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LM27A Datenblatt(PDF) 3 Page - Texas Instruments

Teilenummer LM27A
Bauteilbeschribung  Factory Preset Thermostat
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LM27A Datenblatt(HTML) 3 Page - Texas Instruments

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OBSOLETE
LM27A
www.ti.com
SNOSAQ6D – MAY 2005 – REVISED APRIL 2013
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
(1)
Input Voltage
6.0V
Input Current at any pin (2)
5mA
Package Input Current(2)
20mA
Storage Temperature
−65°C to + 175°C
ESD Susceptibility (3)
Human Body Model
2500V
Machine Model
250V
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the
Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
(2)
When the input voltage (VI) at any pin exceeds the power supply (VI < GND or VI > V
+), the current at that pin should be limited to 5mA.
The 20mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input
current of 5mA to four. Under normal operating conditions the maximum current that pins 2, 4 or 5 can handle is limited to 5mA each.
(3)
The human body model is a 100pF capacitor discharge through a 1.5k
Ω resistor into each pin. The machine model is a 200pF capacitor
discharged directly into each pin.
OPERATING RATINGS
(1)
Specified Temperature Range
TMIN ≤ TA ≤ TMAX
LM27A
−40°C ≤ TA ≤ +150°C
Positive Supply Voltage (V+)
+2.7V to +5.5V
Maximum VOUT
+5.5V
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the
Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
LM27A ELECTRICAL CHARACTERISTICS
The following specifications apply for V
+ = 2.7V
DC to 5.5VDC, and VTEMP load current = 0µA unless otherwise specified.
Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C unless otherwise specified.
LM27A
Typical
Units
Symbol
Parameter
Conditions
Limits
(1)
(Limits)
(2)
Temperature Sensor
Trip Point Accuracy (Includes VREF, DAC, +120°C<TA<+150°C
±3
°C (max)
Comparator Offset, and Temperature
Sensitivity errors)
Trip Point Hysteresis
HYST = GND
10
°C
HYST = V+
2
°C
VTEMP Output Temperature Sensitivity
−10.82
mV/°C
VTEMP Temperature Sensitivity Error to
−30°C ≤ TA ≤ 150°C, 2.7V
±3
°C (max)
Equation:
≤ V+ ≤ 5.5V
VO = (−3.552×10
−6×(T−30)2+
−55°C ≤ TA ≤ 150°C, 4.5V
±3
°C (max)
≤ V+ ≤ 5.5V
(
−10.695×10
−3×(T−30))+
1.8386V
TA = 25°C
±2.5
°C (max)
VTEMP Load Regulation
Source
≤ 1 μA
0.070
mV
Sink
≤ 40 μA
0.7
mV (max)
VTEMP Line Regulation
+2.7V
≤ V+ ≤ +5.5V,
−0.2
mV/V
−30°C ≤ TA ≤ +120°C
(1)
Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
(2)
Limits are specified to TI's AOQL (Average Outgoing Quality Level).
Copyright © 2005–2013, Texas Instruments Incorporated
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