SUPER-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-808xxC Series
Rev.4.3_00
(2) (3) (4)
(5)
VDD
Release voltage (+VDET
Detection voltage (−VDET
(1)
B
)
A
Hysteresis width (VHYS
)
)
Minimum operating voltage
VSS
VDD
Output from the OUT pin
VSS
Figure 18 Operation 2
2. Other Characteristics
2-1. Temperature Characteristics of Detection Voltage
The shaded area in Figure 19 shows the temperature characteristics of the detection voltage.
−VDET [V]
+0.945 mV/°C
*1
−VDET25
−0.945 mV/°C
−40
25
85
Ta [°C]
*1. −VDET25 is an actual detection voltage value at 25°C.
Figure 19 Temperature Characteristics of Detection Voltage (Example for S-80827C)
2-2. Temperature Characteristics of Release Voltage
∆ + VDET
∆Ta
The temperature coefficient
for the release voltage is calculated by the temperature coefficient
∆ − VDET
∆Ta
of the detection voltage as follows:
∆ + VDET
∆Ta
+VDET ∆ − VDET
=
×
− VDET
∆Ta
The temperature coefficients for the release voltage and the detection voltage have the same sign
consequently.
Seiko Instruments Inc.
23
SII [ SEIKO INSTRUMENTS INC ]
