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MAX1473EUI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1473EUI+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1473EUI+,MAX1473EUI MAXIM 1100 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 (now part of Analog Devices)**.  

### **Key Specifications:**  
- **Frequency Range:** 315MHz or 433MHz (selectable)  
- **Modulation Schemes:** ASK (Amplitude Shift Keying) and FSK (Frequency Shift Keying)  
- **Supply Voltage:** 3.0V to 5.5V  
- **Current Consumption:**  
  - 5.3mA (typical) in active mode  
  - 1µA (typical) in shutdown mode  
- **Sensitivity:**  
  - -114dBm (ASK mode, 315MHz)  
  - -113dBm (ASK mode, 433MHz)  
  - -110dBm (FSK mode, 315MHz)  
  - -109dBm (FSK mode, 433MHz)  
- **IF Frequency:** 10.7MHz  
- **Data Rate:** Up to 100kbps  
- **Package:** 28-pin TSSOP (MAX1473EUI+)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Features:**  
- **Low-Power Operation:** Suitable for battery-powered applications.  
- **Integrated IF Filter:** Eliminates the need for external SAW filters.  
- **Automatic Frequency Control (AFC):** Compensates for frequency drift.  
- **RSSI Output:** Provides received signal strength indication.  
- **Shutdown Mode:** Reduces power consumption when inactive.  
- **Single-Crystal Oscillator:** Simplifies design and reduces cost.  

### **Applications:**  
- Remote keyless entry (RKE)  
- Wireless security systems  
- Home automation  
- Industrial telemetry  

The **MAX1473EUI+** is designed for reliable, low-power wireless communication in the **315MHz/433MHz ISM bands**.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • ATA5428C-PLQW --: Sub-GHz ISM transceiver in a comparable TSSOP package with similar RF performance and supply range, suitable as a functional replacement.
  • SI4432-B1-FMR --: Widely used sub-GHz FSK transceiver with comparable sensitivity and output power, commonly substituted for MAX1473-class receivers.
  • CC1101RGPR --: Low-power sub-1GHz transceiver offering similar frequency coverage and modulation support, a common cross-reference for MAX1473 designs.

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