Datasheet > LM94021QBIMG/NOPB

LM94021QBIMG/NOPB

更新时间： 2023-09-03 20:30:57

品牌	Logo	应用领域
德州仪器 - TI		温度传感传感器温度传感器
页数	文件大小	规格书
24页	1270K
描述
具有多个增益模拟输出选项的汽车级 ±1.5°C 温度传感器 \| DCK \| 5 \| -50 to 150

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LM94021

www.ti.com

SNIS138E –FEBRUARY 2005–REVISED JUNE 2013

LM94021/LM94021Q Multi-Gain Analog Temperature Sensor

Check for Samples: LM94021

FEATURES

DESCRIPTION

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

•

LM94021Q is AEC-Q100 Grade 0 Qualified and

is Manufactured on an Automotive Grade Flow

•

Low 1.5V Operation

Four Selectable Gains

proportional

measured

temperature.

The

Very Accurate Over Wide Temperature Range

of −50°C to +150°C

LM94021's low supply current makes it ideal for

battery-powered systems as well as general

temperature sensing applications.

•

Low Quiescent Current

Output is Short-Circuit Protected

Extremely Small SC70 Package

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

Footprint Compatible with the Industry-

Standard LM20 Temperature Sensor

•

UL Recognized Component

operate with

1.5V supply while measuring

APPLICATIONS

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_DDor 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.

•

Cell Phones

Wireless Transceivers

Battery Management

Automotive

Disk Drives

Games

Appliances

Table 1. KEY SPECIFICATIONS

Supply Voltage

1.5V to 5.5V

Supply Current

9 μA (typ)

20°C to 40°C

−50°C to 70°C

−50°C to 90°C

−50°C to 150°C

±1.5°C

±1.8°C

±2.1°C

±2.7°C

Temperature Accuracy

Operating Temperature

–50°C to 150°C

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...24

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LM94021QBIMG/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM94021BIMGX/NOPB	TI	类似代替	具有多个增益模拟输出选项的 ±1.5°C 温度传感器 \| DCK \| 5 \| -50 to
LM94021BIMG/NOPB	TI	类似代替	Multi-Gain Analog Temperature Sensor

与LM94021QBIMG/NOPB相关器件

型号	品牌	获取价格	描述	数据表
LM94021QBIMGX/NOPB	TI	获取价格	具有多个增益模拟输出选项的汽车级 ±1.5°C 温度传感器 \| DCK \| 5 \| -50
LM94022	NSC	获取价格	1.5V, SC70, Multi-Gain Analog Temperature Sensor with Class-AB Output
LM94022	TI	获取价格	1.5-V, SC70, Multi-Gain Analog Temperature Sensor With Class-AB Output
LM94022_15	TI	获取价格	1.5-V, SC70, Multi-Gain Analog Temperature Sensor With Class-AB Output
LM94022BIMG	NSC	获取价格	1.5V, SC70, Multi-Gain Analog Temperature Sensor with Class-AB Output
LM94022BIMG	TI	获取价格	1.5-V, SC70, Multi-Gain Analog Temperature Sensor With Class-AB Output
LM94022BIMG/NOPB	NSC	获取价格	Analog Temperature Sensor, ANALOG TEMP SENSOR-VOLTAGE, 2.70Cel, RECTANGULAR, SURFACE MOUNT
LM94022BIMG/NOPB	TI	获取价格	1.5-V, SC70, Multi-Gain Analog Temperature Sensor With Class-AB Output
LM94022BIMGX	NSC	获取价格	1.5V, SC70, Multi-Gain Analog Temperature Sensor with Class-AB Output
LM94022BIMGX/NOPB	TI	获取价格	1.5-V, SC70, Multi-Gain Analog Temperature Sensor With Class-AB Output

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