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S-1000N21-M5T1G View Datasheet(PDF) - Seiko Instruments Inc

Part NameS-1000N21-M5T1G SII
Seiko Instruments Inc SII
DescriptionUltra Small Package High Precision Voltage Detector
S-1000N21-M5T1G Datasheet PDF : 38 Pages
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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
S-1000 Series
Rev.2.3_00
(1) (2) (3) (4)
B
Hysteresis width (VHYS)
A
(5)
VDD
Release voltage (+VDET)
Detection voltage (VDET)
Minimum operating voltage
VSS
VDD
VSS
Output from the OUT pin
Figure 15 Operation 2
2. Other characteristics
2. 1 Temperature characteristics of detection voltage
The shaded area in Figure 16 shows the temperature characteristics of the detection voltage.
VDET [V]
+0.945 mV/°C
VDET25*1
0.945 mV/°C
40
25
85
Ta [°C]
*1. VDET25 is an actual detection voltage value at 25°C.
Figure 16 Temperature characteristics of detection voltage (Example for VDET = 2.7 V)
2. 2 Temperature characteristics of release voltage
The temperature change ∆ + VDET of the release voltage is calculated by the temperature change ∆ − VDET of the
Ta
Ta
detection voltage as follows:
∆ + VDET = +VDET × ∆ − VDET
Ta VDET Ta
The temperature changes of the release voltage and the detection voltage have the same sign consequently.
14
Seiko Instruments Inc.
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