4311-DK1 Silicon Laboratories Inc, 4311-DK1 Datasheet

4311-DK1

Manufacturer Part Number

4311-DK1

Description

KIT DEV FSK RECEIVER SI4311

Manufacturer

Silicon Laboratories Inc

Series

EZRadio®r

Type

Receiver, FSKr

Datasheets

1.4311-DK1.pdf (2 pages)

2.4311-DK1.pdf (10 pages)

Specifications of 4311-DK1

Frequency

315MHz, 434MHz

Wireless Frequency

315 MHz to 434 MHz

Modulation

FSK

Operating Voltage

9 V, 3.3 V

Antenna

SMA

For Use With/related Products

Si4311

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

336-1982

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Description

The Si4311 is a fully-integrated FSK CMOS RF

receiver that operates in the unlicensed 315 and

433.92 MHz ultra high frequency (UHF) bands. It is

designed for high-volume, cost-sensitive RF receiver

applications. The chip operates at a carrier frequency

of 315 or 433.92 MHz and supports FSK digital

modulation with data rates of up to 10 kBaud.

The device leverages Silicon Labs’ patented and

proven digital low-IF architecture and offers superior

sensitivity and interference rejection. The Si4311 can

achieve superior sensitivity in the presence of large

interference due to its high dynamic range ADCs and

digital filters. The digital low-IF architecture also

enables

intermodulation distortion for robust reception in the

presence of wide-band interference.

Digital integration reduces the number of required

external

offerings, resulting in a solution that only requires a

16 MHz crystal and passive components allowing a

small and compact printed circuit board (PCB)

implementation area. The high integration of the

Si4311 improves the system manufacturing reliability,

improves quality, eases design-in, and minimizes

costs.

EZRadio

2.7 – 3.6 V

Antenna

components

superior

RX_IN

VDD

GND

blocking

compared

LNA

AGC

LDO

ability

and

traditional

low

PGA

AFC

Features

Applications

Single chip receiver with only six external components

Selectable 315/433.92 MHz carrier frequency

Supports FSK modulation

High sensitivity (–104 dBm @ 5 kBaud)

Excellent interference rejection

Selectable IF bandwidths

Automatic Frequency Centering (AFC)

Data rates up to 10 kBaud

Direct battery operation with on-chip low drop out

(LDO) voltage regulator

16 MHz crystal oscillator support

3x3x0.85 mm 20L QFN package (RoHS compliant)

–40 to +85 °C temperature range

Satellite set-top box receivers

Remote controls, IR replacement/extension

Garage and gate door openers

Home automation and security

Remote keyless entry

After market alarms

Telemetry

Wireless point of sale

Toys

16 MHz

315/433.92 MHz FSK Receiver

XTAL

ADC

OSC

PROCESSOR

BASEBAND

SQUELCH

MCU

DSP

Si4311

DOUT

315/434

DEV[1:0]

BT[1:0]

AFC

RST

6.21.10

Related parts for 4311-DK1

4311-DK1 Summary of contents

Page 1

... Description The Si4311 is a fully-integrated FSK CMOS RF receiver that operates in the unlicensed 315 and 433.92 MHz ultra high frequency (UHF) bands designed for high-volume, cost-sensitive RF receiver applications. The chip operates at a carrier frequency of 315 or 433.92 MHz and supports FSK digital modulation with data rates kBaud. ...

Page 2

... VDD D2 1.65 1.70 e 0.50 BSC E 3.00 BSC E2 1.65 1.70 Notes: 1. All dimensions are shown in millimeters (mm) unless otherwise noted. 2. Dimensioning and tolerancing per ASME Y14.5M-1994. Copyright © 2010 by Silicon Laboratories Si4311 Min Typ Max Unit 2.7 3.3 3.6 V – °C — 20 — ...

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