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MAX2822

Features: ` 2.4GHz to 2.5GHz ISM Band Operation` 802.11b (11Mbps CCK and 22Mbps PBCC) PHY Compatible` Integrated +17dBm PA` Integrated PA Power Detector` Integrated Transmit/Receive Switch` Complete RF-to-Baseband Transceiver Direct Up/Down Conversion Monolithic Low-Phase-Noise VCO Integrated Base...

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SeekIC No. : 004409752 Detail

MAX2822: Features: ` 2.4GHz to 2.5GHz ISM Band Operation` 802.11b (11Mbps CCK and 22Mbps PBCC) PHY Compatible` Integrated +17dBm PA` Integrated PA Power Detector` Integrated Transmit/Receive Switch` Complete...

MAX2822 Data Sheet

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Part Number:
MAX2822
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

` 2.4GHz to 2.5GHz ISM Band Operation
` 802.11b (11Mbps CCK and 22Mbps PBCC) PHY Compatible
` Integrated +17dBm PA
` Integrated PA Power Detector
` Integrated Transmit/Receive Switch
` Complete RF-to-Baseband Transceiver
Direct Up/Down Conversion
Monolithic Low-Phase-Noise VCO
Integrated Baseband Lowpass Filters
Integrated PLL with 3-Wire Serial Interface
Digital Bias Control for PA
Transmit Power Control
Receive Baseband AGC
Complete Baseband Interface
Digital Tx/Rx Mode Control
` -95dBm Rx Sensitivity at 1Mbps
` -85dBm Rx Sensitivity at 11Mbps
` Single +2.7V to +3.0V Supply
` 2µA Shutdown Mode
` Very Small 48-Pin QFN Package


Application

·802.11b PDAs and SmartPhones
·802.11b Embedded Modules
·802.11b PC Cards, Mini-PCI Cards


Specifications

VCC Pins to GND .............................................-0.3V to +3.6V
RF I/O: RFP, RFN (current into pin)................................50mA
Baseband Inputs: TX_BBIP, TX_BBIN, TX_BBQP,
TX_BBQN to GND ..................................-0.3V to (VCC + 0.3V)
Baseband Outputs: RX_BBIP, RX_BBIN, RX_BBQP,
RX_BBQN to GND..................................-0.3V to (VCC + 0.3V)
Analog Inputs: RX_AGC, TX_GC, TUNE, ROSCN,
ROSCP to GND ......................................-0.3V to (VCC + 0.3V)
Analog Outputs: PWR_DET, CP_OUT
to GND...................................................-0.3V to (VCC + 0.3V)
Digital Inputs: RX_ON, TX_ON, SHDNB, CSB, SCLK,
DIN, RF_GAIN, RX_1K to GND.................-0.3V to (VCC + 0.3V)
Bias Voltages: RBIAS, BYP ..............................+0.9V to +1.5V
Short-Circuit Duration Digital Output: DOUT .....................10s
RF Input Power .........................................................+10dBm
Continuous Power Dissipation (TA = +70°C)
48-Lead QFN (derate 27.0mW/°C above +70°C) ..2162mW
Operating Temperature Range ...................-40°C to +85°C
Junction Temperature................................................+150°C
Storage Temperature Range ....................-65°C to +160°C
Lead Temperature (soldering, 10s) ..........................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.


Description

The MAX2822 single-chip transceiver is designed for 802.11b (11Mbps) applications operating in the 2.4GHz to 2.5GHz ISM band. The transceiver includes all the circuitry required to implement an 802.11b RF-to-baseband transceiver solution, including the power amplifier, transmit/receive switch, and 50Ω matching. The fully integrated receive path, transmit path, VCO, frequency synthesis, and baseband/control interface provide all the required active RF circuitry. Only a small number of passive components are needed to form the complete radio front-end solution.

The MAX2822 IC eliminates the need for external IF SAW and RF image-reject filters by utilizing a direct-conversion radio architecture and monolithic baseband filters for both receiver and transmitter. It is specifically optimized for 802.11b (11Mbps CCK) and 22Mbps PBCC™ applications. The baseband filtering and Rx and Tx signal paths support the CCK modulation scheme for BER = 10-5 at the required sensitivity levels.

The transceiver is suitable for the full range of 802.11b data rates (1Mbps, 2Mbps, 5.5Mbps, and 11Mbps) as well as the higher-rate 22Mbps PBCC standard. The MAX2822 is available in the very small 7mm x 7mm 48- lead QFN or thin QFN packages. The small solution size makes it ideal for small form-factor 802.11b applications such as PDAs, SmartPhones, and embedded modules.




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