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TH72015KLD-BAA-000-TU Datasheet(PDF) 1 Page - Melexis Microelectronic Systems |
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TH72015KLD-BAA-000-TU Datasheet(HTML) 1 Page - Melexis Microelectronic Systems |
1 / 20 page TH72015 433MHz FSK/ASK Transmitter 3901072015 Page 1 of 20 Data Sheet Rev. 011 Jun/12 Features Fully integrated PLL-stabilized VCO Frequency range from 380 MHz to 450 MHz Single-ended RF output FSK through crystal pulling allows modulation from DC to 40 kbit/s High FSK deviation possible for wideband data transmission ASK achieved by on/off keying of internal power amplifier up to 40 kbit/s Wide power supply range from 1.95 V to 5.5 V Very low standby current On-chip low voltage detector High over-all frequency accuracy FSK deviation and center frequency independently adjustable Adjustable output power range from -12 dBm to +10 dBm Adjustable current consumption from 3.4 mA to 10.6 mA Conforms to EN 300 220 and similar standards 10-pin quad flat no lead (QFN) package Ordering Code Product Code Temperature Code Package Code Option Code Packing Form Code TH72015 K LD BAA-000 RE TH72015 K LD BAA-000 TU Legend: Temperature Code: K for Temperature Range -40°C to 125°C Package Code: LD for DFN Packing Form: RE for Reel, TU for Tube Ordering example: TH72015KLD-BAA-000-RE Application Examples Tire Pressure Monitoring System (TPMS) Remote Keyless Entry (RKE) Automatic Meter Reading (AMR) Alarm and security systems Garage door openers Home and building automation Low-power telemetry Wireless access control Pin Description top view O UT VEE VCC V EE PSEL ENTX FSKDTA FSKSW ROI ASKDTA General Description The TH72015 FSK/ASK transmitter IC is designed for applications in the European 433 MHz industrial- scientific-medical (ISM) band, according to the EN 300 220 telecommunications standard; but it can also be used in any other country with similar frequency bands. The transmitter's carrier frequency fc is determined by the frequency of the reference crystal fref. The integrated PLL synthesizer ensures that each RF value, ranging from 380 MHz to 450 MHz, can be achieved by using a crystal with a reference frequency according to: fref = fc/N, where N = 32 is the PLL feedback divider ratio. |
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