Datasheet > LM20BIMDC

LM20BIMDC

更新时间： 2024-11-11 20:04:43

品牌	Logo	应用领域
美国国家半导体 - NSC		输出元件传感器换能器
页数	文件大小	规格书
9页	203K
描述
Analog Temperature Sensor, ANALOG TEMP SENSOR-VOLTAGE, 1.86V, 4Cel, DIE

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技术参数
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LM20BIMDC 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	DIE OR CHIP	Reach Compliance Code：	compliant
风险等级：	5.46	最大精度（摄氏度）：	4 Cel
线性度（Cel）：	0.4 Cel	最大工作电流：	0.01 mA
最高工作温度：	130 °C	最低工作温度：	-55 °C
最大输出电压：	1.86 V	封装等效代码：	DIE OR CHIP
电源：	2.5/5 V	传感器/换能器类型：	TEMPERATURE SENSOR,ANALOG,VOLTAGE OUTPUT
子类别：	Other Sensors	最大供电电压：	5.5 V
最小供电电压：	2.4 V	技术：	CMOS
温度系数：	NEGATIVE ppm/ °C	Base Number Matches：	1

LM20BIMDC 数据手册

January 2003

LM20

2.4V, 10µA, SC70, micro SMD Temperature Sensor

n Battery Management

n FAX Machines

The LM20 is a precision analog output CMOS integrated-

n Printers

General Description

circuit temperature sensor that operates over a −55˚C to

+130˚C temperature range. The power supply operating

n HVAC

n Disk Drives

n Appliances

range is +2.4 V to +5.5 V. The transfer function of LM20 is

predominately linear, yet has a slight predictable parabolic

curvature. The accuracy of the LM20 when specified to a

parabolic transfer function is 1.5˚C at an ambient tempera-

ture of +30˚C. The temperature error increases linearly and

reaches a maximum of 2.5˚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˚C and −55˚C.

Decreasing the power supply voltage to 2.4 V changes the

negative extreme to −30˚C, while the positive remains at

+130˚C.

Features

n Rated for full −55˚C to +130˚C range

n Available in an SC70 and a micro SMD package

n Predictable curvature error

n Suitable for remote applications

Key Specifications

Accuracy at +30˚C

Accuracy at +130˚C & −55˚C

Power Supply Voltage Range

Current Drain

1.5 to 4 ˚C (max)

2.5 to 5 ˚C (max)

+2.4V to +5.5V

10 µA (max)

The LM20’s quiescent current is less than 10 µA. Therefore,

self-heating is less than 0.02˚C in still air. Shutdown capa-

bility for the LM20 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.

Nonlinearity

0.4 % (typ)

Output Impedance

Load Regulation

160 Ω (max)

Applications

n Cellular Phones

n Computers

0 µA I_L+16 µA

−2.5 mV (max)

n Power Supply Modules

Typical Application

Full-Range Celsius (Centigrade) Temperature Sensor (−55˚C to +130˚C)

Operating from a Single Li-Ion Battery Cell

Output Voltage vs Temperature

10090802

V_O= (−3.88x10⁻⁶xT²) + (−1.15x10⁻²xT) + 1.8639

10090824

where:

T is temperature, and V is the measured output voltage of the LM20.

DS100908

www.national.com

12 3 4 5 6 7...9

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与LM20BIMDC相关器件

型号	品牌	获取价格	描述	数据表
LM20BIMWC	NSC	获取价格	Analog Temperature Sensor, ANALOG TEMP SENSOR-VOLTAGE, 1.86V, 4Cel, WAFER
LM20BIMWC	TI	获取价格	Analog Temperature Sensor, ANALOG TEMP SENSOR-VOLTAGE, 1.86V, 4Cel, WAFER
LM20CIM7	NSC	获取价格	LM20 2.4V, 10レA, SC70, micro SMD Temperature
LM20CIM7	TI	获取价格	LM20 2.4V, 10Î¼A, SC70, DSBGA Temperature Sen
LM20CIM7/NOPB	TI	获取价格	DSBGA Temperature Sensor
LM20CIM7EP	NSC	获取价格	Enhanced Plastic 2.4V, 10uA, SC70, micro SMD Temperature Sensor
LM20CIM7EP/NOPB	TI	获取价格	IC,TEMPERATURE SENSOR,CMOS,TSSOP,6PIN,PLASTIC
LM20CIM7X	TI	获取价格	LM20 2.4V, 10Î¼A, SC70, DSBGA Temperature Sen
LM20CIM7X	NSC	获取价格	LM20 2.4V, 10レA, SC70, micro SMD Temperature
LM20CIM7X/NOPB	NSC	获取价格	Analog Temperature Sensor, ANALOG TEMP SENSOR-VOLTAGE, 10uA, 5Cel, RECTANGULAR, SURFACE MO

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