MAX7042

PRODUCTION

308MHz/315MHz/418MHz/433.92MHz Low-Power, FSK Superheterodyne Receiver

Data Sheet (Rev. 2) Product Selection Table

Part Models: 2
1ku List Price: price unavailable

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Part Details

+2.4V to +3.6V or +4.5V to +5.5V Single-Supply Operation
Four User-Selectable Carrier Frequencies 308, 315, 418, and 433.92MHz
-110dBm RF Input Sensitivity at 315MHz
-109dBm RF Input Sensitivity at 433.92MHz
Fast Startup (< 250µs)
Small 32-Pin TQFN Package
Low Operating Supply Current
- 6.2mA Continuous
- 20nA Power-Down
Integrated PLL, VCO, and Loop Filter
45dB Integrated Image Rejection
Selectable IF BW with External Filter
Positive and Negative Peak Detectors
RSSI Output

Part Models: 2
1ku List Price: price unavailable

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX7042ATJ+	32-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX7042ATJ+T	32-LFCSP-5X5X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
ISM RF Transmitters < 1GHz 1
MAX1479	PRODUCTION	300MHz to 450MHz Low-Power, Crystal-Based +10dBm ASK/FSK Transmitter

Tools & Simulations

Design Tool 1

ISM-RF Baseband Calculator

Evaluation Kits

Evaluation Kit for the MAX7042

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Features and Benefits

Proven PCB Layout
Proven Components Parts List
Multiple Test Points Provided On Board
Available in 315MHz or 433.92MHz Optimized Versions
308MHz and 418MHz Operation Possible by Changing Components
Fully Assembled and Tested
Can Operate as a Stand-Alone Receiver with the Addition of an Antenna

Product Details

The MAX7042 evaluation kit (EV kit) allows for a detailed evaluation of the MAX7042 superheterodyne receiver. It enables testing of the device's RF performance and requires no additional support circuitry. The RF input circuit is designed to work with a 50Ω source impedance RF signal generator and has an SMA connector for convenient connection to test equipment. The EV kit can also directly interface to the user's embedded design for easy data decoding.

The MAX7042 EV kit comes in two versions, a 315MHz version and a 433.92MHz version. The passive components are optimized for these frequencies. These components can be changed to work at 308MHz and 418MHz. In addition, the 4kbps Manchester received data rate can be adjusted from 0kbps to 33kbps by changing two more components.

For easy implementation into the customer's design, the MAX7042 EV kit also features a proven PCB layout that can be duplicated easily for quicker time to market. The EV kit Gerber files are available upon request.

Applications

Home and Office Lighting Control
Home Automation
Local Telemetry Systems
Remote Keyless Entry (RKE)
Remote Sensing
Security Systems
Smoke Alarms
Tire-Pressure Monitoring (TPM)

Resources

MAX7042EVKIT Gerber Files
5/12/2023

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