Datasheet > SX12821075

SX12821075

更新时间： 2024-11-21 06:15:07

品牌	Logo	应用领域
商升特 - SEMTECH		电池
页数	文件大小	规格书
1页	174K
描述
Transceiver/MCU/ADC System-on-Chip with RISC CPU for Battery-Powered Ultra-Low Power Applications

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SX12821075 数据手册

SX1282

Transceiver/MCU/ADC System-on-Chip with RISC CPU

for Battery-Powered Ultra-Low Power Applications

WIRELESS & SENSING PRODUCTS

Description

The SX1282 transceiver with embedded CoolRISC^®MCU,

dual 10 and 16-bit ADC and peripherals provides a highly-in-

tegrated single-chip acquisition processing and RF solution.

• Integrated programmable RC oscillator

• Start-up and μC operation

• 12.8 MHz crystal oscillator:

• Transceiver operation

With a design which sets state-of-the-art standards in low

receiver consumption, dual ISM-band transceiver blocks are

combined with a sophisticated ultra low-power 8-bit RISC

core plus extensive signal acquisition peripherals to provide

a complete system on chip for ISM-band applications.

• Low-power 32 kHz crystal oscillator

• μA level Time-keeping operation

• Analog watchdogs detect crystal oscillator failures

Data Acquisition

• Pyroelectric acquisition chain

• 80 dB PSRR on the full chain

• 10 μV/LSB

•

The SX1282 is manufactured in an ultra modern 0.18µm

process, with the entire radio, CoolRISC MCU, ADCs, pe-

ripherals, inductors and ﬁlters all integrated on a single die.

The circuit is capable of operating down to 1.0V, which makes

operation from a single alkaline battery possible. The circuit is

enclosed in a 60-pin QFN package of dimensions 7x7mm.

• 16 bits ADC, 8 Hz bandwidth

• Auxiliary 10 bits ADC

• 10k samples/s

• Multiple signal sources

• Programmable input attenuation

• Integrated thermometer function, 2°C accuracy

Embedded Core

• Ultra Low-power

• 1.3 mA power consumption at 6.4 MIPS

• CoolRISC technology

• Energy-efﬁcient RISC architecture

• Integrated 8x8 multiplier

• Program loads into and executes from RAM

• Memory resources

•

Features

•

Operating voltage down to 1.0V

Supply voltage range from 1.0V to 1.6V

• Entire circuit can operate on a single AA battery

Transceiver Chain

•

• Dual-Band operation, 434 MHz and 868 MHz

• Multi-channel, on-chip PLL,12.5 kHz steps

• FSK and OOK modulation

• Data rate up to 80 kbit/s FSK

• Sensitivity of -102 dBm @ 25 kbit/s, FSK, 10-3 BER

• Receive current 2.5 mA

• 1 kbytes boot ROM

• 22 kbytes Instruction RAM

• 1 kbytes data RAM

Applications

• Autonomy up to four years from a single AA battery in

wireless sensing

• Transmit power +10 dBm differential (35 mA supply

current)

• Integrated RX-TX switch

• Super heterodyne architecture

• First conversion: IF @ 96 MHz for 868 MHz band

• Second conversion: zero IF

•

Alarm and security systems

Wireless Sensor Networks

Home Automation

Wireless computer peripherals

Telemetry

•

Sports and Leisure Equipment

Industrial Sensing

• HW support for symbol synchronization and

clock recovery

•

Power Management

• High-current step-up for external EEPROM supply

@ 2.7V

Ordering Information

• Low-current step-up for the supply of the data

acquisition chains

Part Number

Package

• POR and brown-out detector

• Sophisticated Power Management

• Unused blocks are powered down

• Standby current down to 4.0uA typical

(23μA maximum)

SX12821075

VQFN60

• Oscillators

www.semtech.com

July 2008

中文翻译

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