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S-8120ANP

LOW-VOLTAGE C-MOS HIGH-PRECISION TEMPERATURE SENSOR IC

Seiko Instruments Inc 

Rev.1.1

LOW-VOLTAGE C-MOS

HIGH-PRECISION TEMPERATURE SENSOR IC

S-8120ANP

The S-8120AMP is a ultra-small packaged high-precision temperature

sensor IC that outputs voltage with a temperature coefficient of -

8.5mV/°C and a temperature accuracy of ±2.5°C. A temperature

sensor, a constant current circuit and an operational amplifier are

integrated on a single chip to be able to operate at 2.4V. The operating

temperature ranges from -40°C to +100°C. The S-8120AMP is superior

in linearity over conventional temperature sensors like thermistors. It

can be applied to an ever expanding wide range of applications that

call for high-precision thermal control.

n Features

n Block Diagram

• Temperature accuracy : ±2.5°C ( -30°C ∼ +100°C)

• Linear Output Voltage : -8.5mV/°C

Ta = - 30°C : 1.823 V typ.

Ta = +30°C : 1.326 V typ.

Ta = + 100°C : 0.718 V typ.

• Nonlinearity : ±0.5 % typ. ( -20°C ∼ +80°C )

• Vss standard output

• Low voltage operation : Vdd min. = 2.4 V

• Low current consumption : Idd typ. = 4.5µA (+25°C)

• Ultra-small plastic package ( SC-82AB )

+

−

Temperature sensor

1 Vdd

4 Vout

3 N.C.

2 Vss

n Pin Assignment

SC-82AB

4

3

1

2

( Top view )

1. Vdd

2. Vss

3. N.C.

4. Vout

Seiko Instruments Inc.

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