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MAX2820 from MAX,MAXIM - Dallas Semiconductor

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MAX2820

Manufacturer: MAX

2.4GHz 802.11b Zero-IF Transceivers

Partnumber Manufacturer Quantity Availability
MAX2820 MAX 34 In Stock

Description and Introduction

2.4GHz 802.11b Zero-IF Transceivers The MAX2820 is a transceiver IC manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Frequency Range:** 2.4GHz to 2.5GHz  
- **Modulation:** Supports IEEE 802.11b/g standards  
- **Supply Voltage:** 2.7V to 3.6V  
- **Current Consumption:**  
  - Receive Mode: 45mA (typical)  
  - Transmit Mode: 250mA (typical at +15dBm output)  
- **Output Power:** Up to +15dBm  
- **Receiver Sensitivity:** -85dBm (typical for 802.11b, 11Mbps)  
- **IF Frequency:** 374MHz  
- **Package:** 48-pin TQFP (7mm x 7mm)  

### **Descriptions:**
- The MAX2820 is a single-chip, direct-conversion transceiver designed for 2.4GHz ISM band applications, including Wi-Fi (802.11b/g).  
- It integrates a complete RF front-end, including a power amplifier (PA), low-noise amplifier (LNA), mixer, voltage-controlled oscillator (VCO), and baseband filters.  
- The device supports both transmit and receive modes with minimal external components.  

### **Features:**
- **Integrated Power Amplifier (PA):** Delivers up to +15dBm output power.  
- **Low-Noise Amplifier (LNA):** Provides high receiver sensitivity.  
- **Direct Conversion Architecture:** Eliminates the need for external IF filters.  
- **On-Chip VCO and Synthesizer:** Reduces external component count.  
- **Digital Gain Control:** Adjustable in 1dB steps.  
- **Low-Power Modes:** Supports power-saving operation.  
- **Fully Differential I/Q Baseband Interface:** Improves noise immunity.  

For exact performance and application details, refer to the official datasheet from Analog Devices (formerly Maxim Integrated).

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