ATA8201 Datasheet, PDF (1/44 Pages) ATMEL Corporation – UHF ASK/FSK Receiver

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 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 (±4 kV HBM, ±200V MM, ±500V FCDM)
• Dual Supply Voltage Range: 2.7V to 3.3V or 4.5V to 5.5V
• Temperature Range: –40°C to +85°C
• Small 5 mm × 5 mm QFN24 Package
UHF ASK/FSK
Receiver
ATA8201
ATA8202
Applications
• Industrial/Aftermarket Keyless Entry and Tire Pressure Monitoring Systems
• Alarm, Telemetering and Energy Metering Systems
• Remote Conrol Systems for Consumer and Industrial Markets
• Access Control Systems
• Home Automation
• Home Entertainment
• Toys
4971A–IND–01/07