HMC835LP6GE

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HMC835LP6GE

+BOM

IC PLL VCO WIDEBAND 40SMD

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Specifications

Attribute Value
Package / Case Bulk,Strip
Part Status Obsolete
PLL Yes
Input Clock
Output Clock
Number of Circuits 1
Ratio - Input: Output 1:2
Differential - Input: Output No/Yes
Frequency - Max 4.1GHz
Divider / Multiplier Yes/No
Voltage - Supply 3.1V ~ 5.2V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Overview

Description

The HMC835LP6GE is a high-performance, 6 GHz wideband PLL (Phase-Locked Loop) with an integrated VCO (Voltage-Controlled Oscillator) from Analog Devices (formerly Hittite). It operates from 25 MHz to 6 GHz, offering low phase noise and fast switching speeds, making it ideal for wireless infrastructure, test equipment, and radar systems.
Key features:
- Integrated VCO (eliminates external components)
- Low phase noise: -110 dBc/Hz at 100 kHz offset (1 GHz)
- Fast locking: <20 µs typical
- SPI-programmable for flexible frequency control
- 3.3V supply, 6x6 mm LP6 package
Applications include 5G, satellite comms, and frequency synthesis. Its compact design and high performance make it a strong choice for demanding RF systems.

Equivalent

Equivalent products to the HMC835LP6GE (a low-phase-noise PLL frequency synthesizer) include:
- ADF4351 (Analog Devices)
- LMX2594 (Texas Instruments)
- MAX2870 (Maxim Integrated)
These alternatives offer similar PLL/VCO functionality with varying specs in frequency range, phase noise, and integration. For exact replacements, check datasheets for compatibility with your application.

Features

The HMC835LP6GE is a high-performance, low-phase-noise PLL with an integrated VCO, designed for applications requiring precise frequency synthesis. Key features include:
- Frequency Range: 25 MHz to 3.0 GHz (fractional-N mode)
- Ultra-Low Phase Noise: -110 dBc/Hz at 100 kHz offset (1 GHz output)
- Integrated VCO: Eliminates need for external VCO
- Programmable Output Power: -4 dBm to +5 dBm
- Fast Lock Time: <20 μs typical
- Flexible Inputs: Supports differential/single-ended clocks
- SPI Interface: For easy digital control
- Low Power Consumption: 300 mW typical
- Small Form Factor: 6x6 mm QFN package
Ideal for wireless infrastructure, test equipment, radar, and satellite communications.

Pinout

The HMC835LP6GE is a 6×6 mm QFN (Quad Flat No-Leads) package with 40 pins. It is a wideband, fractional-N PLL (Phase-Locked Loop) synthesizer with an integrated VCO (Voltage-Controlled Oscillator), operating from 53 MHz to 14 GHz.
Key functions:
- RF Output (Pin 38): Delivers the synthesized frequency.
- Reference Input (Pin 5): Accepts an external reference clock.
- SPI Interface (Pins 1, 2, 3, 4): For configuration (SDIO, SCLK, SEN, SDO).
- Power Supply (Pins 6, 7, 8, 9, etc.): Requires +3.3V for core and VCO.
- Lock Detect (Pin 37): Indicates PLL lock status.
Other pins include ground (GND), charge pump (CP) output, and auxiliary functions.
[Exact count: 40 pins]

Package

The HMC835LP6GE is a 6x6 mm QFN (Quad Flat No-Lead) package. It features a leadless design with an exposed pad for thermal management, typical for high-frequency RF components. The "LP6GE" suffix indicates its package type and RoHS compliance. Suitable for surface-mount applications, it ensures efficient heat dissipation and compact PCB integration.

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