ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
Rev.3.3_00
S-801 Series
3-2. Temperature Characteristics of Release Voltage
Δ + VDET
ΔTa
The temperature coefficient
of the release voltage is calculated by the temperature
coefficient Δ − VDET for the detection voltage as follows:
ΔTa
Δ + VDET
ΔTa
+VDET
− VDET
Δ − VDET
ΔTa
=
×
The temperature coefficients for the release voltage and the detection voltage have the same sign
consequently.
3-3. Temperature Characteristics of Hysteresis Voltage
Δ + VDET Δ − VDET
The temperature characteristics for the hysteresis voltage is expressed as
is calculated as follows:
−
and
ΔTa
ΔTa
Δ + VDET Δ − VDET
VHYS
Δ − VDET
ΔTa
−
=
×
ΔTa
ΔTa
− VDET
Standard Circuit
R*1
100 kΩ
VDD
OUT
DS
VSS
*1. R is unnecessary for CMOS output products.
Figure 13
Caution The above connection diagram and constant will not guarantees successful operation.
Perform through using the actual application to set the constant.
16
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
