4312-DK1 Silicon Laboratories Inc, 4312-DK1 Datasheet

4312-DK1

Manufacturer Part Number

4312-DK1

Description

KIT DEV OOK RECEIVER SI4312

Manufacturer

Silicon Laboratories Inc

Series

EZRadio®r

Type

Receiver, OOKr

Datasheets

1.4312-DK1.pdf (2 pages)

2.4312-DK1.pdf (10 pages)

Specifications of 4312-DK1

Frequency

315MHz, 434MHz

Wireless Frequency

315 MHz to 434 MHz

Modulation

OOK

Operating Voltage

9 V, 3.3 V

Antenna

SMA

For Use With/related Products

Si4312

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

336-1983

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Description

The Si4312 is a fully-integrated OOK 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 OOK digital modulation with data rates of up to

10 kBaud NRZ or 5 kBaud Manchester coded. The Si4312

has selectable data filters to optimize the sensitivity of the

receiver for a given data rate. The Si4312 employs a

frequency scanning algorithm to improve the sensitivity of

the receiver with a small IF bandwidth while still

maintaining the ability to accommodate large transmit

frequency offsets. The integrated on-chip squelch circuit

prevents false output data when the RF input signal is

absent or below sensitivity.

The device leverages Silicon Labs’ patented and proven

digital low-IF architecture and offers superior sensitivity

and interference rejection. The Si4312 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 superior blocking

ability and low intermodulation distortion for robust

reception in the presence of wide-band interference.

Digital integration reduces the number of required external

components compared to traditional 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 Si4312 improves the system manufacturing reliability,

improves quality, eases design-in, and minimizes costs.

EZRadio

Features

Applications

Single chip receiver with only six external components

Selectable 315/433.92 MHz carrier frequency

Supports OOK modulation

High sensitivity

(–110 dBm @ 1.0 kBaud)

Frequency scanning

Excellent interference rejection

Data rates up to 10 kBaud NRZ

(5 kBaud Manchester)

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

315/433.92 MHz OOK Receiver

Si4312

6.21.10

Related parts for 4312-DK1

4312-DK1 Summary of contents

Page 1

... RF receiver applications. The chip operates at a carrier frequency of 315 or 433.92 MHz and supports OOK digital modulation with data rates kBaud NRZ or 5 kBaud Manchester coded. The Si4312 has selectable data filters to optimize the sensitivity of the receiver for a given data rate. The Si4312 employs a ...

Page 2

... BSC 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 Si4312 Min Typ Max Unit 2.7 3.3 3.6 V – °C — 20 — ...

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