ATA8201

Features Transparent RF Receiver ICs for 315 MHz (ATA8201) and 433.92 MHz (ATA8202) With High Receiving Sensitivity Fully Integrated PLL With Low Phase Noise VCO, PLL, and Loop Filter High FSK/ASK Sensitivity:–105 dBm (ATA8201, FSK, 9.6 Kbits/s, Manchester, BER 10-3) –114 dBm (ATA8201, ASK, 2.4 Kbits/s, Manchester, BER 10-3) –104 dBm (ATA8202, FSK, 9.6 Kbits/s, Manchester, BER 10-3) –113 dBm (ATA8202, ASK, 2.4 Kbits/s, Manchester, BER 10-3) Supply Current: 6.5 mA in Active Mode (3V, 25°C, ASK Mode) Data Rate: 1 Kbit/s to 10 Kbits/s Manchester ASK, 1 Kbit/s to 20 Kbits/s Manchester FSK With Four Programmable Bit Rate Ranges Switching Between Modulation Types ASK/FSK and Different Data Rates Possible in ≤ 1 ms Typically, Without Hardware Modification on Board to Allow Different Modulation Schemes Low Standby Current: 50 µA at 3V, 25°C ASK/FSK Receiver Uses a Low-IF Architecture With High Selectivity, Blocking, and Low Intermodulation (Typical 3-dB Blocking 68.0 dBC at ±3 MHz/74.0 dBC at ±20.0 MHz, System I1dBCP = –31 dBm/System IIP3 = –24 dBm) Telegram Pause Up to 52 ms 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 65 dB Low In-band Sensitivity Change of Typically ±2.0 dB W...