4432-T-B1 B 915【PDF 1/47 页】KIT DEV TEST EZRADIOPRO SI4432

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Sheet目录49

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Rev 1.1 10/10

Si4430/31/32

Si4430/31/32-B1

Si4430/31/32 ISM TRANSCEIVER

Features

Applications

Description

Silicon Laboratories Si4430/31/32 devices are highly integrated, single chip

wireless ISM transceivers. The high-performance EZRadioPRO

?/DIV>

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 Si4430/31/32s 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.

The Si4430/31/32 offers advanced radio features including continuous frequency

coverage from 240960 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 Si4430/31/32s 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.

n Frequency Range

l 240930 MHz (Si4431/32)

l 900960 MHz (Si4430)

n Sensitivity = 121 dBm

n Output power range

l +20 dBm Max (Si4432)

l +13 dBm Max (Si4430/31)

n Low Power Consumption

l 18.5 mA receive

l 30 mA @ +13 dBm transmit

l 85 mA @ +20 dBm transmit

n Data Rate = 0.123 to 256 kbps

n FSK, GFSK, and OOK modulation

n Power Supply = 1.8 to 3.6 V

n Ultra low power shutdown mode

n Digital RSSI

n Wake-up timer

n Auto-frequency calibration (AFC)

n Power-on-reset (POR)

n Antenna diversity and TR switch

control

n Configurable packet handler

n Preamble detector

n TX and RX 64 byte FIFOs

n Low battery detector

n Temperature sensor and 8-bit ADC

n 40 to +85 ?/SPAN>C temperature range

n Integrated voltage regulators

n Frequency hopping capability

n On-chip crystal tuning

n 20-Pin QFN package

n Low BOM

n Remote control

n Home security & alarm

n Telemetry

n Personal data logging

n Toy control

n Tire pressure monitoring

n Wireless PC peripherals

n Remote meter reading

n Remote keyless entry

n Home automation

n Industrial control

n Sensor networks

n Health monitors

n Tag readers

Patents pending

Ordering Information:

See page 67.

Pin Assignments

GND

PAD

SCLK

SDI

SDO

VDD_DIG

DD_RF

RXn

RXp

Si4430/31/32

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