si4430 Silicon Laboratories, si4430 Datasheet

si4430

Manufacturer Part Number

si4430

Description

Si4430 Ism Transceiver

Manufacturer

Silicon Laboratories

Datasheet

1.SI4430.pdf (152 pages)

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Si4430 ISM T

Features



Applications



Description

Silicon Laboratories’ Si4430 highly integrated, single chip wireless ISM

transceiver is part of the EZRadioPRO™ family. The 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 offers advanced radio features including continuous frequency

coverage from 900–960 MHz The Si4430’s high level of integration offers reduced

BOM cost while simplifying the overall system design. The extremely low receive

sensitivity (–118 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.

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’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. This digital architecture simplifies

system design while allowing for the use of lower-end MCUs. The direct digital

transmit modulation and automatic PA power ramping ensure precise transmit

modulation and reduced spectral spreading ensuring compliance with ARIB

regulations.

Preliminary Rev. 0.4 5/09

Frequency Range = 900–960 MHz

Sensitivity = –118 dBm

+13 dBm Max Output Power



Low Power Consumption



Data Rate = 1 to 128 kbps

Power Supply = 1.8 to 3.6 V

Ultra low power shutdown mode

Digital RSSI

Wake-on-radio

Auto-frequency calibration (AFC)

Remote control

Home security & alarm

Telemetry

Personal data logging

Toy control

Tire pressure monitoring

Wireless PC peripherals

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

Configurable –8 to +13 dBm

18.5 mA receive

28 mA @ +13 dBm transmit

RANSCEIVER



Antenna diversity and TR switch

control

Configurable packet structure

Preamble detector

TX and RX 64 byte FIFOs

Low battery detector

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

FSK, GFSK, and OOK modulation

Low BOM

Power-on-reset (POR)

Remote meter reading

Remote keyless entry

Home automation

Industrial control

Sensor networks

Health monitors

Tag readers

Patents pending

VDD_RF

VR_IF

Paddle

RXp

RXn

Metal

Ordering Information:

Pin Assignments

See page 150.

Si4430

19 18 17

SCLK

SDI

SDO

VDD_DIG

Si4430

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