S1002 datasheet(21/39 Pages) SII

номер детали	S1002

подробное описание детали	VOLTAGE DETECTOR WITH SENSE PIN

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производитель	SII [Seiko Instruments Inc]

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VOLTAGE DETECTOR WITH SENSE PIN

Rev.1.1_00

S-1002 Series

Seiko Instruments Inc.

3. Other characteristics

3. 1 Temperature characteristics of detection voltage

The shaded area in Figure 31 shows the temperature characteristics of detection voltage in the operation

temperature range.

−40

+25

+0.945 mV/°C

−VDET [V]

+85

Ta [°C]

−0.945 mV/°C

−VDET25

*1.

−VDET25 is a detection voltage value at Ta = +25°C.

Figure 31 Temperature Characteristics of Detection Voltage (Example for

−VDET = 2.7 V)

3. 2 Temperature characteristics of release voltage

The temperature change Δ+

VDET

ΔTa

of the release voltage is calculated by using the temperature change

Δ−VDET

ΔTa

of the detection voltage as follows:

Δ+VDET

ΔTa

= +

VDET

−VDET ×

Δ−VDET

ΔTa

The temperature change of the release voltage and the detection voltage has the same sign consequently.

3. 3 Temperature characteristics of hysteresis voltage

The temperature change of the hysteresis voltage is expressed as Δ+

VDET

ΔTa

−

Δ−VDET

ΔTa

and is calculated as

follows:

Δ+VDET

ΔTa

−

Δ−VDET

ΔTa

VHYS

−VDET ×

Δ−VDET

ΔTa

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