Features

  • AVR Microcontroller Core with 1-Kbyte SRAM and 24 Kbyte RF Library in Firmware (ROM)
  • Supported Frequency Ranges
    • Low-band
      • 310 MHz to 318 MHz
      • 418 MHz to 477 MHz
    • 315.00 MHz/433.92 MHz with one 24.305 MHz crystal
  • Low Current Consumption
    • 9.8 mA for the RXMode (low-band)
    • 1.2 mA for 21 ms cycle 3-channel polling
  • Typical OFFMode Current of 5 nA (Maximum 600 nA at Vs = 3.6V and T = 85°C)
  • Input 1-dB Compression Point
    • -45 dBm (full sensitivity level)
  • Programmable Channel Frequency with Fractional-N PLL
    • 93 Hz resolution for low-band
  • FSK Deviation ±0.375 kHz to ±93 kHz
  • FSK Sensitivity (Manchester-Coded) at 433.92 MHz
    • -108.5 dBm at 20 Kbit/s Δf = ± 20 kHz BWIF = 165 kHz
    • -111 dBm at 10 Kbit/s Δf = ± 10 kHz BWIF = 165 kHz
    • -114 dBm at 5 Kbit/s Δf = ± 5 kHz BWIF = 165 kHz
    • -122.5 dBm at 0.75 Kbit/s Δf = ± 0.75 kHz BWIF = 25 kHz
  • ASK Sensitivity (Manchester-Coded) at 433.92 MHz
    • -110.5 dBm at 20 Kbit/s BWIF = 80 kHz
    • -125 dBm at 0.5 Kbit/s BWIF = 25 kHz
  • Programmable RX-IF Bandwidth 25 kHz to 366 kHz (Approximately 10% Steps)
  • Blocking (BWIF = 165 kHz): 64 dBc at Frequency Offset = 1 MHz and 48 dBc at 225 kHz
  • High Image Rejection: 55 dB at 315 MHz/433.92 MHz Without Calibration
  • Supported Data Rate in the Buffered Mode 0.5 Kbit/s to 80 Kbit/s (120 Kbit/s Non-Return-to-Zero (NRZ))
  • Supports Pattern-Based Wake-Up and Start of Frame Identification
  • Flexible Service Configuration Concept with On-the-Fly (OTF) Modification (in IDLEMode) of SRAM Service Parameters (Data Rate, and So On)
    • Two service configurations are located in SRAM and can be modified via SPI
  • Digital Received Signal Strength Indicator (RSSI) with Very High Relative Accuracy of ±1 dB
  • Programmable Clock Output Derived from Crystal Frequency
  • SPI for Receive (RX) Data Access and Receiver Configuration
  • 500-Kbit SPI Data Rate for Short Periods on SPI Bus and Host Controller
  • Configurable EVENT Signal Indicates the Status of the IC to an External Microcontroller
  • Automatic Low-Power Channel Polling with Flexible Configuration Concerning Timing, Order and Participating Channels
  • Fast Reaction Time
  • Supports Mixed ASK/FSK Telegrams
  • Non-Byte Aligned Data Reception
  • Supply Voltage Ranges 1.9V to 5.5V
  • Temperature Range -40°C to +105°C
  • Electrostatic Discharge (ESD) Protection at All Pins (±4 kV HBM, ±200V MM, ±750V FCDM)
  • Small 5 mm × 5 mm QFN32 Package/Pitch 0.5 mm
  • Package and Pin-to-Pin Compatibility with ATA5780N and ATA5781/2/3
  • Backward RF Matching Compatibility with ATA5780N and ATA5781/2/3 (RF Redesign Not Needed)
  • Suitable for Applications Governed by EN 300 220 and FCC Part 15, Title 47