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MAX7049ATI

产品描述High-Performance, 288MHz to 945MHz ASK/FSK ISM Transmitter
文件大小3MB,共51页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX7049ATI概述

High-Performance, 288MHz to 945MHz ASK/FSK ISM Transmitter

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19-5867; Rev 0; 6/11
EVALUATION KIT AVAILABLE
MAX7049
High-Performance, 288MHz to 945MHz
ASK /FSK ISM Transmitter
General Description
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.
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.
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.
Benefits and Features
S Transmitter(Tx)
 ProvidesLongTransmitRangeUpto+15dBm
21mATxCurrentfor+10dBmTxPower*
41mATxCurrentfor+15dBmTxPower*
ModulationShaping,ASK,FSK
S General
 DeliversLongBatteryLife

<50nAShutdownCurrent
  <350nASleepCurrent
MinimizestheNumberofI/OsRequired
 BetweentheICandtheMCUSerialPeripheral
 Interface(SPI™)
 RegulatoryCompliant
  FCCPart15FrequencyHopping
  ETSIEN300-220Compatible
 On-ChipTemperatureSensor
 FastFractional-NSynthesizerwitha
 User-DefinedExternalLoopFilter
*V
DD
= 3.0V. Includes losses for the matching network and
regulatory-compliant harmonic filter.
Applications
Automatic Meter Reading (AMR)
RF Modules
Long-Range, One-Way Remote Keyless Entry (RKE)
Wireless Sensor Networks
TPMS
Home Security
Home Automation
RFID
Remote Controls
Ordering Information
appears at end of data sheet.
For related parts and recommended products to use with this part,
refer to
www.maxim-ic.com/MAX7049.related.
SPI is a trademark of Motorola, Inc.
 ½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½ Maxim
Integrated Products
 1
½
Forpricing,delivery,andorderinginformation,pleasecontactMaximDirectat1-888-629-4642,
orvisitMaxim’swebsiteatwww.maxim-ic.com.

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