PIC16F690DM-PCTLHS Microchip Technology, PIC16F690DM-PCTLHS Datasheet
PIC16F690DM-PCTLHS
Specifications of PIC16F690DM-PCTLHS
Related parts for PIC16F690DM-PCTLHS
PIC16F690DM-PCTLHS Summary of contents
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... The measurements for this application note were made on the Humidity Sensor PICtail™ Demo Board, which is discussed in the user’s guide (DS51594) [15]. This board is further described by: • Order Number: PIC16F690DM-PCTLHS • Assembly Number: 102-00084R1 © 2005 Microchip Technology Inc. PIC16F690 Devices ...
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... INT . SEN will have a constant positive SEN INT DD V – V INT CM = ---------------------------- - R INT I INT = ------------ - , I is constant INT C SEN V – V INT CM = ---------------------------- - , V is constant INT R C INT SEN is set to one of two levels: REF, (0.125V ), and (0.500V ). V was © 2005 Microchip Technology Inc. 1 ...
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... INT GBWP Where amp’s Gain Bandwidth Product GBWP To maintain accuracy, the op amp feedback loop needs sufficient loop-gain. This translates to the following requirement SEN © 2005 Microchip Technology Inc. EQUATION 4: goes SEN Where GBWP = LG For instance, given a 0.5% accuracy requirement, and ...
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... Humidity Sensor project 80 90 100 These files can be downloaded from the Microchip web site (www.microchip.com); and are contained in the 00084R1.zip file. = +25°C. A SEN to a known point before SEN when starting then to RH. SEN © 2005 Microchip Technology Inc. ...
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... V ), using the internal RL RH ADC, or calibrate the entire circuit’s errors (including temperature drift). © 2005 Microchip Technology Inc. Capacitance Module Table 2 shows the algorithm for the capacitance module, and includes the PICmicro microcontroller’s SEN pin states. The pin assignments on the Humidity Sensor PICtail™ ...
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... They can be quite accurate with proper calibration, and they can be either simple or complicated. DD_DIG INT INT INT C V SEN SEN 100 nF R CM1 MCP6291 R CM2 100 nF Op Amp Integrator Circuit is the sensor’s case-to-ground para- should be placed chosen to minimize the effort to . SEN © 2005 Microchip Technology Inc. ...
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... Oscillator frequency Note that when we subtract V RL comparator’s offset voltage is cancelled (because it is constant). © 2005 Microchip Technology Inc. The op amp’s gain-bandwidth product can have a significant effect on the errors for small C see Equation 4. The smaller C error is. Errors in Calculating C The parasitic capacitance C about 0 ...
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... N/A 0.5 pF 1.6% ±0.1 pF ±0.3% 0.25% 1.5% ±0.05 pF ±0.3% — ±3% — ±1% — ±0.01% 2 (“Error in k” ’s contribution to the B_OA – has a nominal RH RL © 2005 Microchip Technology Inc. ...
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... The measurements were made on the Humidity Sensor PICtail™ Demo Board, which is discussed in the user’s guide (DS51594) [15]. This board is further described by: • Order Number: PIC16F690DM-PCTLHS • Assembly Number: 102-00084R1 FIGURE 7: V and V INT ...
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... I ratiometric, INT INT is ratiometric SEN and and V ) need and V need RH RL range is more accurate than the REF range is V – 1.5V, CMR DD /2) when DD when DD = 0.125V RL in the lower CV range. REF DD ) and to the board. REF © 2005 Microchip Technology Inc. DD ...
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... Series Microcontrollers”, John Day and Steven Bible; Microchip Technology Inc., 2004. [12] MCP6291/2/3/4/5 Data Sheet, “1.0 mA, 10 MHz give detailed Rail-to-Rail Op Amp,” Microchip Technology Inc., DS21812, 2004. [13] PIC16F685/687/689/690 Data Sheet, “20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology”, Microchip Technology Inc., DS41262, 2005. [14] PIC16C745/765 Data Sheet, “ ...
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... Microchip Technology Inc. ...
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... PowerMate, PowerTool, Real ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and Zena are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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