Datasheet > MAX2850

MAX2850

更新时间： 2024-11-20 14:58:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
33页	3299K
描述
5GHz、4通道MIMO发送器

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MAX2850 数据手册

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MAX2850

5GHz, 4-Channel MIMO Transmitter

General Description

Features

The MAX2850 is a single-chip, 4-channel RF transmitter

IC designed for 5GHz wireless HDMI applications. The

IC includes all circuitry required to implement the com-

plete 4-channel MIMO RF transmitter function and crystal

oscillator, providing a fully integrated transmit path, VCO,

frequency synthesis, and baseband/control interface.

It includes a fast-settling, sigma-delta RF fractional

synthesizer with 76Hz frequency programming step

size. The IC also integrates on-chip I/Q amplitude and

phase-error calibration circuits. Dynamic on/off control

of four external PAs is implemented with programmable

precision voltages. A 4-to-1 analog mux routes external

PA power-detect voltages to the RSSI pin.

● 5GHz 4x MIMO Downlink Transmitters, Single

Uplink IEEE 802.11a Receiver

• 4900MHz to 5900MHz Frequency Range

• -5dBm Transmit Power (54Mbps OFDM)

• Coherent LO Among Transmitters

• 31dB Tx Gain-Control Range with 0.5dB Step Size,

Digitally Controlled

Tx/Rx I/Q Error and LO Leakage Detection and

Adjustment

• Programmable 20MHz/40MHz Tx I/Q Lowpass

Anti-Aliasing Filter

• 4-to-1 Analog Mux for PA Power Detect

• 4-Channel PA On/Oﬀ Control

• 4.5dB Rx Noise Figure

• 70dB Rx Gain-Control Range with 2dB Step Size,

Digitally Controlled

• 60dB Dynamic Range Receiver RSSI

• RF Wideband Receiver RSSI

• Programmable 20MHz/40MHz Rx I/Q Lowpass

Channel Filters

On-chip monolithic filters are included for transmitter I/Q

baseband signal reconstruction to support both 20MHz

and 40MHz RF channels. The baseband filtering and

Tx signal paths are optimized to meet stringent WHDI

requirements. The upconverter local oscillator is coherent

among all the transmitter channels.

The reverse-link control channel uses an on-chip 5GHz

OFDM receiver. It shares the RF synthesizer and LO gen-

eration circuit with the MIMO transmitters. The receiver

includes both an in-channel RSSI and an RF RSSI.

• Sigma-Delta Fractional-N PLL with 76Hz

Resolution

• Monolithic Low-Noise VCO with -35dBc Integrated

Phase Noise

• 4-Wire SPI™ Digital Interface

• I/Q Analog Baseband Interface

• Digital Tx/Rx Mode Control

The MIMO transmitter chip is housed in a small, 68-pin

thin QFN leadless plastic package with exposed pad.

• On-Chip Digital Temperature Sensor Readout

• Complete Baseband Interface

• Digital Tx/Rx Mode Control

Applications

● 5GHz Wireless HDMI (WHDI)

● 5GHz FDD Backhaul and WiMax™

● 5GHz MIMO Transmitter Up to Four Spatial Streams

● 5GHz Beam Steering Transmitter

● +2.7V to +3.6V Supply Voltage

● Small, 68-Pin Thin QFN Package (10mm x 10mm)

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX2850ITK+

*EP = Exposed pad.

-25°C to +85°C

68 Thin QFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

Typical Operating Circuit appears at end of data sheet.

WiMax is a trademark of WiMax Forum.

SPI is a trademark of Motorola, Inc.

19-5009; Rev 2; 1/19

12 3 4 5 6 7...33

中文翻译

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与MAX2850相关器件

型号	品牌	获取价格	描述	数据表
MAX2850ITK	MAXIM	获取价格	5GHz, 4-Channel MIMO Transmitter
MAX2850ITK+	MAXIM	获取价格	Telecom Circuit, 1-Func, BICMOS, PQCC68, 10 X 10 MM, ROHS COMPLIANT, PLASTIC, TQFN-68
MAX2851	ADI	获取价格	5GHz、5通道MIMO接收器
MAX2851ITK	MAXIM	获取价格	5GHz, 5-Channel MIMO Receiver
MAX2851ITK+	MAXIM	获取价格	Telecom Circuit, 1-Func, BICMOS, PQCC68, 10 X 10 MM, ROHS COMPLIANT, PLASTIC, TQFN-68
MAX2852	MAXIM	获取价格	5GHz Receiver
MAX2852ITK	MAXIM	获取价格	5GHz Receiver
MAX2852ITK+	MAXIM	获取价格	Telecom Circuit, 1-Func, BICMOS, PQCC68, 10 X 10 MM, ROHS COMPLIANT, PLASTIC, TQFN-68
MAX2870	MAXIM	获取价格	23.5MHz to 6000MHz Fractional nteger-N Synthesizer/VCO
MAX2870	ADI	获取价格	23.5MHz至6000MHz分数/整数N分频合成器/VCO

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