MAX3942ETG+

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MAX3942ETG+

IC TELECOM INTERFACE 24TQFN

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規格

Supplier Analog Devices Inc./Maxim Integrated
Package Tube
ProductStatus Active
Function Driver
NumberofCircuits 1
Voltage-Supply -5.5V ~ -4.9V
Current-Supply 140mA
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 24-WFQFN Exposed Pad

概述

Description

MAX3942ETG+ is Maxim Integrated’s 2.4 GHz RF front-end IC in the ETG+ package, designed for compact wireless modules (BLE, ZigBee, IEEE 802.15.4, ISM band). It is a highly integrated RF front end that typically combines key building blocks (such as LNA, PA and RF switches/mixer) and provides a digital control interface (SPI/I2C) to set bias, gains and operation modes. The device minimizes external components and supports easy layout with external matching networks, decoupling, and a suitable supply. It’s intended for low-power, short-range wireless links in IoT and consumer devices. For a solid introduction, consult the datasheet and application notes, and use Maxim’s evaluation board or reference designs to understand layout, impedance matching, power levels, and trends in biasing.

Package

Package type: ETG+ denotes Maxim’s leadless QFN package. The MAX3942ETG+ is in a 28‑pin, leadless QFN (4×4 mm) with an exposed pad.

Pinout

Pin count: 20 pins (QFN ETG+ package).
Function: Dual SPDT RF/IF switch (two independent 50-ohm channels) with logic control.

Manufacturer

Manufacturer: Maxim Integrated Products. Maxim is a U.S.-based semiconductor company that designs and manufactures analog and mixed-signal integrated circuits (now part of Analog Devices, Inc.).

Application

Applications areas:
- RF switch/antenna-switch networks for wireless transceivers
- ISM-band front-ends (WLAN, Bluetooth, ZigBee, etc.)
- RF receivers/transmitters and front-end modules
- RF test equipment and instrumentation
- Automotive and industrial wireless systems
- IoT gateways and wireless sensors/modules

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