sx1231h Semtech Corporation, sx1231h Datasheet

sx1231h

Manufacturer Part Number

sx1231h

Description

Low Power Integrated Uhf Transceiver With On-chip +20dbm Pa

Manufacturer

Semtech Corporation

Datasheet

1.SX1231H.pdf (82 pages)

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Meier Automation Equipment Co., Limited

Part Number:

sx1231hIMLTRT

Manufacturer:

SEMTECH/美国升特

Quantity:

20 000

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Amily Shenzhen XNWY Technology Co., Ltd

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sx1231hIMLTRT

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sx1231hIMLTRT

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SX1231H Transceiver

Low Power Integrated UHF Transceiver with On-Chip +20dBm PA

The SX1231H is a highly integrated RF transceiver capable

of operation over a wide frequency range, including the 433,

868 and 915 MHz license-free ISM (Industry Scientific and

Medical) frequency bands. Its highly integrated architecture

allows for a minimum of external components whilst

maintaining maximum design flexibility. All major RF

communication parameters are programmable and most of

them can be dynamically set. The SX1231H offers the

unique advantage of programmable narrow-band and wide-

band communication modes without the need to modify

external components. The SX1231H is optimized for low

power consumption while offering high RF output power and

channelized operation. TrueRF™ technology enables a low-

cost external component count (elimination of the SAW

filter) whilst still satisfying ETSI and FCC regulations.

Rev 1 - Oct 2011

ADVANCED COMMUNICATIONS & SENSING

GENERAL DESCRIPTION

APPLICATIONS

MARKETS

Automated Meter Reading

Wireless Sensor Networks

Home and Building Automation

Wireless Alarm and Security Systems

Industrial Monitoring and Control

Wireless M-BUS

Europe: EN 300-220-1

North America: FCC Part 15.247, 15.249, 15.231

PA_BOOST

VR_PA

RFIO

GND

PA1&2

PA0

Ramp &

Control

LNA

VBAT1&2

Differential

Power Distribution System

Single to

VR_ANA

Inductor

Loop

Filter

Tank

Synthesizer

Division by

Frac-N PLL

2, 4 or 6

32 MHz

Mixers

XTAL

VR_DIG

Page 1

Modulators

Σ/Δ

KEY PRODUCT FEATURES

ORDERING INFORMATION

SX1231HIMLTRT

RSSI

GND

+20 dBm - 100 mW Power Output Capability

High Sensitivity: down to -120 dBm at 1.2 kbps

High Selectivity: 16-tap FIR Channel Filter

Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm,

80 dB Blocking Immunity, no Image Frequency response

Low current: Rx = 16 mA, 100nA register retention

Programmable Pout: -18 to +20 dBm in 1dB steps

Constant RF performance over voltage range of chip

FSK Bit rates up to 300 kb/s

Fully integrated synthesizer with a resolution of 61 Hz

FSK, GFSK, MSK, GMSK and OOK modulations

Built-in Bit Synchronizer performing Clock Recovery

Incoming Sync Word Recognition

115 dB+ Dynamic Range RSSI

Automatic RF Sense with ultra-fast AFC

Packet engine with CRC-16, AES-128, 66-byte FIFO

Built-in temperature sensor

QFN 24 Package - Operating Range [-40;+85°C]

Pb-free, Halogen free, RoHS/WEEE compliant product

Part Number

Oscillator

AFC

RESET

SPI

RXTX

DIO0

DIO1

DIO2

DIO3

DIO4

DIO5

Tape & Reel

Delivery

SX1231H

DATASHEET

www.semtech.com

MOQ / Multiple

3000 pieces

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