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4012-LCD1W-915

产品描述RF development tools
产品类别开发板/开发套件/开发工具   
文件大小974KB,共3页
制造商Silicon Laboratories Inc
标准  
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4012-LCD1W-915概述

RF development tools

4012-LCD1W-915规格参数

参数名称属性值
ManufactureSilicon Laboratories
产品种类
Product Category
RF Development Tools
RoHSYes

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Si4012
Crystal-less RF Transmitter
Description
Silicon Laboratories’ Si4012 is a fully integrated crystal-less
CMOS high-data rate RF transmitter designed for the sub-GHz
ISM band. This chip is optimized for battery powered applications
requiring low standby currents and high output transmit power.
The device offers advanced radio features including continuous
frequency coverage from 27–960 MHz, adjustable output power of
up to +10 dBm, and data rates up to 100 Kbaud in FSK mode. The
Si4012’s high level of integration offers reduced BOM cost while
simplifying the overall system design.
The transmitter supports data streaming into the TX FIFO without
external MCU support. The digital transmit modulation and
automatic PA power ramping ensure precise transmit modulation
and reduced spectral splatter, ensuring compliance with FCC,
ETSI, and ARIB regulations. Additional system features such as
the low battery detector and 256 byte TX FIFO reduce overall
current consumption and allow the use of lower-cost system
MCUs. The Si4012 is optimized for wireless MBUS T1-mode.
The device leverages Silicon Labs' patented and proven crystal-
less oscillator technology and offers better than ±150 ppm carrier
frequency stability over the temperature range of 0 to + 70 °C and
±250 ppm carrier frequency stability over the industrial range of
–40 to +85 °C without the use of an external crystal or frequency
reference. The Si4012 automatically calibrates the on-chip voltage
controlled oscillator (LCOSC) which forms the output carrier fre-
quency for process and temperature variations. An external 1-pin
crystal oscillator option is available for applications requiring
tighter frequency tolerances. The Si4012 is designed to work with
an MCU and a few passives to create a very low-cost system. Volt-
age regulators are integrated on-chip, which allows for a wide
range of operating supply voltage conditions from +1.8 to +3.6 V.
Digital integration reduces the amount of required external compo-
nents compared to traditional offerings. The high integration of the
Si4012 improves the system manufacturing reliability, quality, and
minimizes costs. This chip offers industry leading RF performance,
high integration, flexibility, low BOM, small board area, and ease of
design. No production alignment is necessary as all RF functions
are integrated into the device.
Features
-
Frequency Range = 27–960 MHz
-
FSK and OOK modulation
-
Output Power
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Maximum: +10 dBm
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Configurable: –13 to +10 dBm
-
Crystal-less operation
-
±150 ppm: 0 to + 70 °C
-
±250 ppm: –40 to + 85 °C
-
Optional crystal input for tighter tolerances
-
Data Rate
-
FSK: 0.1 to 100 Kbaud
-
OOK: 0.1 to 20 Kbaud
-
Power Supply = 1.8 to 3.6 V
-
TX 256 byte FIFO
-
Low battery detector
-
SMBus interface
-
–40 to +85 °C temperature range
-
10-pin MSOP, Pb free/RoHS compliant
Applications
-
-
-
-
-
-
-
-
-
-
-
Remote meter reading
Wireless MBUS T1-mode
Remote control
Remote keyless entry
Home security and alarm
Telemetry
Toy control
Home automation
Industrial control
Sensor networks
Health monitors
Si4012
DIGITAL LOGIC
SDA
SCL
SDN
nIRQ
ANTENNA
TUNE
OOK
FSK
MODULATOR
LCOSC
DIVIDER
PA
AUTO
TUNE
TXP
TXM
RF ANALOG CORE
SMBus
INTERFACE
TX
256 BYTE
DATA FIFO
LED
GPIO0/XTAL
DIGITAL
CONTROLLER
REGISTER
BANK
LPOSC
VA
SLP
TMR
XTAL
OSC
VD
LDO
POR
BANDGAP
BATTERY
MONITOR
VDD
GND
EZRadio
Copyright © 2010 by Silicon Laboratories
6.18.10

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