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DM1800-434MB Scheda tecnica(PDF) 1 Page - RF Monolithics, Inc |
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DM1800-434MB Scheda tecnica(HTML) 1 Page - RF Monolithics, Inc |
1 / 4 page 1 ® DM1800- 434MB Rating Value Units All Input/Output Pins Except VIN -0.3 to +3.3 V Non-Operating Ambient Temperature Range -50 to +100 oC Absolute Maximum Ratings Preliminary Electrical Characteristics Characteristic Sym Notes Minimum Typical Maximum Units Operating Frequency fO 433.72 434.12 MHz Modulation Type OOK RF Encoded Data Transmission Rate 4.8 kb/s Average Receiver Input Current, No External Power Supply Load IR 4mA Receiver Input Signal for 10-3 BER, 25 °C -103 dBm Peak Transmitter Input Current, No External Power Supply Load ITP 13.5 mA Peak Transmitter Output Power PO 1mW Analog Input Measurement Range (10-bit ADC) 0 VOUT V Source Impedance to Analog Input 10 K Digital In Logic High 2.4 V Digital In Logic Low .45 V Digital Out Logic High, No Load 2.4 V Digital In Logic Low, No Load 0.3 V Digital Output Source Current, 1K load 1.1 mA Digital Output Sink Current, 1K load 1.2 mA Serial Port Data Rate 9.6 kb/s Power Supply Input Voltage Range, -40 to +85 oC VIN 3.1 14 V Power Supply Input Voltage Range, 0 to +85 oC VIN 2.6 14 V Regulated Power Supply Output Voltage, VIN 3.1 to 14 V VOUT 3.0 Vdc Regulated Power Supply Voltage Ripple 10 mVP-P 433.92 MHz Transceiver Module The DM1800-434MB is the 433.92 MHz base station module in the DM1800 family of RF transceiv- ers. The DM1800 family is designed for adding embedded wireless connectivity to a wide range of monitoring and control systems. The DM1800-434MB is equipped with a serial I/O port to interface to a host microcontroller. The module also includes an analog input, a logic input, and a logic output for local monitoring and control. Radio communications range in an “open field” environment is typi- cally 200 meters/hop. The DM1800-434MB combines RFM’s very low current ASH radio technology with low power microcontroller technology to achieve long battery life. This module is compatible with RFM’s miniMESHTM network protocol, which provides add-on “plug- and-play” multicast mesh network routing. The DM1800-434MB is designed for operation under ETSI I-ETS 300 220 regula- tions. • Base Station with Host Serial Interface • Compatible with RFM miniMESHTM Network Protocol • 3 V, Very Low Current Operation • Ready-to-Use OEM Module |
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