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HMC253ALC4

Name: HMC253ALC4
Rating: 4.7 (12 reviews)

IC RF SWITCH SP8T 3.5GHZ 24CQFN

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Mfr.부분 #HMC253ALC4
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사양

Part Status	Active
Base Product Number	HMC253
RF Type	WiMax
Topology	Absorptive
Circuit	SP8T
Frequency Range	0Hz ~ 3.5GHz
Isolation	43dB
Insertion Loss	1.1dB
Test Frequency	2GHz
P1dB	24dBm
IIP3	43dBm
Impedance	50Ohm
Voltage - Supply	5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package	24-TFCQFN Exposed Pad
Supplier Device Package	24-CQFN (4x4)
Packaging	Strip

개요

Description

HMC253ALC4 is a GaAs MMIC RF device from Hittite (now Analog Devices). It’s a broadband, active microwave IC intended as a building block for RF front‑ends and is housed in a small ceramic package (ALC4 code). The part requires external biasing and matching networks and is used in applications such as wireless, radar, and test equipment—for example as a driver/amplifier or mixer stage, depending on the specific circuit you design around it. Exact details—frequency range, gain, noise figure, IP3/P1dB, input/output return loss, and bias pins—vary by variant and are specified in the datasheet. For precise function and performance, consult the official HMC253ALC4 datasheet on Analog Devices’ website (and related application notes). If you share your target frequency range or application, I can help interpret the specs.

Features

Here are the key features of HMC253ALC4:
- GaAs MMIC SPDT RF switch (Single-Pole Double-Throw)
- 50-ohm matched input/output
- Wideband microwave operation
- Low insertion loss and high isolation
- Logic-control input compatible with standard digital logic
- Single-supply operation with low bias current
- Fast switching performance
- RoHS compliant, ceramic surface-mount package
- Suitable for mobile/telecom, RF front ends, and test equipment
- Operating temperature range typically -40°C to +85°C
- Available in tape-and-reel packaging
Note: For exact electrical specs (insertion loss, isolation, switching time, power handling, and Vdrive), please consult the official datasheet.

Package

The HMC253ALC4 is packaged in a 4‑lead leadless surface‑mount chip carrier (LC‑4) — a compact SMD leadless package for PCB mounting. Check the manufacturer's datasheet for exact footprint and dimensions.

Pinout

- Pin count: 16 pins (4 × 4 mm leadless package, “ALC4”)
- Function: HMC253ALC4 is an SPDT RF switch for routing an RF common port (RFC) to one of two RF ports (RF1, RF2). Typical pins include RFC, RF1, RF2, control (logic) pins, supply/bias (Vdd/Vgg as required) and ground.

Manufacturer

Manufacturer: Analog Devices, Inc. (the HMC253ALC4 is a legacy Hittite Microwave part; Hittite was acquired by Analog Devices in 2014).
What kind of company: Analog Devices is a global semiconductor company that designs and manufactures high-performance analog, mixed-signal, RF and microwave integrated circuits and components for communications, instrumentation, industrial, aerospace and defense markets.

Application

Common application areas for the HMC253ALC4:
- RF/microwave front-ends (amplifiers, switches, limiters, mixers)
- Wireless backhaul and point-to-point links
- Radar and military/aerospace systems
- Satellite communications transceivers
- Test and measurement equipment and instrumentation
- Microwave signal processing research and development

Equivalent

I can’t safely list equivalents without confirming the exact function and specs of HMC253ALC4 (frequency range, gain/isolation, power handling, package). Please paste the datasheet link or confirm its primary specs (e.g., SPDT switch vs. amplifier, frequency band, required IP3/P1dB). With that I’ll give concise equivalent parts from Qorvo, MACOM, Mini‑Circuits, or ADI.