Datasheet KTY81 (NXP) - 10

NXP Semiconductors KTY81 series Silicon temperature sensors
mgg699 mgg700 3 5 R 150 °C R (kΩ) (kΩ) 4 125 °C 150 °C 100 °C 2 125 °C 75 °C 100 °C 3 75 °C 50 °C 50 °C 25 °C 2 25 °C 0 °C 1 0 °C −25 °C −25 °C −50 °C −50 °C 1 0 0 10−1 1 10 10−1 1 10 Isen(cont) (mA) Isen(cont) (mA) To keep the temperature error low, an operating current of Isen(cont) = 1 mA is recommended for temperatures above 100 °C a. KTY81/1 series b. KTY81/2 series
Fig 1. Sensor resistance as a function of operating current
mgg704 mgg703 20 30 ∆R ∆ (Ω) R (Ω) 20 10 10 0 0 −10 −10 0 1 2 0 1 2 Isen(cont) (mA) Isen(cont) (mA) Tamb = 25 °C Tamb = 25 °C a. KTY81/1 series b. KTY81/2 series
Fig 2. Deviation of sensor resistance as a function of operating current
KTY81_SER_5 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 05 — 25 April 2008 10 of 15
Document Outline 1. Product profile 1.1 General description 1.2 Features 1.3 Quick reference data 2. Pinning information 3. Ordering information 4. Marking 5. Limiting values 6. Characteristics 7. Package outline 8. Packing information 9. Revision history 10. Legal information 10.1 Data sheet status 10.2 Definitions 10.3 Disclaimers 10.4 Trademarks 11. Contact information 12. Contents