Datasheet > ATA8202_14

ATA8202_14

更新时间： 2022-02-26 13:20:07

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ATA8202_14 数据手册

ATA8201/ATA8202

UHF ASK/FSK Receiver

DATASHEET

Features

● Transparent RF receiver ICs for 315MHz (Atmel^®ATA8201) and 433.92MHz

(Atmel ATA8202) with high receiving sensitivity

● Fully integrated PLL with low phase noise VCO, PLL, and loop filter

● High FSK/ASK sensitivity:

● –105dBm (Atmel ATA8201, FSK, 9.6Kbits/s, Manchester, BER 10^-3

● –114dBm (Atmel ATA8201, ASK, 2.4Kbits/s, Manchester, BER 10^-3)

● –104dBm (Atmel ATA8202, FSK, 9.6Kbits/s, Manchester, BER 10^-3)

● –113dBm (Atmel ATA8202, ASK, 2.4Kbits/s, Manchester, BER 10^-3)

● Supply current: 6.5mA in Active Mode (3V, 25°C, ASK Mode)

● Data rate: 1Kbit/s to 10Kbits/s Manchester ASK, 1Kbit/s to 20Kbits/s Manchester

FSK with four programmable bit rate ranges

● Switching between modulation types ASK/FSK and different data rates possible in

≤ 1ms typically, without hardware modification on board to allow different

modulation schemes

● Low standby current: 50µA at 3V, 25°C

● ASK/FSK receiver uses a low-IF architecture with high selectivity, blocking, and low

intermodulation (typical 3-dB blocking 68.0dBC at ±3MHz/74.0dBC at ±20.0MHz,

system I1dBCP = –31dBm/system IIP3 = –24dBm)

● Telegram pause up to 52ms supported in ASK Mode

● Wide bandwidth AGC to handle large out-of-band blockers above the system

I1dBCP

● 440-kHz IF frequency with 30-dB image rejection and 420-kHz IF bandwidth to

support PLL transmitters with standard crystals or SAW-based transmitters

● RSSI (received signal strength indicator) with output signal dynamic range of 65dB

● Low in-band sensitivity change of typically ±2.0dB within ±160-kHz center

frequency change in the complete temperature and supply voltage range

● Sophisticated threshold control and quasi-peak detector circuit in the data slicer

● Fast and stable XTO start-up circuit (> –1.4 kΩ worst-case start impedance)

● Clock generation for microcontroller

● ESD protection at all pins (±4kV HBM, ±200V MM, ±500V FCDM)

4971G-INDCO-09/14

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