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SI4432

更新时间： 2024-09-13 05:34:43
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国际商业机器公司 - IBM 电子手机电话
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中辉电子商行主营业务： 主营:　直插八脚　 光耦　DIP　 SOP　二三极管　场效应等，可接受配单，敬请垂询！ 网址1：http://www.zhonghui-su.com 网址2：http://www.zh-su.com 英文网站01：http://www.iceach.com/ic/contact.asp?id=1270_117569 英文网站02：http://www.zhonghui-su.com/default_en.asp 销售一部;苏小姐 苏先生 销售二部;赵先生 苏小姐 电话： 0755-33060853 非值班手机： 13480103950 13421310323 OICQ：506518680,529439314, 296200415 MSN： zh-su@hotmail.com 传真： 0755-33060853 EMail： 506518680@qq.com 公司柜台： 深圳市福田区华强北赛格高科德电子市场1楼12260柜台

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SI4432 数据手册

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Si4430/31/32-B1  
Si4430/31/32 ISM TRANSCEIVER  
Features  
Wake-up timer  
Frequency Range  
Auto-frequency calibration (AFC)  
Power-on-reset (POR)  
Antenna diversity and TR switch  
control  
Configurable packet handler  
Preamble detector  
240–930 MHz (Si4431/32)  
900–960 MHz (Si4430)  
Sensitivity = –121 dBm  
Output power range  
+20 dBm Max (Si4432)  
+13 dBm Max (Si4430/31)  
Low Power Consumption  
18.5 mA receive  
30 mA @ +13 dBm transmit  
85 mA @ +20 dBm transmit  
Data Rate = 0.123 to 256 kbps  
FSK, GFSK, and OOK modulation  
Power Supply = 1.8 to 3.6 V  
Ultra low power shutdown mode  
Digital RSSI  
TX and RX 64 byte FIFOs  
Low battery detector  
Ordering Information:  
Temperature sensor and 8-bit ADC  
–40 to +85 °C temperature range  
Integrated voltage regulators  
Frequency hopping capability  
On-chip crystal tuning  
20-Pin QFN package  
See page 67.  
Pin Assignments  
Si4430/31/32  
Low BOM  
Applications  
20 19 18 17  
VDD_RF  
TX  
1
16  
Remote control  
Home security & alarm  
Telemetry  
Personal data logging  
Toy control  
Tire pressure monitoring  
Wireless PC peripherals  
Remote meter reading  
Remote keyless entry  
Home automation  
Industrial control  
Sensor networks  
Health monitors  
2
15 SCLK  
14 SDI  
13 SDO  
12 VDD_DIG  
11 NC  
RXp  
RXn  
NC  
3
4
5
GND  
PAD  
Tag readers  
6
7
8
9
10  
Description  
Silicon Laboratories’ Si4430/31/32 devices are highly integrated, single chip  
wireless ISM transceivers. The high-performance EZRadioPRO® family includes  
a complete line of transmitters, receivers, and transceivers allowing the RF  
system designer to choose the optimal wireless part for their application.  
The Si4430/31/32’s high level of integration offers reduced BOM cost while  
simplifying the overall system design. The extremely low receive sensitivity  
(–121 dBm) coupled with industry leading +20 dBm output power ensures  
extended range and improved link performance. Built-in antenna diversity and  
support for frequency hopping can be used to further extend range and enhance  
performance.  
Patents pending  
The Si4430/31/32 offers advanced radio features including continuous frequency  
coverage from 240–960 MHz in 156 Hz or 312 Hz steps allowing precise tuning  
control. Additional system features such as an automatic wake-up timer, low  
battery detector, 64 byte TX/RX FIFOs, automatic packet handling, and preamble  
detection reduce overall current consumption and allow the use of lower-cost  
system MCUs. An integrated temperature sensor, general purpose ADC, power-  
on-reset (POR), and GPIOs further reduce overall system cost and size.  
The Si4430/31/32’s digital receive architecture features a high-performance ADC  
and DSP based modem which performs demodulation, filtering, and packet  
handling for increased flexibility and performance. The direct digital transmit  
modulation and automatic PA power ramping ensure precise transmit modulation  
and reduced spectral spreading ensuring compliance with global regulations  
including FCC, ETSI, ARIB, and 802.15.4d regulations.  
An easy-to-use calculator is provided to quickly configure the radio settings,  
simplifying customer's system design and reducing time to market.  
Rev 1.0 12/09  
Copyright © 2009 by Silicon Laboratories  
Si4430/31/32  
1234567...74

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