S80830 datasheet(21/54 Pages) SII

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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR

Rev.3.2_00

S-808xxC Series

Seiko Instruments Inc.

Hysteresis width (VHYS)

VDD

VSS

Minimum operating voltage

Output from the OUT pin

VDD

VSS

(1)

(2) (3)

(5)

(4)

Release voltage (

+VDET)

Detection voltage (

−VDET)

Figure 16 Operation 2

2. Other Characteristics

2-1. Temperature Characteristics of Detection Voltage

The shaded area in Figure 17 shows the temperature characteristics of the detection voltage.

−40

+0.945 mV/°C

−VDET [V]

Ta [°C]

−0.945 mV/°C

−VDET25

*1.

−VDET25 is an actual detection voltage value at 25°C.

Figure 17 Temperature Characteristics of Detection Voltage (Example for S-80827C)

2-2. Temperature Characteristics of Release Voltage

The temperature coefficient

VDET

∆

for the release voltage is calculated by the temperature coefficient

VDET

∆

−

∆

of the detection voltage as follows:

DET

∆

−

∆

−

∆

The temperature coefficients for the release voltage and the detection voltage have the same sign

consequently.

S80830 Datasheet(PDF) 21 Page - Seiko Instruments Inc

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