DNT90 - 900 MHz Frequency Hopping Spread Spectrum Transceiver - Point-to-point, Point-to-multipoint, Peer-to-peer and Store & Forward Capabilities - Transmitter Power Configurable to 40 or 158 mW - 100 kbps RF Data Rate Low Cost - Serial Port Data Rate up to 250 kbps, SPI Port Data Rate up to 500 kbps 900 MHz FHSS - 128-Bit AES Encryption - Separate Serial Port for Diagnostics Transceiver - Analog and Digital I/O for Sensor Applications Module with - FCC and Canadian IC Certified for Unlicensed Operation I/O The DNT90 FHSS transceiver module provides a low-cost, versatile solution for wireless data com- munications in the 900 MHz ISM band. The DNT90 RF output power can be set at 40 or 158 mW. The DNT90 receiver input is protected by low-loss SAW filter, providing an excellent combination of receiver sensitivity and out-of-band interference rejection. The DNT90 module includes analog, digi- tal and serial I/O, providing the flexibility to serve applications ranging from cable replacements to sensor networks. The DNT90 transceiver module is easy to integrate and provides reliable wireless communications up to 5 miles in line-of-sight installations. DNT90 Absolute Maximum Ratings Rating Value Units Power Supply Input -0.5 to +6.5 V All Input/Output Pins -0.5 to +3.3 V Input Power to RFIO Port 0 dBm o Non-Operating Ambient Temperature Range -40 to +85 C DNT90 Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units Operating Frequency Range 902.76 927.24 MHz Hop Duration 1 8 100 ms Number of RF Channels 1 25, 26 or 52 Modulation FSK RF Data Transmission Rate 100 kbps -5 BER -100 dBm Receiver Sensitivity 10 Transmitter RF Output Power 1 40 or 158 mW mW Optimum Antenna Impedance 50 RF Connection U.FL Coaxial Connector Point-to-Point, Point-to-Multipoint, System Topologies Peer-to-Peer and Store & Forward Access Scheme Ad Hoc TDMA Copyright Murata Manufacturing Co., Ltd. All Rights Reserved 2010 1 of 7 2010-2014 by Murata Electronics N.A., Inc. DNT90 (R) 10/22/14 www.murata.comDNT90 Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units ADC Input Range 0 2.7 V ADC Input Resolution 12 bits ADC Sample Rate 100 Hz Signal Source Impedance for ADC Reading 10 K ADC External Reference Voltage Range 1.0 2.7 V DAC Output Range 0 3.3 V DAC Output Resolution 12 bits 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8, Primary and Diagnostic Serial Port Baud Rates kbps 38.4, 57.6, 115.2, 230.4, 250.0 Serial Peripheral Interface Data Rate 125 500 kbps Digital I/O: Logic Low Input Level -0.5 0.8 V Logic High Input Level 2.45 3.3 V Logic Input Internal Pull-up Resistor 20 K Power Supply Voltage Range V +3.3 +5.5 Vdc CC Power Supply Voltage Ripple 10 mV P-P Peak Transmit Mode Current, 158 mW Output 170 mA Average Operating Receive Current: Base, Continuous Data Stream 110 mA Remote, Linked, No Data Transmission 15 mA Remote, Continuous Data Stream 25 mA Sleep Current 2 3 6 A DNT90C Mounting Reflow Soldering DNT90P Mounting Socket o Operating Temperature Range -40 85 C Operating Relative Humidity Range, Non-condensing 10 90 % Notes: 1. The DNT90 achieves regulatory certification under FHSS rules. o 2. Maximum sleep current occurs at +85 C. CAUTION: Electrostatic Sensitive Device. Observe precautions when handling. Copyright Murata Manufacturing Co., Ltd. All Rights Reserved 2010 2 of 7 2010-2014 by Murata Electronics N.A., Inc. DNT90 (R) 10/22/14 www.murata.com