Datasheet > MAX7049ATI

MAX7049ATI

更新时间： 2024-01-30 13:39:22

品牌	Logo	应用领域
美信 - MAXIM		ISM频段
页数	文件大小	规格书
51页	3748K
描述
High-Performance, 288MHz to 945MHz ASK/FSK ISM Transmitter

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MAX7049ATI 数据手册

�� ꢀMaxim Integrated Productsꢀ ꢀ 1

19-5867; Rev 0; 6/11

E V A L U A T I O N K I T A V A I L A B L E

MAX7049

High-Performance, 288MHz to 945MHz

ASK/FSK ISM Transmitter

General Description

Benefits and Features

The MAX7049 high-performance, single-chip, ultra-

low-power ASK/FSK UHF transmitter operates in the

industrial, scientific, medical (ISM) band at 288MHz to

945MHz carrier frequencies. The IC also includes a low

phase noise fractional-N synthesizer for precise tuning,

fast frequency agility, and low out-of-band power. To

support narrow-band applications, the IC has both

amplitude-shaping and frequency-shaping functions that

enable the user to optimize spectral efficiency. The IC

offers Tx power up to +15dBm. These features make the

transmitter ideally suited for long-range applications.

SꢀTransmitterꢀ(Tx)

ꢀProvidesꢀLongꢀTransmitꢀRangeꢀUpꢀtoꢀ+15dBm

ꢀ21mAꢀTxꢀCurrentꢀforꢀ+10dBmꢀTxꢀPower*

ꢀ41mAꢀTxꢀCurrentꢀforꢀ+15dBmꢀTxꢀPower*

ꢀModulationꢀShaping,ꢀASK,ꢀFSK

SꢀGeneral

ꢀDeliversꢀLongꢀBatteryꢀLife

ꢀ

<ꢀ50nAꢀShutdownꢀCurrent

<ꢀ350nAꢀSleepꢀCurrentꢀ

ꢀ

ꢀMinimizesꢀtheꢀNumberꢀofꢀI/OsꢀRequired

ꢀ

BetweenꢀtheꢀICꢀandꢀtheꢀMCUꢀSerialꢀPeripheralꢀ

Interfaceꢀ(SPI™)ꢀ

Additional system-level features of the IC include a digital

temperature sensor and a number of flexible GPOs for

monitoring radio status and for the control of external

functions. A complete transmitter system can be built

using a low-end microprocessor control unit (MCU), the

IC, a crystal, and a small number of passive components.

ꢀRegulatoryꢀCompliant

ꢀ

FCCꢀPartꢀ15ꢀFrequencyꢀHoppingꢀ

ETSIꢀEN300-220ꢀCompatibleꢀ

ꢀOn-ChipꢀTemperatureꢀSensor

ꢀFastꢀFractional-NꢀSynthesizerꢀwithꢀa

ꢀ

User-DefinedꢀExternalꢀLoopꢀFilter

The IC is available in a small, 5mm x 5mm, 28-pin TQFN

package with an exposed pad. It is specified to operate

in the -40°C to +125°C automotive temperature range.

= 3.0V. Includes losses for the matching network and

regulatory-compliant harmonic filter.

Applications

Automatic Meter Reading (AMR)

Ordering Information appears at end of data sheet.

RF Modules

Long-Range, One-Way Remote Keyless Entry (RKE)

Wireless Sensor Networks

TPMS

For related parts and recommended products to use with this part,

refer to www.maxim-ic.com/MAX7049.related.

Home Security

Home Automation

RFID

Remote Controls

SPI is a trademark of Motorola, Inc.

Forꢀpricing,ꢀdelivery,ꢀandꢀorderingꢀinformation,ꢀpleaseꢀcontactꢀMaximꢀDirectꢀatꢀ1-888-629-4642,ꢀ

orꢀvisitꢀMaxim’sꢀwebsiteꢀatꢀwww.maxim-ic.com.

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