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MAX1473EUI from MAXIM,MAXIM - Dallas Semiconductor

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31.250ms

MAX1473EUI

Manufacturer: MAXIM

315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range

Partnumber Manufacturer Quantity Availability
MAX1473EUI MAXIM 316 In Stock

Description and Introduction

315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range The MAX1473EUI is a 315MHz/433MHz ASK/FSK superheterodyne receiver manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Frequency Range:** 315MHz or 433MHz (selectable)  
- **Modulation:** ASK (Amplitude Shift Keying) or FSK (Frequency Shift Keying)  
- **Supply Voltage:** +2.7V to +5.5V  
- **Current Consumption:** 5.3mA (typical) in shutdown mode, 7.5mA (typical) in active mode  
- **Sensitivity:** -114dBm (for ASK, 315MHz, 2.4kbps)  
- **Data Rate:** Up to 100kbps  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin TSSOP (MAX1473EUI)  

### **Descriptions:**
The MAX1473EUI is a low-power, high-performance superheterodyne receiver designed for wireless applications in the 315MHz and 433MHz ISM bands. It supports both ASK and FSK modulation schemes, making it suitable for remote keyless entry (RKE), home automation, and industrial wireless control systems. The device integrates a low-noise amplifier (LNA), mixer, IF amplifier, demodulator, and data filter, reducing external component count.

### **Features:**
- **Low Power Consumption:** Operates at 7.5mA in active mode and 5.3µA in shutdown mode.  
- **High Sensitivity:** -114dBm for reliable reception at low signal levels.  
- **Selectable Frequency:** Supports 315MHz or 433MHz operation.  
- **Integrated IF Filter:** Reduces external component requirements.  
- **Wide Supply Range:** Operates from 2.7V to 5.5V.  
- **FSK and ASK Support:** Flexible modulation options.  
- **Low External Component Count:** Simplifies design and reduces BOM cost.  
- **Shutdown Mode:** Minimizes power consumption when not in use.  

This information is based on Maxim Integrated's official datasheet for the MAX1473EUI.

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