Features and Benefits
- −55°C to +125°C (−67°F to +257°F) operation
- ±1.0°C accuracy over temperature (typ)
- Temperature-proportional voltage output
- User-programmable temperature trip points
- User-programmable hysteresis
- 20 mA open-collector trip point outputs
- TTL/CMOS compatible
- \Single-supply operation (4.5 V to 13.2 V)
- PDIP, SOIC, and TO-99 packages
Product DetailsThe TMP01 is a temperature sensor that generates a voltage output proportional to absolute temperature and a control signal from one of two outputs when the device is either above or below a specific temperature range. Both the high/low temperature trip points and hysteresis (overshoot) band are determined by user-selected external resistors. For high volume production, these resistors are available on board.
The TMP01 consists of a band gap voltage reference combined with a pair of matched comparators. The reference provides both a constant 2.5 V output and a voltage proportional to absolute temperature (VPTAT) which has a precise temperature coefficient of 5 mV/K and is 1.49 V (nominal) at 25°C. The comparators compare VPTAT with the externally set tempera-ture trip points and generate an open-collector output signal when one of their respective thresholds has been exceeded.
Hysteresis is also programmed by the external resistor chain and is determined by the total current drawn out of the 2.5 V reference. This current is mirrored and used to generate a hysteresis offset voltage of the appropriate polarity after a comparator has been tripped. The comparators are connected in parallel, which guarantees that there is no hysteresis overlap and eliminates erratic transitions between adjacent trip zones.
The TMP01 utilizes proprietary thin-film resistors in conjunc-tion with production laser trimming to maintain a temperature accuracy of ±1°C (typical) over the rated temperature range, with excellent linearity. The open-collector outputs are capable of sinking 20 mA, enabling the TMP01 to drive control relays directly. Operating from a 5 V supply, quiescent current is only 500 μA (max).
The TMP01 is available in 8-pin mini PDIP, SOIC, and TO-99 packages.
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
Celsius-to-digital thermometer works with remote sensor4/15/2004
Temperature monitor measures three thermal zones12/11/2003
Dual Set-Point Single-Chip Temperature Controller3/1/1994 Analog Dialogue
Sensors and How to Use Them2/29/2016
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|TMP01ESZ||Material Declaration||Reliability Data||8-Lead SOIC|
|TMP01ESZ-REEL||Material Declaration||Reliability Data||8-Lead SOIC|
|TMP01FPZ||Material Declaration||Reliability Data||8-Lead PDIP|
|TMP01FSZ||Material Declaration||Reliability Data||8-Lead SOIC|
|TMP01FSZ-REEL||Material Declaration||Reliability Data||8-Lead SOIC|
|TMP01FSZ-REEL7||Material Declaration||Reliability Data||8-Lead SOIC|
|Wafer Fabrication Data|
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