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
FUNCTIONS
• Measurement accuracy: ± 1oC
• Resolution : 0.2oC (oF)
• Measurable temperature range –49oC ~
+49.8oC
-57oF ~ +121.8oF
• 31/2 + 7 Indicators, 31/2 duty LCD
• Low power consumption
• Few external components
• Easiness in adjustment
• Suitable Thermistor RT=10KΩ ± 1% (at
25oC)
• Sampling Cycle 1 seconds, 3 seconds, 5
seconds,
• Single 1.5V battery operation
• Package Type: Bare chip
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
Value
Unit
V
- 0.1 ~ + 3.0
- 50 ~ + 50
- 50 ~ + 125
Topr
oC
Tstg
oC
ELECTRICAL CHARACTERISTICS
(Ta = 25oC, VSS = 0V, VCC = 1.5V unless otherwise specified)
Characteristic
Symbo Test Condition
Min
Typ
Max
Unit
l
Operating Voltage
VCC
VDD
1.20
1.50
3.00
50
2.00
V
V
µA
µA
LCD Voltage
Supply Current
ICC
Operating
Standby
80
10
ISTD
5
1
