DS8500-JND+ Maxim Integrated Products, DS8500-JND+ Datasheet
DS8500-JND+
Specifications of DS8500-JND+
Related parts for DS8500-JND+
DS8500-JND+ Summary of contents
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... Standard Component 3.6864MHz Crystal ♦ Complies to HART Physical Layer Requirements ♦ 2.7V to 3.6V Operating Voltage ♦ 285µA (max) Current Consumption ♦ Space-Saving, 5mm x 5mm x 0.8mm, 20-Pin TQFN Package Applications PART DS8500-JND+ + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad XCEN DGND 9 8 ...
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HART Modem ABSOLUTE MAXIMUM RATINGS Voltage Range on All Pins (including AVDD, DVDD) Relative to Ground .................................-0.5V to +3.6V Voltage Range on Any Pin Relative to Ground Except AVDD, DVDD .............-0. Stresses beyond those listed under “Absolute Maximum ...
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... XTAL1 CRYSTAL OSCILLATOR XTAL2 XCEN OCD Rx DEMODULATOR D_OUT RTS Tx MODULATOR D_IN _______________________________________________________________________________________ FUNCTION . P-P . P-P RST DVDD DGND AGND AVDD V REF 1.23V CLOCK POWER GENERATOR MONITOR DIGITAL SAMPLE/HOLD FILTER ADC DAC DS8500 HART Modem Pin Description Block Diagram REF FSK_IN FSK_OUT 3 ...
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... R1 and R2 provides an input bias voltage of V the ADC input (R1 = R2). The output DAC provides a sine-wave signal, and C4 provides the AC-coupled signal output from the DS8500. The typical value of C4 can be anything greater than 20nF based on the application. For technical support ic.com/micro. ...
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... D_IN START FSK_OUT Figure 2. Actual DS8500 Modulator Waveform FSK_IN D_OUT Figure 3. Actual DS8500 Demodulator Waveform _______________________________________________________________________________________ 8-BIT DATA START 8-BIT DATA 1200bps/833μs ONE UART CHARACTER (START, 8 DATA BITS, PARITY, STOP) HART Modem STOP PARITY STOP PARITY 5 ...
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... For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 20 TQFN 6 _______________________________________________________________________________________ RST DVDD DGND AGND AVDD V REF CLOCK POWER 1.23V GENERATOR MONITOR DIGITAL SAMPLE/HOLD FILTER ADC DS8500 DAC PACKAGE CODE T2055+3 POWER SUPPLY 2.7V TO 3.6V REF FSK_IN HART HART AND 4–20mA FSK_OUT OUT 4–20mA ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 7 © 2009 Maxim Integrated Products ...