RF65 datasheet(8/72 Pages) ETC2

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RF65

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ADVANCED COMMUNICATIONS & SENSING

DATASHEET

This product datasheet contains a detailed description of the RF65 performance and functionality.

1. General Description

The RF65 is a single-chip integrated circuit ideally suited for today's high performance ISM band RF applications. The

RF65's advanced features set, including state of the art packet engine greatly simplifies system design whilst the high

level of integration reduces the external BOM to a handful of passive decoupling and matching components. It is intended

for use as high-performance, low-cost FSK and OOK RF receiver for robust frequency agile RF links, and where stable

and constant RF performance is required over the full operating range of the device down to 1.8V.

The RF65 is intended for applications over a wide frequency range, including the 433 MHz and 868 MHz European and

the 902-928 MHz North American ISM bands. Coupled with a very aggressive sensitivity, the advanced system features of

the RF65 include a 66 byte RX FIFO, configurable automatic packet handler, listen mode,

temperature sensor and

configurable DIOs which greatly enhance system flexibility whilst at the same time significantly reducing MCU

requirements.

The RF65 complies with both ETSI and FCC regulatory requirements and is available in a 5 x 5 mm QFN 28 lead

package

1.1. Simplified Block Diagram

VBAT1&2

VR_ANA

VR_DIG

Power Distribution System

Oscillator

LNA

Single to

Differential

Mixers

Σ/Δ

Modulators

RFIN

RESET

SPI

Tank

Inductor

Loop

Filter

Division by

2, 4 or 6

Frac-N PLL

Synthesizer

32 MHz

RSSI

AFC

GND

DIO0

DIO1

DIO2

DIO3

DIO4

DIO5

Frequency Synthesis

Receiver Blocks

XTAL

GND

Control Blocks

Primarily Analog

Primarily Digital

Figure 1. Block Diagram

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