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MAX2820AETM-TD from MAXIM,MAXIM - Dallas Semiconductor

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MAX2820AETM-TD

Manufacturer: MAXIM

2.4GHz 802.11b Zero-IF Transceivers

Partnumber Manufacturer Quantity Availability
MAX2820AETM-TD,MAX2820AETMTD MAXIM 7507 In Stock

Description and Introduction

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

### **Specifications:**
- **Manufacturer:** Maxim Integrated (MAXIM)  
- **Part Number:** MAX2820AETM-TD  
- **Type:** RF Transceiver  
- **Frequency Range:** 2.4 GHz to 2.5 GHz  
- **Modulation:** Supports IEEE 802.11b/g (Direct-Sequence Spread Spectrum)  
- **Supply Voltage:** 2.7V to 3.6V  
- **Current Consumption:**  
  - Receiver Mode: 50 mA (typical)  
  - Transmit Mode: 250 mA (typical)  
- **Package:** 48-Pin TQFN (7mm x 7mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Data Rate:** Up to 54 Mbps (802.11g)  

### **Descriptions:**
The MAX2820AETM-TD is a fully integrated, single-chip RF transceiver designed for 2.4 GHz ISM band applications, including IEEE 802.11b/g wireless LAN systems. It integrates a direct-conversion receiver, a direct-upconversion transmitter, a voltage-controlled oscillator (VCO), and a synthesizer, reducing external component count.  

### **Features:**
- **Integrated Transceiver:** Combines transmitter, receiver, and synthesizer in a single chip.  
- **Low-IF Receiver Architecture:** Improves sensitivity and reduces interference.  
- **High Linearity:** Supports high data rates (up to 54 Mbps for 802.11g).  
- **On-Chip VCO and PLL:** Eliminates the need for external frequency generation components.  
- **Programmable Gain Control (AGC & PGA):** Optimizes signal strength in varying conditions.  
- **Low Power Consumption:** Suitable for battery-powered devices.  
- **Compact Package:** 48-pin TQFN for space-constrained designs.  

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

Application Scenarios & Design Considerations

2.4GHz 802.11b Zero-IF Transceivers

Alternative Part Number

  • SI4200-B-GT --: Similar 2.4 GHz transceiver function with comparable integration, usable as a functional substitute in many short-range RF designs.
  • CC2420-RTR1 --: Widely available 2.4 GHz IEEE 802.15.4 transceiver offering similar RF front-end role and strong ecosystem support.
  • AT86RF230-ZU --: Alternative 2.4 GHz transceiver with comparable sensitivity and low-power operation, suitable for redesign-based replacement.
  • SI4133-D-GT --: Dual-band RF synthesizer with integrated VCOs covering similar frequency ranges, a common functional substitute for MAX2820-class transceivers in WLAN designs.
  • ADF4360-7BCPZ --: Integrated PLL and VCO synthesizer offering comparable RF performance and a well-supported alternative when the MAX2820 is unavailable.
  • LMX2541SQE3030E --: High-performance integrated PLL/VCO synthesizer with wide frequency coverage, suitable as a functional replacement in similar RF front-end applications.

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