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ATA5824

ATMEL Corporation
Part Number ATA5824
Manufacturer ATMEL Corporation
Description (ATA5823 / ATA5824) UHF ASK/FSK Transceiver
Published Dec 5, 2006
Detailed Description www.DataSheet4U.com Features • Full-duplex Operation Mode without Duplex Frequency Offset to Prevent the Relay • • • • ...
Datasheet PDF File ATA5824 PDF File

ATA5824
ATA5824

Overview
www.
DataSheet4U.
com Features • Full-duplex Operation Mode without Duplex Frequency Offset to Prevent the Relay • • • • • Attack against Passive Entry Go (PEG) Systems High FSK Sensitivity: –105.
5 dBm at 20 kBaud/–109 dBm at 2.
4 kBaud (433.
92 MHz) High ASK Sensitivity: –111.
5 dBm at 10 kBaud/–116 dBm at 2.
4 kBaud (100% ASK, Carrier Level 433.
92 MHz) Low Supply Current: 10.
5 mA in RX and TX Mode (3V/TX with 5 dBm/433.
92 MHz) Data Rate 1 to 20 kBaud Manchester FSK, 1 to 10 kBaud Manchester ASK ASK/FSK Receiver Uses a Low IF Architecture with High Selectivity, Blocking and Low Intermodulation (Typical 3 dB Blocking 55.
5 dBC at ±750 kHz/60.
5 dBC at ±1.
5 MHz and 67 dBC at ±10 MHz, System I1dBCP = –30 dBm/System IIP3 = –20 dBm) Wide Bandwidth AGC to Handle Large Outband Blockers above the System I1dBCP 226 kHz IF (Intermediate Frequency) with 30 dB Image Rejection and 220 kHz System Bandwidth to Support TPM Transmitters using ATA5756/ATA5757 Transmitters with Standard Crystals Transmitter Uses Closed Loop FSK Modulation with Fractional-N Synthesizer with High PLL Bandwidth and an Excellent Isolation between PLL and PA Tolerances of XTAL Compensated by Fractional-N Synthesizer with 800 Hz RF Resolution Integrated RX/TX-Switch, Single-ended RF Input and Output RSSI (Received Signal Strength Indicator) Communication to Microcontroller with SPI Interface Working at 500 kBit/s Maximum Configurable Self Polling and RX/TX Protocol Handling with FIFO-RAM Buffering of Received and Transmitted Data 1 Push Button Input and 1 Wake-up Input are Active in Power-down Mode Integrated XTAL Capacitors PA Efficiency: up to 38% (433.
92 MHz/10 dBm/3V) Low In-band Sensitivity Change of Typically ±2.
0 dB within ±75 kHz Center Frequency Change in the Complete Temperature and Supply Voltage Range Fully Integrated PLL with Low Phase Noise VCO, PLL Loop Filter and full support of multi-channel operation with arbitrary Channel distance due to Fractional-N Synthesizer Sophisticated Threshold Control ...


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