’s frequency offset accordingly.Finally, the VCO block receives the synthesizer’s frequency offset and generates the output frequency based on that value. Incoming reference frequencies up to 40MHz can be used, and the VCO is capable of providing an output frequency of up to 37GHz.In summary, the HMC824LP6CE is a low-noise fractional-N frequency synthesizer that is ideal for communications and medical instrumentation applications. The device includes a fractional-N synthesizer, digital phase-frequency detector (PFD), and voltage-controlled oscillator (VCO) for the generation of up to four frequencies from a single reference frequency. Additionally, the device is qualified to automotive grade temperatures, which makes it suitable for automotive applications such as lane recognition systems, cruise control systems, and navigation systems.
The HMC824LP6CE is ideal for a wide variety of applications, ranging from communications and medical instruments to oscillator applications in wireless and satellite communications. It can also be used in synchronous signal receivers and in frequency synthesis applications, as well as in frequency-hopping radios, Wi-Fi Networks, and low-phase-noise VCOs. Additionally, the device is qualified to automotive grade temperatures, which makes it suitable for automotive applications, such as lane recognition systems, cruise control systems, and navigation systems.Working Principle
The working principle of the HMC824LP6CE can be explained by looking at the block diagram of the device, diagrammed in Figure 1. As seen from the diagram, the HMC824LP6CE consists of three main blocks: a fractional-N synthesizer, a digital phase-frequency detector (PFD), and a voltage-controlled oscillator (VCO).At the core of the fractional-N synthesizer is the numerically controlled oscillator (NCO), which uses the incoming reference frequency, FREF, to generate output frequency, FOUT. The output frequency is proportional to the value of the NCO’s frequency offset, FOFFSET. The NCO samples the incoming reference frequency and generates a set of phase increments that correspond to frequency steps, or “nibbles”, within the range of the frequency offset. The synthesizer then takes the accumulator, which stores the sum of the phase increments, and generates an output frequency based on the accumulator’s value.The PFD block is responsible for providing the synthesizer feedback that maintains the output frequency at the desired offset value. The PFD detects the phase difference between the incoming reference frequency and the output frequency, and sends a signal to the synthesizer that adjusts the NCO’s frequency offset accordingly.Finally, the VCO block receives the synthesizer’s frequency offset and generates the output frequency based on that value. Incoming reference frequencies up to 40MHz can be used, and the VCO is capable of providing an output frequency of up to 37GHz.In summary, the HMC824LP6CE is a low-noise fractional-N frequency synthesizer that is ideal for communications and medical instrumentation applications. The device includes a fractional-N synthesizer, digital phase-frequency detector (PFD), and voltage-controlled oscillator (VCO) for the generation of up to four frequencies from a single reference frequency. Additionally, the device is qualified to automotive grade temperatures, which makes it suitable for automotive applications such as lane recognition systems, cruise control systems, and navigation systems.
The specific data is subject to PDF, and the above content is for reference
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