max2850 Maxim Integrated Products, Inc., max2850 Datasheet

max2850

Manufacturer Part Number

max2850

Description

5ghz, 4-channel Mimo Transmitter

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX2850.pdf (33 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

max2850+

Manufacturer:

MAXIM/美信

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

max2850ITK+T

Manufacturer:

MAXIM/美信

Quantity:

20 000

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Download datasheet (5Mb)

19-5009; Rev 1; 3/10

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 crys-

tal oscillator, providing a fully integrated transmit path,

VCO, frequency synthesis, and baseband/control inter-

face. 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.

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 coher-

ent 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.

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

thin QFN leadless plastic package with exposed pad.

WiMax is a trademark of WiMax Forum.

SPI is a trademark of Motorola, Inc.

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.

5GHz Wireless HDMI (WHDI)

5GHz FDD Backhaul and WiMax™

5GHz MIMO Transmitter Up to Four Spatial

Streams

5GHz Beam Steering Transmitter

_______________________________________________________________ Maxim Integrated Products 1

General Description

5GHz, 4-Channel MIMO Transmitter

Applications

*EP = Exposed pad.

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

Typical Operating Circuit appears at end of data sheet.

S +2.7V to +3.6V Supply Voltage

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

MAX2850ITK+

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

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

Programmable 20MHz/40MHz Tx I/Q Lowpass

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

60dB Dynamic Range Receiver RSSI

RF Wideband Receiver RSSI

Programmable 20MHz/40MHz Rx I/Q Lowpass

Sigma-Delta Fractional-N PLL with 76Hz

Monolithic Low-Noise VCO with -35dBc

4-Wire SPI™ Digital Interface

I/Q Analog Baseband Interface

Digital Tx/Rx Mode Control

On-Chip Digital Temperature Sensor Readout

Complete Baseband Interface

Digital Tx/Rx Mode Control

PART

Size, Digitally Controlled

Adjustment

Anti-Aliasing Filter

Size, Digitally Controlled

Channel Filters

Resolution

Integrated Phase Noise

Ordering Information

-25NC to +85NC

TEMP RANGE

68 Thin QFN-EP*

PIN-PACKAGE

Features

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