Microchip Technology Humidity Sensor PICtail, Руководство пользователя

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Humidity Sensor PICtail™ Demo Board User’s Guide
DS51594A-page 26
©
2005 Microchip Technology Inc.
B.2 BOM FOR HUMIDITY SENSOR AND OTHER CAPACITORS IN BOX
Table B-2 lists capacitors included separately in the Humidity Sensor PICtail™ Demo
Board’s shipping box. These capacitors or the HS1101LF sensor will fit in the Csen pin
recepticles. The capacitors provide a means for quickly evaluating circuit operation.
TABLE B-2: BILL OF MATERIALS FOR HUMIDITY SENSOR AND OTHER CAPACITORS
B.3 BOM FOR “REDUCED CURRENT” MODIFICATIONS
Table B-3 shows the components for the “Reduced Current” circuit modifications
discussed in application note AN1016 and
Chapter 4. “Modified Circuit” .
TABLE B-3: BILL OF MATERIALS FOR “REDUCED CURRENT” MODIFICATIONS
Qty Reference Description Manufacturer Part Number
1 C
SEN
Relative Humidity Sensor, Capacitive Cell, 180 pF, 5V,
1% to 99% RH, -40°C to +140°C Humirel HS1101LF
1 C
SEN
Ceramic Capacitor, Monolithic, 100 pF, 50V, 5%, C0G, Radial 0.2" EPCOS Inc. B37979N5101J000
1 C
SEN
Ceramic Capacitor, Monolithic, 1.0 nF, 50V, 5%, C0G, Radial 0.2" EPCOS Inc. B37979G5102J000
1 C
SEN
Ceramic Capacitor, Monolithic, 100 nF, 50V, 10%, X7R, Radial 0.2" EPCOS Inc. B37987F5104K000
Qty Reference Description Manufacturer Part Number
2 RA2, RA3 Chip Resistor, 20.0 k
Ω
, 1/8W, 1%, 0805 SMD Yageo America RC0805FR-0720KL
1 RA1 Chip Resistor, 1.00 M
Ω
, 1/8W, 1%, 0805 SMD Yageo America RC0805FR-071ML