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MAX2172ETL

更新时间: 2024-11-16 12:35:31
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
38页 5097K
描述
5GHz, 5-Channel MIMO Receiver

MAX2172ETL 数据手册

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19-5121; Rev 1; 3/10  
5GHz, 5-Channel MIMO Receiver  
General Description  
Features  
S 5GHz, 5x MIMO Downlink Receivers, Single-Uplink  
The MAX2851 is a single-chip, 5-channel RF receiver IC  
designed for 5GHz wireless HDMI™ applications. The  
IC includes all circuitry required to implement the com-  
plete 5-channel MIMO RF receiver function and crystal  
oscillator, providing a fully integrated receive path, VCO,  
frequency synthesis, and baseband/control interface. It  
includes a fast-settling sigma-delta RF fractional synthe-  
sizer with 76Hz frequency programming step size. The  
IC also integrates on-chip I/Q amplitude and phase-error  
calibration circuits. The receiver includes both an in-  
channel RSSI and also an RF RSSI.  
IEEE 802.11a Transmitter  
S 4900MHz to 5900MHz Frequency Range  
S Coherent LO Among Receivers  
S 4.5dB Rx Noise Figure  
S 70dB Rx Gain Control Range with 2dB Step Size,  
Digitally Controlled  
S 60dB Dynamic Range Receiver RSSI  
S RF Wideband Receiver RSSI  
S Programmable 20MHz/40MHz Rx I/Q Lowpass  
On-chip monolithic filters are included for receiver I/Q  
baseband signal channel selection, for supporting both  
20MHz and 40MHz RF channels. The baseband filter-  
ing and Rx signal paths are optimized to meet stringent  
WHDI requirements. The downconverter local oscillator  
is coherent among all the receiver channels.  
Channel Filters  
S -5dBm Transmit Power (54Mbps OFDM)  
S 31dB Tx Gain Control Range with 0.5dB Step Size,  
Digitally Controlled  
S Tx/Rx I/Q Error and LO Leakage Detection and  
Adjustment  
The reverse-link control channel uses an on-chip 5GHz  
OFDM transmitter. It shares the RF synthesizer and LO  
generation circuit with the MIMO receivers. Dynamic  
on/off control of the external PA is implemented with  
programmable precision voltage. An analog mux routes  
external PA power-detect voltage to the RSSI pin.  
S Programmable 20MHz/40MHz Tx I/Q Lowpass  
Anti-Aliasing Filter  
S Analog Mux for PA Power Detect  
S PA On/Off Control  
S Sigma-Delta Fractional-N PLL with 76Hz  
Resolution  
The MIMO receiver chip is housed in a small 68-pin  
TQFN leadless plastic package with exposed paddle.  
S Monolithic Low-Noise VCO with -35dBc Integrated  
Phase Noise  
S 4-Wire SPIKDigital Interface  
S I/Q Analog Baseband Interface  
S Digital Tx/Rx Mode Control  
S On-Chip Digital Temperature Sensor Readout  
S Complete Baseband Interface  
S Digital Tx/Rx Mode Control  
Applications  
5GHz Wireless HDMI (WHDI™)  
5GHz FDD Backhaul and WiMAX™  
5GHz MIMO Receiver Up to Five Spatial Streams  
5GHz Beam Steering Receiver  
S +2.7V to +3.6V Supply Voltage  
S Small 68-Pin TQFN Package (10mm x 10mm)  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX2851ITK+  
-25NC to +85NC  
68 TQFN-EP*  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed paddle.  
HDMI is a trademark of HDMI Licensing, LLC.  
WHDI is a trademark of WHDI Special Interest Group.  
WiMAX is a trademark of the WiMAX Forum.  
SPI is a trademark of Motorola, Inc.  
Typical Operating Circuit appears at end of data sheet.  
_______________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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