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MIKROE-4828, Click Board, ISM RX 3 Click2/27/2023
MAX41470
290MHz to 960MHz ASK/FSK Receiver with SPI Interface
High RF Sensitivity Receiver with Low Current Consumption, Ideal for Low-Cost and Power-Sensitive ASK/FSK Applications
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Overview
Features and Benefits
- Low Bill of Materials (BOM)
- No External Balun, No External Filter, etc.
- Single Low-Cost 16MHz External Crystal
- Long Range with High Sensitivity
- Low Power Consumption
- 9mA Operating Supply Current
- 10nA Power-Down Current
- Self-Polling (Remote Wake-Up) for Reduced Power
- Preamble Detection with Interrupt Output
- Average Current as Low as 350μA
- Duty Cycle Less Than 1% Capable
- Fast Startup Time
- Automatic Gain Control (AGC) Adjusted Digital RSSI
- Automatic Frequency Control (AFC)
- Fast Frequency Switching Frac-N Synthesizer
- 33dB Calibrated Image Rejection
- Passes ETSI Category 2 Blocking Requirements
- ±2.5kV HBM ESD Protection, ±4kV on LNA Input
- Up to 200kbps Data Rate (NRZ)
- 1.8V to 3.6V Supply Voltage
- -40°C to +105°C Operating Temperature Range
- 4mm x 4mm, 12-TQFN with 0.8mm Pitch
Product Details
The MAX41470 is a high-performance, low-power receiver that is ideal for amplitude shift-keyed (ASK) and frequency shift-keyed (FSK) data. The receiver can be configured for three popular sub-1GHz bands while using a single low-cost 16MHz crystal: 287MHz to 320MHz, 425MHz to 480MHz, and 860MHz to 960MHz.
The MAX41470 is capable of both ASK and FSK reception and is also fully programmable through an SPI interface.
The receiver has excellent RF sensitivity and allows input signals up to 0dBm of power at the RF input. With an integrated IF filter, a few external components, and low operating/power-down currents, the MAX41470 receiver is ideal for cost- and power-sensitive applications. The chip also includes a low-noise amplifier (LNA), fully differential image-rejection mixer, on-chip phase-locked loop (PLL) with integrated voltage-controlled oscillator (VCO), received signal strength indicator (RSSI), and digital demodulation.The device operates in the 1.8V to 3.6V supply voltage range and also features a power-saving, fully programmable, self-polling (duty cycling) mode with preamble detection and interrupt output to wake up an external microcontroller unit (MCU).
The parts are available in a 12-pin thin QFN (TQFN) package and are specified for the -40°C to +105°C extended temperature range.
Applications
- Home Automation and Security
- Building Access Control
- Garage Door Openers (GDO)
- Remote Keyless Entry (RKE)
- Tire Pressure Monitoring Systems (TPMS)
- Restaurant Pagers
Product Categories
Product Lifecycle
Recommended for New Designs
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
Evaluation Kits (3)
Documentation & Resources
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MAX41470 Reliability Data10/10/2022PDF123K
Tools & Simulations
IBIS Models
IBS
MAX41470 IBIS Model
1.30M
Software Development
Design Resources
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.