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IZ8016

3.5 DIGIT THERMOMETER

Integral Corp. 

IZ8016

3.5 DIGIT THERMOMETER

DESCRIPTION

The IZ8016 is a CMOS circuit provided with digital thermometer function. Temperature reading

from –50oC to +50oC is detected

by use of a thermistor as a sensor and temperature is displayed on a LCD by 0.2oC step. High

accuracy is obtained in wide range of

–50oC ~ +50oC by providing non-linear correction circuit on the chip.

FEATURES

• Measurement accuracy: ± 1oC

• Resolution : 0.2oC (oF)

• 31/2 + 7 Indicators, 31/2 duty LCD

• Low power consumption

• Few external components

• Easiness in adjustment

• Single 1.5V battery operation

• Package Type: Bare chip

FUNCTIONS

• Measurable temperature range –49oC ~

+49.8oC

-57oF ~ +121.8oF

• Suitable Thermistor RT=10KΩ ± 1% (at

25oC)

• Sampling Cycle 1 seconds, 3 seconds, 5

seconds,

10 seconds (Default 10 sec)

• Oscillation Frequency 32.768 kHz

• Temperature adjustment: Adjustment of

temperature is

made by adjusting fundamental resistance

against

dispersion in resistance values of

thermistors

ABSOLUTE MAXIMUM RATINGS

Characteristic

Supply Voltage (VCC)

Operating Temperature Range

Storage Temperature Range

Symbol

VCC

Topr

Tstg

Value

- 0.1 ~ + 3.0

- 50 ~ + 50

- 50 ~ + 125

Unit

V

oC

oC

ELECTRICAL CHARACTERISTICS

(Ta = 25oC, VSS = 0V, VCC = 1.5V unless otherwise specified)

Characteristic

Operating Voltage

LCD Voltage

Supply Current

Symbo

l

VCC

VDD

ICC

ISTD

Test Condition

Operating

Standby

Min

1.20

Typ Max

1.50 2.00

3.00

50

80

5

10

Unit

V

V

µA

µA

1

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