Datasheet > MRF39RAT-I/LY

MRF39RAT-I/LY

更新时间： 2024-01-18 21:08:20

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
72页	1183K
描述
Low-Power, Integrated UHF Receiver

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MRF39RAT-I/LY 数据手册

MRF39RA

Low-Power, Integrated UHF Receiver

Telecommunications Standards Institute (ETSI) and

Features

Federal

Communications

Commission

(FCC)

• High Sensitivity:

regulations.

- down to -120 dBm at 1.2 kbps

• High Selectivity:

FIGURE 1:

MRF39RA RECEIVER:

- 16-Tap FIR channel filter

• Bullet-Proof Front End:

LOW-POWER INTEGRATED

UHF RECEIVER

VBAT1&2

VR_ANA

VR_DIG

- IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB

blocking immunity, no image frequency

response

Oscillator

Power Distribution System



Modulators

LNA

Mixers

Single to

Differential

RFIN

RESET

SPI

• Low Current:

- Rx = 16 mA, 100 nA register retention

RSSI

AFC

GND

• Constant RF Performance over Voltage Range of

Division by

2, or

Chip

DIO0

DIO1

DIO2

DIO3

DIO4

DIO5

Tank

Inductor

• FSK Bit Rates up to 300 kbps

• Fully Integrated Synthesizer with a Resolution of

61 Hz

Loop

Filter

Frac-N PLL

Synthesizer

32 MHz

XTAL

GND

• FSK, GFSK, MSK, GMSK

Demodulation

and

OOK

• Built-in Bit Synchronizer Performing Clock

Recovery

Typical Applications

• Incoming Sync Word Recognition

• 115 dB+ Dynamic Range Received Signal

Strength Indicator (RSSI)

• Automated Meter Reading

• Wireless Sensor Networks

• Home and Building Automation

• Automatic RF Sense with Ultra-Fast Automatic

Frequency Control (AFC)

• Packet Engine with CRC, AES-128 Encryption

and 66-Byte First In First Out (FIFO)

• Built-in Temperature Sensor and Low-Battery

Indicator

• Wireless Alarm and Security Systems

• Industrial Monitoring and Control

• Wireless M-Bus

Pin Diagram

FIGURE 2:

24-PIN QFN

General Description

The MRF39RA device is a highly integrated RF

receiver capable of operation over a wide frequency

range, including the 433, 868 and 915 MHz

license-free Industry Scientific and Medical (ISM)

frequency bands. Its highly integrated architecture

enables for a minimum of external components while

maintaining maximum design flexibility. All major RF

communication parameters are programmable and

most of these can be dynamically set. The MRF39RA

offers the unique advantage of programmable

narrow-band and wide-band communication modes

without the need of modifying external components.

The MRF39RA is optimized for low-power

consumption while offering high sensitivity and

channelized operation. TrueRF™ technology enables

a low-cost external component count (elimination of the

SAW filter) while still satisfying the European

21 20

VBAT1

NSS

VR_ANA

VR_DIG

XTA

MOSI

MISO

SCK

XTB

GND

RESET

VBAT2

10 11

Markets

• Europe: EN 300-220-1

• North America: FCC Part 15.247, 15.249, 15.231

• Narrow Korean and Japanese Bands

 2015 Microchip Technology Inc.

DS40001778B-page 1

12 3 4 5 6 7...72

中文翻译

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