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MAX2821ETM-D

Description
RF Receiver
CategoryTopical application    Wireless rf/communication   
File Size594KB,26 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX2821ETM-D Overview

RF Receiver

MAX2821ETM-D Parametric

Parameter NameAttribute value
Product CategoryRF Receiver
ManufacturerMaxim
TypeTransceiver
Operating Frequency2500 MHz
Operating Supply Voltage3.3 V
Minimum Operating Temperature- 40 C
Package / CaseTQFN-EP-48
Mounting StyleSMD/SMT
Frequency Range2400 MHz to 2500 MHz
19-2493; Rev 5; 5/05
2.4GHz 802.11b Zero-IF Transceivers
General Description
The MAX2820/MAX2820A and MAX2821/MAX2821A
single-chip zero-IF transceivers are designed for the
802.11b (11Mbps) applications operating in the
2.4GHz to 2.5GHz ISM band. The transceivers are
nearly identical, except the MAX2821 and MAX2821A
also provide a low-power shutdown mode and an ana-
log voltage reference output. The MAX2820A/
MAX2821A are cost-reduced versions, virtually identi-
cal in pinout and performance to the MAX2820/
MAX2821. The transceivers include all the circuitry
required to implement an 802.11b RF-to-baseband
transceiver solution, providing a fully integrated
receive path, transmit path, VCO, frequency synthesis,
and baseband/control interface. Only a PA, RF switch,
RF BPF, and a small number of passive components are
needed to form the complete radio front-end solution.
The ICs eliminate the need for external IF and base-
band filters by utilizing a direct-conversion radio archi-
tecture and monolithic baseband filters for both
receiver and transmitter. They are specifically opti-
mized for 802.11b (11Mbps CCK) 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 devices are suitable for the full range of 802.11b
data rates (1Mbps, 2Mbps, 5.5Mbps, and 11Mbps) and
also the higher-rate 22Mbps PBCC
TM
standard. The
MAX2820 and MAX2821 are available in a 7mm
×
7mm
48-lead QFN package. The MAX2820, MAX2821,
MAX2820A, and MAX2821A are available in a 48-lead
thin QFN package.
Features
o
2.4GHz to 2.5GHz ISM Band Operation
o
802.11b (11Mbps CCK and 22Mbps PBCC) PHY
Compatible
o
Complete RF-to-Baseband Transceiver
Direct-Conversion Upconverters and
Downconverters
Monolithic Low-Phase-Noise VCO
Integrated Baseband Lowpass Filters
Integrated PLL with 3-Wire Serial Interface
Digital Bias Control for External PA
Transmit Power Control (Range > 25dB)
Receive Baseband AGC (Range > 65dB)
Complete Baseband Interface
Digital Tx/Rx Mode Control
Analog Receive Level Detection
o
-97dBm Rx Sensitivity at 1Mbps
o
-87dBm Rx Sensitivity at 11Mbps
o
+2dBm Transmit Power (11Mbps CCK)
o
Single +2.7V to +3.6V Supply
o
Low-Current Shutdown Mode (MAX2821 only)
o
Very Small 48-Pin QFN Package(s)
MAX2820/MAX2820A/MAX2821/MAX2821A
Applications
802.11b 11Mbps WLAN
802.11b
+
22Mbps PBCC High-Data-Rate WLAN
802.11a + b Dual-Band WLAN
2.4GHz ISM Band Radios
Ordering Information
PART
MAX2820ETM-TD
MAX2820ETM+TD
MAX2820AETM-TD
MAX2820AETM+TD
MAX2821ETM-TD
MAX2821ETM+TD
MAX2821AETM-TD
MAX2821AETM+TD
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
48 Thin QFN
Lead Free
48 Thin QFN
Lead Free
48 Thin QFN
Lead Free
48 Thin QFN
Lead Free
PBCC is a trademark of Texas Instruments, Inc.
Pin Configuration/Functional Diagram and Typical
Application Circuit appear at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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Description RF Receiver
Product Category RF Receiver RF Receiver
Manufacturer Maxim Maxim
Type Transceiver Transceiver
Operating Frequency 2500 MHz 2500 MHz
Operating Supply Voltage 3.3 V 3.3 V
Minimum Operating Temperature - 40 C - 40 C
Package / Case TQFN-EP-48 TQFN-EP-48
Mounting Style SMD/SMT SMD/SMT
Frequency Range 2400 MHz to 2500 MHz 2400 MHz to 2500 MHz
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