HMC703LP4ETR

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HMC703LP4ETR

+BOM

IC FRACT-N PLL W/SWEEPR 24QFN

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Specifications

Attribute Value
Package / Case Cut Tape (CT)
Part Status Obsolete
Type Integer-N/Fractional-N
PLL Yes
Input CMOS
Output CMOS
Number of Circuits 1
Ratio - Input: Output 1:1
Differential - Input: Output Yes/No
Frequency - Max 8GHz
Divider / Multiplier Yes/No
Voltage - Supply 2.7V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Overview

Description

The HMC703LP4ETR is a high-performance, fractional-N phase-locked loop (PLL) with an integrated voltage-controlled oscillator (VCO), designed by Analog Devices (formerly Hittite Microwave). It operates from 5.9 to 7.1 GHz, offering low phase noise and excellent frequency stability.
Key features:
- Wide tuning range with fine resolution (24-bit fractional divider).
- Low phase noise: Ideal for wireless, test equipment, and radar systems.
- Integrated VCO: Eliminates the need for external oscillators.
- SPI interface: Allows flexible digital control.
- Compact 4x4 mm QFN package: Suitable for space-constrained designs.
Applications include 5G, satellite comms, and microwave backhaul. Its robust design ensures reliable performance in demanding RF environments.
For detailed specs, refer to the datasheet.

Equivalent

The HMC703LP4ETR is a fractional-N PLL with integrated VCO. Equivalent products include:
- ADF4355-2 (Analog Devices)
- LMX2594 (Texas Instruments)
- MAX2870 (Maxim Integrated)
- HMC704 (Analog Devices, higher performance)
These alternatives offer similar frequency synthesis capabilities, though specs like phase noise, frequency range, and features may vary. Check datasheets for exact compatibility.

Features

The HMC703LP4ETR is a high-performance, fractional-N PLL with integrated VCO, designed for low phase noise and fast switching. Key features:
- Frequency Range: 53 MHz to 6800 MHz (w/ external VCO support up to 13.6 GHz).
- Low Phase Noise: -110 dBc/Hz at 100 kHz offset (1 GHz output).
- Fractional-N Synthesis: Fine resolution (24-bit modulus).
- Fast Lock Time: <20 µs typical.
- Integrated VCO: Eliminates need for external VCO in many apps.
- Digital Interface: SPI-programmable.
- Power Supply: 3.3 V, low power consumption (~300 mA).
- Package: 4x4 mm QFN (24-lead).
Ideal for wireless comms, test equipment, and radar systems.

Pinout

The HMC703LP4ETR is a 4-bit digital step attenuator in a 24-pin QFN package. Key functions include:
- Attenuation Range: 0.5 dB steps up to 31.5 dB.
- Control Interface: Parallel (3-bit) or serial (SPI).
- Frequency Range: DC to 6 GHz.
- Low Insertion Loss: ~1.5 dB typical at 3 GHz.
- High Linearity: +60 dBm IP3.
Pins include power (Vdd, GND), RF input/output (RF1, RF2), control (SER/PAR, CLK, DATA, LE), and attenuation selection (A0-A2).

Manufacturer

The HMC703LP4ETR is manufactured by Analog Devices, Inc. (formerly Hittite Microwave Corporation, acquired in 2014).
Analog Devices is a leading global semiconductor company specializing in high-performance analog, mixed-signal, and RF (radio frequency) integrated circuits. They serve industries like communications, automotive, industrial, and healthcare with precision signal processing solutions.
The HMC703LP4ETR is a fractional-N PLL (Phase-Locked Loop) synthesizer, reflecting Analog Devices' expertise in RF and microwave components.

Package

The HMC703LP4ETR is a 24-lead QFN (Quad Flat No-leads) package. It measures 4mm x 4mm and features an exposed pad for thermal management. This surface-mount package is commonly used in RF and microwave applications due to its compact size and efficient heat dissipation.

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