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LMT70A Datasheet(PDF) 5 Page - Texas Instruments |
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LMT70A Datasheet(HTML) 5 Page - Texas Instruments |
5 / 29 page LMT70, LMT70A www.ti.com SNIS187A – MARCH 2015 – REVISED JULY 2015 8.5 Electrical Characteristics Limits apply for TA = TJ = TMIN to TMAX and VDD of 2.00V to 5.5V and VDD ≥ VTAO + 1V, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TEMPERATURE ACCURACY TA = –55°C VDD = 2.7 V -0.33 0.33 TA = –40°C VDD = 2.7 V –0.27 0.27 TAO accuracy TA = –20°C VDD = 2.7 V –0.2 0.2 (These stated accuracy limits TA = –10°C VDD = 2.7 V –0.18 0.18 are with reference to the values in Electrical Characteristics TA = 20°C to 42°C VDD = 2.7 V –0.13 ±0.05 0.13 °C Temperature Lookup Table TA = 50°C VDD = 2.7 V -0.15 0.15 (LUT), LMT70 temperature-to- TA = 90°C VDD = 2.7 V –0.20 0.20 voltage.)(1) TA = 110°C VDD = 2.7 V –0.23 0.23 TA = 150°C VDD = 2.7 V –0.36 0.36 Accuracy temperature VDD = 2.7V -2.6 +2.6 m°C/°C ATC coefficient (note, uses end point calculations)(2) –55°C ≤ TA ≤ 10°C VDD = VTAO + 1.1 V –9 –2 8 to 4.0 V VDD = 2.0 V to 4.0 Accuracy power supply 10°C ≤ TA ≤ 120°C V APSS sensitivity (note uses end point m°C /V calculations) 120°C ≤ TA ≤ VDD = 2.0 V to 4.0 –15 8 150°C V VDD = 4 V to 5.5 V –30 –12 0 VTAO Output Voltage TA = 30°C VDD = 2.7 V 943.227 mV Sensor gain –5.194 mV/°C TA approximately VDD = 2.0 V to 3.6 V 0.1 °C Matching of two adjacent parts 30°C in tape and reel for TA = 30°C to 2.5 m°C /°C LMT70AYFQR, LMT70AYFQT 150°C only (see curve Figure 19 for specification at other TA = 20°C to 30°C VDD = 2.0 V to 3.6 V -2.5 temperatures)(3)(2) TA = -55°C to 30°C VDD = 2.7 V to 3.6 V –2.5 Time stability(4) 10k hours at 90°C –0.1 ±0.01 0.1 °C ANALOG OUTPUT Operating output voltage 0 µA ≤IL≤5 µA 0 0.4 mV change with load current -5 µA ≤IL≤0 µA -0.4 0 mV ROUT Output Resistance 28 80 Ω TAO Off Leakage Current VTAO ≤ VDD – 0.6v, VT_ON=GND 0.005 0.5 µA VTAO ≥ 0.2V, VT_ON = GND -0.5 -0.005 Output Load Capacitance 1100 pF (1) Accuracy is defined as the error between the measured and reference output voltages, tabulated in the Conversion Table at the specified conditions of supply voltage and temperature (expressed in °C). These stated accuracy limits are with reference to the values in Electrical Characteristics Temperature Lookup Table (LUT), see Accuracy Curve for other temperatures. Accuracy limits do not include load regulation or aging; they assume no DC load. (2) The accuracy temperature coefficient specification is given to indicate part to part performance and does not correlate to the limits given in the curve Figure 3. (3) In order to meet the matching specification of the LMT70A, two units must be picked from adjacent positions from one tape and reel. If PCB rework is required, involving the LMT70A, then the pair of the LMT70A matched units must be replaced. Matching features (which include, without limitation, electrical matching characteristics of adjacent Components as they are delivered in original packaging from TI) are warranted solely to the extent that the purchaser can demonstrate to TI’s satisfaction that the particular Component(s) at issue were adjacent in original packaging as delivered by TI. Customers should be advised that the small size of these Components means they are not individually traceable at the unit level and it may be difficult to establish the original position of the Components once they have been removed from that original packaging as delivered by TI. (4) Determined using accelerated operational life testing at 150°C junction temperature; not tested during production. Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LMT70 LMT70A |
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