LM61BIM3 National Semiconductor, LM61BIM3 Datasheet

LM61BIM3

Manufacturer Part Number

LM61BIM3

Description

TEMPERATURE SENSOR

Manufacturer

National Semiconductor

Datasheets

1.LM61BIM3X.pdf (10 pages)

2.LM61BIM3.pdf (9 pages)

3.LM61BIM3.pdf (9 pages)

4.LM61CIM3X.pdf (14 pages)

Specifications of LM61BIM3

Peak Reflow Compatible (260 C)

Ic Function

Temperature Sensor IC

Leaded Process Compatible

Mounting Type

Surface Mount

Package / Case

3-SOT-23

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM61BIM3X

Manufacturer:

NSC

Quantity:

136

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM61BIM3X

Manufacturer:

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM61BIM3X

Quantity:

136

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM61BIM3X

Manufacturer:

Quantity:

194

Company:

Meier Automation Equipment Co., Limited

Part Number:

LM61BIM3X

Manufacturer:

NS/国半

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Company:

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Part Number:

LM61BIM3X-NOPB

Manufacturer:

NSC

Quantity:

132

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Amily Shenzhen XNWY Technology Co., Ltd

Part Number:

LM61BIM3X/NOPB

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Download datasheet (677Kb)

LM61

2.7V, SOT-23 or TO-92 Temperature Sensor

General Description

The LM61 is a precision integrated-circuit temperature sen-

sor that can sense a −30˚C to +100˚C temperature range

while operating from a single +2.7V supply. The LM61’s

output voltage is linearly proportional to Celsius (Centigrade)

temperature (+10 mV/˚C) and has a DC offset of +600 mV.

The offset allows reading negative temperatures without the

need for a negative supply. The nominal output voltage of the

LM61 ranges from +300 mV to +1600 mV for a −30˚C to

+100˚C temperature range. The LM61 is calibrated to pro-

vide accuracies of

over the full −25˚C to +85˚C temperature range.

The LM61’s linear output, +600 mV offset, and factory cali-

bration simplify external circuitry required in a single supply

environment where reading negative temperatures is re-

quired. Because the LM61’s quiescent current is less than

125 µA, self-heating is limited to a very low 0.2˚C in still air.

Shutdown capability for the LM61 is intrinsic because its

inherent low power consumption allows it to be powered

directly from the output of many logic gates.

Features

n Calibrated linear scale factor of +10 mV/˚C

n Rated for full −30˚ to +100˚C range

n Suitable for remote applications

n UL Recognized Component

Typical Application

2.0˚C at room temperature and

FIGURE 1. Full-Range Centigrade Temperature Sensor (−30˚C to +100˚C)

Operating from a Single Li-Ion Battery Cell

DS012897

Temperature (T)

= (+10 mV/˚C x T ˚C) + 600 mV

+100˚C

+85˚C

+25˚C

−25˚C

−30˚C

0˚C

3˚C

Applications

n Cellular Phones

n Computers

n Power Supply Modules

n Battery Management

n FAX Machines

n Printers

n HVAC

n Disk Drives

n Appliances

Key Specifications

Typical V

Accuracy at 25˚C

Accuracy for −30˚C to +100˚C

Accuracy for −25˚C to +85˚C

Temperature Slope

Power Supply Voltage Range

Current Drain

Nonlinearity

Output Impedance

+1600 mV

+1450 mV

+850 mV

+600 mV

+350 mV

+300 mV

01289702

25˚C

+2.7V to +10V

2.0 or

125 µA (max)

www.national.com

800 Ω (max)

August 2005

4.0˚C (max)

3.0˚C (max)

0.8˚C (max)

+10 mV/˚C

(max)

3.0˚C

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