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TH72005KLD Datasheet(PDF) 7 Page - Melexis Microelectronic Systems |
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TH72005KLD Datasheet(HTML) 7 Page - Melexis Microelectronic Systems |
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7 / 20 page  TH72005 315MHz FSK/ASK Transmitter 39010 72005 Page 7 of 20 Data Sheet Rev. 008 June/07 3 Pin Definition and Description Pin No. Name I/O Type Functional Schematic Description 1 ASKDTA input 1.5k Ω 1 0: ENTX=1 1: ENTX=0 ASKDTA ASK data input, CMOS compatible with op- eration mode dependent pull-up circuit TX standby: no pull-up TX active: pull up 2 FSKDTA input 1.5k Ω 2 0: ENTX=1 1: ENTX=0 FSKDTA FSK data input, CMOS compatible with op- eration mode dependent pull-up circuit TX standby: no pull-up TX active: pull up 3 FSKSW analog I/O FSKSW 3 XOSC FSK pulling pin, MOS switch 4 ROI analog I/O ROI 4 36p 36p 25k XOSC connection to XTAL, Colpitts type crystal oscilla- tor 5 ENTX input ENTX 5 1.5k Ω mode control input, CMOS-compatible with in- ternal pull-down circuit 6 PSEL analog I/O PSEL 6 1.5k Ω 8µA power select input, high impedance comparator logic TX standby: IPSEL = 0 TX active: IPSEL = 8µA 7 VEE ground negative power supply 8 OUT output OUT 8 VEE VEE VCC power amplifier output, open collector 9 VEE ground negative power supply 10 VCC supply positive power supply |
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