TMP17 Analog Devices, TMP17 Datasheet
TMP17
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TMP17 Summary of contents
Page 1
... IC’s thin-film resistors allow the TMP17 to achieve absolute accuracy levels and nonlinearity errors previously unattainable at a comparable price. The TMP17 can be employed in applications from – +105 C where conventional temperature sensors (i.e., thermistor, RTD, thermocouple, diode) are currently being used. Expensive linearization circuitry, precision voltage references, bridge components, resistance measuring circuitry, and cold junction compensation are not required with the TMP17 ...
Page 2
... ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the TMP17 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. = 5.0 V, – ...
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... SOIC PACKAGE SOLDERED TO 0.5“ 0.3” Cu PCB 100 200 300 AIR VELOCITY – FPM TPC 3. Thermal Time Constant in Forced Air REV. A Typical Performance Characteristics–TMP17 500 450 MAX LIMIT 400 350 300 3 250 200 150 100 MIN LIMIT 50 75 ...
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... C and the error over temperature from – +105 C. These specifications correspond to the actual error the user would see if the current output of a TMP17 were converted to a voltage with a precision resistor. Note that the maximum error at room temperature or over an extended range, including the boiling point of water, can be read directly from the Specifications table ...
Page 5
... If greater accuracy is desired, initial calibration and scale factor errors can be removed by using the TMP17 in the circuit of Figure 5. 5k 97.6k + 8.66k REF43 OP196 7.87k + TMP17 – V– Figure 5. Two Temperature Trim Circuit With the transducer adjustment of R1 for output nulls the initial calibration error and shifts the output from ...
Page 6
... By using a differential input A/D converter and choosing the current to voltage conversion resistor correctly, any range of temperatures (up to the 145 C span the TMP17 is rated for) centered at any point can be measured using a minimal number of components. In this configuration, the system will resolve ...
Page 7
... R Multiple remote temperatures can be measured using several TMP17s with a CMOS multiplexer or a series logic gates because of the device’s current-mode output and supply-voltage compliance range. The on resistance of a FET switch or output impedance of a gate will not affect the accuracy, as long maintained across the transducer ...
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... TMP17 0.25 (0.0098) 0.10 (0.0040) COPLANARITY CONTROLLING DIMENSIONS ARE IN MILLIMETERS; INCH DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF MILLIMETER EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN Revision History Location 1/03—Data Sheet changed from REV REV. A. Deleted Obsolete TPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Updated OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 ...