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LM94021BIMG/NOPB

±1.5°C Temperature Sensor with Multiple Gain Analog Output Options

Produttore:

Texas Instruments, Inc
ProduttorePart #:

LM94021BIMG/NOPB
Scheda dati:

LM94021BIMG/NOPB Scheda dati (PDF)
Local sensor accuracy (max):

1.5
Operating temperature range (°C):

-50 to 150
Supply voltage (min) (V):

1.5
Supply voltage (max) (V):

5.5
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LM94021BIMG/NOPB

E-mail: [email protected]

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tel: +852 95804164

LM94021BIMG/NOPB Descrizione generale

The LM94021 is a precision analog output CMOS integrated-circuit temperature sensor that operates at a supply voltage as low as 1.5V. While operating over the wide temperature range of −50°C to +150°C, the LM94021 delivers an output voltage that is inversely proportional to measured temperature. The LM94021's low supply current makes it ideal for battery-powered systems as well as general temperature sensing applications.

Two logic inputs, Gain Select 1 (GS1) and Gain Select 0 (GS0), select the gain of the temperature-to-voltage output transfer function. Four slopes are selectable: −5.5 mV/°C, −8.2 mV/°C, −10.9 mV/°C, and −13.6 mV/°C. In the lowest gain configuration (GS1 and GS0 both tied low), the LM94021 can operate with a 1.5V supply while measuring temperature over the full −50°C to +150°C operating range. Tying both inputs high causes the transfer function to have the largest gain of −13.6 mV/°C for maximum temperature sensitivity. The gain-select inputs can be tied directly to V_DD or Ground without any pull-up or pull-down resistors, reducing component count and board area. These inputs can also be driven by logic signals allowing the system to optimize the gain during operation or system diagnostics.

Caratteristiche principali

LM94021Q is AEC-Q100 Grade 0 Qualified
and is Manufactured on an Automotive Grade Flow
Low 1.5V Operation
Four Selectable Gains
Very Accurate Over Wide Temperature Range of
−50°C to +150°C
Low Quiescent Current
Output is Short-Circuit Protected
Extremely Small SC70 Package
Footprint Compatible with the Industry-Standard
LM20 Temperature Sensor
UL Recognized Component

Specifiche

Local sensor accuracy (max)	1.5	Operating temperature range (°C)	-50 to 150
Supply voltage (min) (V)	1.5	Supply voltage (max) (V)	5.5
Supply current (max) (µA)	12	Interface type	Analog output
Sensor gain (mV/°C)	-5.5 to -13.6	Rating	Catalog
Features	UL recognized	feature-packaging	Tape and Reel
feature-rad-hard		feature-pin-count	5
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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