ATA5783 datasheet(1/20 Pages) ATMEL

Part #	ATA5783

Description	AVR microcontroller core with 1Kbyte SRAM and 24Kbyte RF library in firmware (ROM)

PDF	20 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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9286BS–RKE–06/13

This is a summary document.

The complete document is

available under NDA. For more

information, please contact

your local Atmel sales office.

Features

● AVR microcontroller core with 1Kbyte SRAM and 24Kbyte RF library in firmware

(ROM)

● Atmel® ATA5781: 20Kbyte of user Flash

● Atmel ATA5782: 20Kbyte of user ROM

● Atmel ATA5783: No user memory — RF library in firmware only

● Supported frequency ranges

● Low-Band 310MHz to 318MHz, 418MHz to 477MHz

● High-Band 836MHz to 956MHz

● 315.00MHz/433.92MHz/868.30MHz and 915.00MHz with one 24.305MHz crystal

● Low current consumption

● 9.8mA for RXMode (Low-Band), 1.2mA for 21ms cycle three-channel polling

● Typical OFFMode current of 5nA (maximum 600nA at Vs = 3.6V and T = 85°C)

● Supports the 0dBm class of ARIB STD-T96

● Input 1dB compression point

● –48dBm (full sensitivity level)

● –20dBm (active antenna damping)

● Programmable channel frequency with fractional-N PLL

● 93Hz resolution for Low-Band

● 185Hz resolution for High-Band

● FSK deviation ±0.375kHz to ±93kHz

● FSK sensitivity (Manchester coded) at 433.92MHz

● –108.5dBm at 20Kbit/s

f = ± 20kHz

BWIF = 165kHz

● –111dBm at 10Kbit/s

f = ± 10kHz

BWIF = 165kHz

● –114dBm at 5Kbit/s

f = ± 5kHz

BWIF = 165kHz

● –122.5dBm at 0.75Kbit/s

f = ± 0.75kHz

BWIF = 25kHz

● ASK sensitivity (Manchester coded) at 433.92MHz

● –110.5dBm at 20Kbit/s

BWIF = 80kHz

● –125dBm at 0.5Kbit/s

BWIF = 25kHz

●

Programmable Rx-IF bandwidth 25kHz to 366kHz (approximately 10% steps)

●

Blocking (BWIF = 165kHz): 64dBc at frequency offset = 1MHz and 48dBc at 225kHz

●

High image rejection: 55dB at 315MHz/433.92MHz and 47dB at 868.3MHz/915MHz

without calibration

Atmel ATA5781/ATA5782/ATA5783

UHF ASK/FSK Receiver

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