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S-5813A Datasheet, PDF (9/18 Pages) Seiko Instruments Inc – CMOS TEMPERATURE SENSOR IC | |||
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Rev.1.2_00
CMOS TEMPERATURE SENSOR IC
S-5813A/5814A Series
3. Nonlinearity (ÎNL)
ÎNL indicates the nonlinearity of the output voltage and is defined as the difference of the characteristic curve of the output
voltage and the approximation line shown below.
ÎNL is calculated using the following formula.
ÎNL
=
a*1
b*2
à 100
Output voltage (VOUT)
a
VOUT (at Ta = â20°C)
a
(B) Actual measurement
of output voltage
b
a
(A) Approximation line
VOUT (at Ta = 80°C)
â20°C 0°C
Temperature (Ta)
80°C
*1. The maximum deviation of the actual measurement of output voltage (B) and an approximation line (A) in
temperature within â20°C to 80°C. The approximation line is the line drawn so that âaâ should be the minimum
value.
*2. The difference of the output voltage within â20°C to 80°C.
Figure 7
4. Line regulation (ÎVOUT1)
ÎVOUT1 indicates the output voltage dependency of the input voltage. That is, the values express how the output voltage
changes, when input voltage is changed under the condition that output current is fixed.
5. Load regulation (ÎVOUT2)
ÎVOUT2 indicates the output voltage dependency of the output current. That is, the values express how the output
voltage changes, when output current is changed under the condition that input voltage is fixed.
Seiko Instruments Inc.
9
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