LM20EP Enhanced Plastic 2.4V, 10碌A(chǔ), SC70, micro SMD Temperature Sensor
May 2004
LM20EP
Enhanced Plastic 2.4V, 10碌A(chǔ), SC70, micro SMD
Temperature Sensor
General Description
The LM20EP is a precision analog output CMOS integrated-
circuit temperature sensor that operates over a 鈭?5藲C to
+130藲C temperature range. The power supply operating
range is +2.4 V to +5.5 V. The transfer function of LM20EP is
predominately linear, yet has a slight predictable parabolic
curvature. The accuracy of the LM20EP when specified to a
parabolic transfer function is
鹵
1.5藲C at an ambient tempera-
ture of +30藲C. The temperature error increases linearly and
reaches a maximum of
鹵
2.5藲C at the temperature range
extremes. The temperature range is affected by the power
supply voltage. At a power supply voltage of 2.7 V to 5.5 V
the temperature range extremes are +130藲C and 鈭?5藲C.
Decreasing the power supply voltage to 2.4 V changes the
negative extreme to 鈭?0藲C, while the positive remains at
+130藲C.
The LM20EP鈥檚 quiescent current is less than 10 碌A(chǔ). There-
fore, self-heating is less than 0.02藲C in still air. Shutdown
capability for the LM20EP is intrinsic because its inherent
low power consumption allows it to be powered directly from
the output of many logic gates or does not necessitate
shutdown at all.
ENHANCED PLASTIC
鈥?/div>
Extended Temperature Performance of 鈭?5藲C to +130藲C
鈥?/div>
Baseline Control - Single Fab & Assembly Site
Features
n
n
n
n
Rated for full 鈭?5藲C to +130藲C range
Available in an SC70 and a micro SMD package
Predictable curvature error
Suitable for remote applications
Key Specifications
j
Accuracy at +30藲C
j
Accuracy at +130藲C & 鈭?5藲C
j
Power Supply Voltage Range
j
Current Drain
j
Nonlinearity
j
Output Impedance
j
Load Regulation
鹵
1.5 to
鹵
4 藲C (max)
鹵
2.5 to
鹵
5 藲C (max)
+2.4V to +5.5V
10 碌A(chǔ) (max)
鹵
0.4 % (typ)
160
鈩?/div>
(max)
鈭?.5 mV (max)
0 碌A(chǔ)
<
I
L
<
+16 碌A(chǔ)
Applications
n
Battery Management
n
Selected Military Applications
n
Selected Avionics Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Process Change Notification (PCN)
Qualification & Reliability Data
Solder (PbSn) Lead Finish is standard
Enhanced Diminishing Manufacturing Sources (DMS)
Support
Ordering Information
PART NUMBER
LM20CIM7EP
(Notes 1, 2)
VID PART NUMBER
V62/04728-01
TBD
NS PACKAGE NUMBER
(Note 3)
MAA05A
TBD
Note 1: For the following (Enhanced Plastic) version, check for availability: LM20SIBPEP, LM20SIBPXEP, LM20BIM7EP, LM20BIM7XEP,
LM20CIM7XEP, LM20SITLEP, LM20SITLXEP. Parts listed with an "X" are provided in Tape & Reel and parts without an "X" are in Rails.
Note 2: FOR ADDITIONAL ORDERING AND PRODUCT INFORMATION, PLEASE VISIT THE ENHANCED PLASTIC WEB SITE AT: www.national.com/
mil
Note 3: Refer to package details under Physical Dimensions
漏 2004 National Semiconductor Corporation
DS200999
www.national.com
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