OT-STM434AB

Holy Stone Enterprise Co., Ltd OT-STM315/434AB DESCRIPTION STM is a low coast A.S.K. SAW transmitter module. It makes RF remote techniques easily, just input the d a t a c o de a nd o u t p ut with a h i g h s t ab il ity RF signal. FEATURES SAW chip on board technology Low power consumption Operation temperature range : ﹣20℃～＋70℃ Wide range of operation voltage : 1.5～15 Volts. Easy for application RF output -10~+16dBm at 3V DC operation voltage Available frequency at follows : 433.92 / 315 MHz PIN ASSIGNMENT APPLICATIONS Car security system Garage door controller Home security Wireless mouse Automation system BLOCK DIAGRAM １ Absolute Maximum Ratings Parameter Supply Voltage Data Input Voltage Operating Temperature Storage Temperature Rating ﹣0.3 to 15 ﹣0.3 to VDD+0.3 ﹣20 to 70 ﹣40 to 150 Units V DC V DC ℃ ℃ Parameter Frequency Range Fix by SAW Frequency Accuracy A Frequency Accuracy B Frequency Accuracy AB Output Power Current Consumption Modulation Specification Min. Typical 315 433.92 ±75 ±250 ±150 0 3 3 17 0 1 5 4 20 1 3 8 5 25 2 Unit Max. MHz Condition kHz kHz kHz dBm dBm mA mA kHz At 3 Volt. Power 50Ω Load At 12Volt. Power 50Ω Load At 3 Volt. Power Data Input = VDD At 12Volt. Power Data Input = VDD On-Off Key (OOK) Frequency PIN NO. Function Description Inter Connection 1 RF Output OSC Unbuffered Output 2 GND Ground Connection 3 Data Input On-Off Key Logic Data Input ２ 4 VCC DC Positive Power Supply PACKAGE DIMENSION DIMENSIONS (UNIT : mm) FREQUENCY STM SIZE A 303～315 MHz 340～434 MHz L S 7.60 6.80 B 11.0 10.0 C 1.70 1.70 D 3.0 3.0 ３