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LM20CIM7X bảng dữ liệu(PDF) 4 Page - Texas Instruments

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tên linh kiện LM20CIM7X
Giải thích chi tiết về linh kiện  LM20 2.4V, 10關A, SC70, DSBGA Temperature Sensor
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Trang chủ  http://www.ti.com
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LM20CIM7X bảng dữ liệu(HTML) 4 Page - Texas Instruments

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LM20
SNIS106P – DECEMBER 1999 – REVISED FEBRUARY 2013
www.ti.com
Operation Ratings
(1)
Specified Temperature Range:
TMIN ≤ TA ≤ TMAX
LM20B, LM20C with
2.4 V
≤ V+≤ 2.7 V
−30°C ≤ TA ≤ 130°C
LM20B, LM20C with
2.7 V
≤ V+≤ 5.5 V
−55°C ≤ TA ≤ 130°C
LM20S with
2.4 V
≤ V+≤ 5.5 V
−30°C ≤ TA ≤ 125°C
LM20S with
2.7 V
≤ V+≤ 5.5 V
−40°C ≤ TA ≤ 125°C
Supply Voltage Range (V+)
2.4 V to 5.5 V
Thermal Resistance,
θJA
(2)
SC70
415°C/W
DSBGA
340°C/W
(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 guarantee specific performance limits. For guaranteed specifications and test conditions, see
the Electrical Characteristics. The guaranteed 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)
The junction to ambient thermal resistance (
θJA) is specified without a heat sink in still air using the printed circuit board layout shown in
PCB Layouts Used For Thermal Measurements.
Electrical Characteristics
Unless otherwise noted, these specifications apply for V
+ = +2.7 V
DC. Boldface limits apply for TA = TJ = TMIN to TMAX ; all
other limits TA = TJ = 25°C; Unless otherwise noted.
LM20B
LM20C
LM20S
TYPICAL
UNIT
PARAMETER
CONDITIONS
Limits
Limits
Limits
(1)
(Limit)
(2)
(2)
(2)
TA = 25°C to 30°C
±1.5
±4.0
±2.5
°C (max)
TA = 130°C
±2.5
±5.0
°C (max)
TA = 125°C
±2.5
±5.0
±3.5
°C (max)
Temperature to Voltage Error
TA = 100°C
±2.2
±4.7
±3.2
°C (max)
VO = (−3.88×10
−6×T2)
TA = 85°C
±2.1
±4.6
±3.1
°C (max)
+ (
−1.15×10−2×T) + 1.8639V
TA = 80°C
±2.0
±4.5
±3.0
°C (max)
(3)
TA = 0°C
±1.9
±4.4
±2.9
°C (max)
TA = –30°C
±2.2
±4.7
±3.3
°C (min)
TA = –40°C
±2.3
±4.8
±3.5
°C (max)
TA = –55°C
±2.5
±5.0
°C (max)
Output Voltage at 0°C
1.8639
V
Variance from Curve
±1.0
°C
Non-Linearity (4)
–20°C
≤ TA ≤ 80°C
±0.4%
Sensor Gain (Temperature
Sensitivity or Average Slope) to
−11.4
−11.0
−11.0
mV/°C (min)
–30°C
≤ TA ≤ 100°C
−11.77
equation: VO=−11.77
−12.2
−12.6
−12.6
mV/°C (max)
mV/°C×T+1.860V
0
μA ≤ IL ≤ 16 μA
160
160
160
Ω (max)
Output Impedance
(5) (6)
(1)
Typicals are at TJ = TA = 25°C and represent most likely parametric norm.
(2)
Limits are guaranteed to TI's AOQL (Average Outgoing Quality Level).
(3)
Accuracy is defined as the error between the measured and calculated output voltage at the specified conditions of voltage, current, and
temperature (expressed in°C).
(4)
Non-Linearity is defined as the deviation of the calculated output-voltage-versus-temperature curve from the best-fit straight line, over
the temperature range specified.
(5)
Negative currents are flowing into the LM20. Positive currents are flowing out of the LM20. Using this convention the LM20 can at most
sink
−1 μA and source 16 μA.
(6)
Load regulation or output impedance specifications apply over the supply voltage range of 2.4V to 5.5V.
4
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Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LM20


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