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LMT87LPM Datasheet(PDF) 6 Page - Texas Instruments

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Part # LMT87LPM
Description  SC70/TO-92,Analog Temperature Sensors with Class-AB Output
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LMT87LPM Datasheet(HTML) 6 Page - Texas Instruments

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LMT87, LMT87-Q1
SNIS170C – JAN 2014 – REVISED OCTOBER 2015
www.ti.com
7.5 Thermal Information
LMT87
LMT87
LMT87-Q1
THERMAL METRIC(1)
UNIT
DCK
LP
5 PINS
3 PINS
RθJA
Junction-to-ambient thermal resistance(2)(3)
275
167
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
84
90
°C/W
RθJB
Junction-to-board thermal resistance
56
146
°C/W
ψJT
Junction-to-top characterization parameter
1.2
35
°C/W
ψJB
Junction-to-board characterization parameter
55
146
°C/W
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report (SPRA953).
(2)
The junction-to-ambient thermal resistance (R θJA) under natural convection is obtained in a simulation on a JEDEC-standard, High K
board as specified in JESD51-7, in an environment described in JESD51-2.
(3)
Changes in output due to self heating can be computed by multiplying the internal dissipation by the thermal resistance.
7.6 Accuracy Characteristics
These limits do not include DC load regulation. These stated accuracy limits are with reference to the values in Table 1.
PARAMETER
CONDITIONS
MIN(1)
TYP
MAX(1)
UNIT
70°C to 150°C; VDD = 3.0 V to 5.5 V
-2.7
±0.4
2.7
°C
20°C to 40°C; VDD = 2.7 V to 5.5 V
±0.6
°C
20°C to 40°C; VDD = 3.4 V to 5.5 V
±0.3
°C
Temperature accuracy(2)
0°C; VDD = 3.0 V to 5.5 V
-2.7
±0.6
2.7
°C
0°C; VDD = 3.6 V to 5.5 V
±0.3
°C
–50°C; VDD = 3.6 V to 5.5 V
-2.7
±0.6
2.7
°C
–50°C; VDD = 4.2 V to 5.5 V
±0.3
°C
(1)
Limits are specific to TI's AOQL (Average Outgoing Quality Level).
(2)
Accuracy is defined as the error between the measured and reference output voltages, tabulated in the Transfer Table at the specified
conditions of supply gain setting, voltage, and temperature (expressed in °C). Accuracy limits include line regulation within the specified
conditions. Accuracy limits do not include load regulation; they assume no DC load.
7.7 Electrical Characteristics
Unless otherwise noted, these specifications apply for +VDD = 2.7 V to 5.5 V. MIN and MAX limits apply for TA = TJ = TMIN to
TMAX ; typical limits apply for TA = TJ = 25°C.
PARAMETER
CONDITIONS
MIN(1)
TYP (2)
MAX (1)
UNIT
Sensor gain (output transfer
–13.6
mV/°C
function slope)
Source
≤ 50 μA, (VDD – VOUT) ≥ 200 mV
–1
–0.22
mV
Load regulation(3)
Sink
≤ 50 μA, VOUT ≥ 200 mV
0.26
1
mV
Line regulation(4)
200
μV/V
TA = 30°C to 150°C, (VDD – VOUT) ≥ 100 mV
5.4
8.1
μA
IS
Supply current
TA = –50°C to 150°C, (VDD – VOUT) ≥ 100 mV
5.4
9
μA
CL
Output load capacitance
1100
pF
Power-on time(5)
CL= 0 pF to 1100 pF
0.7
1.9
ms
Output drive
TA = TJ = 25°C
–50
50
μA
(1)
Limits are specific to TI's AOQL (Average Outgoing Quality Level).
(2)
Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
(3)
Source currents are flowing out of the LMT87 and LMT87-Q1. Sink currents are flowing into the LMT87 and LMT87-Q1.
(4)
Line regulation (DC) is calculated by subtracting the output voltage at the highest supply voltage from the output voltage at the lowest
supply voltage. The typical DC line regulation specification does not include the output voltage shift discussed in Output Voltage Shift.
(5)
Specified by design and characterization.
6
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