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MAX2820AETM from MAX,MAXIM - Dallas Semiconductor

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MAX2820AETM

Manufacturer: MAX, MAXIM

2.4GHz 802.11b Zero-IF Transceivers

Partnumber Manufacturer Quantity Availability
MAX2820AETM MAX, MAXIM 7700 In Stock

Description and Introduction

2.4GHz 802.11b Zero-IF Transceivers The MAX2820AETM is a transceiver IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX2820AETM  
- **Type:** RF Transceiver  
- **Frequency Range:** 2.4 GHz to 2.5 GHz  
- **Modulation:** Supports IEEE 802.11b/g (DSSS/CCK/OFDM)  
- **Supply Voltage:** 2.7V to 3.6V  
- **Current Consumption:**  
  - Receive Mode: 45 mA (typical)  
  - Transmit Mode: 240 mA (typical at +15 dBm output)  
- **Output Power:** Up to +15 dBm  
- **Receiver Sensitivity:** -75 dBm (typical for 802.11b, 11 Mbps)  
- **Package:** 48-pin TQFN (7mm x 7mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX2820AETM is a fully integrated, single-chip RF transceiver designed for 2.4 GHz IEEE 802.11b/g wireless LAN applications. It integrates a direct-conversion receiver, a transmitter with a power amplifier, a voltage-controlled oscillator (VCO), and a synthesizer, reducing the need for external components.  

### **Features:**  
- **Integrated Power Amplifier (PA):** Supports up to +15 dBm output power.  
- **Low-Noise Amplifier (LNA):** High sensitivity for improved receiver performance.  
- **Direct Conversion Architecture:** Eliminates the need for IF filters.  
- **On-Chip VCO and Synthesizer:** Reduces external component count.  
- **I/Q Baseband Interface:** Compatible with baseband processors.  
- **Low-Power Modes:** Supports power-saving operation.  
- **Fully Compliant:** Meets IEEE 802.11b/g standards.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

2.4GHz 802.11b Zero-IF Transceivers

Alternative Part Number

  • ADF7020BCPZ --: Similar 2.4 GHz transceiver function with comparable integration and interface, suitable as a functional replacement in many designs.
  • CC2500RGPR --: Low-cost 2.4 GHz RF transceiver with SPI interface, widely used as an alternative in short-range wireless applications.
  • nRF24L01P --: Popular 2.4 GHz transceiver with similar SPI control and low power consumption, commonly used as a drop-in alternative.
  • CC2420RTCR --: 2.4 GHz IEEE 802.15.4 RF transceiver with similar integrated radio architecture, suitable as a functional substitute in short-range wireless designs.
  • AT86RF230 --: Low-power 2.4 GHz transceiver offering comparable RF front-end and baseband functionality for wireless sensor applications.
  • nRF2401A --: 2.4 GHz transceiver with similar modulation and air-interface characteristics, usable as an alternative in low-data-rate wireless links.

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