S-80733SN Seiko Instruments, S-80733SN Datasheet - Page 40
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S-80733SN
Manufacturer Part Number
S-80733SN
Description
Search -----> S-80733
Manufacturer
Seiko Instruments
Datasheet
1.S-80733SN.pdf
(42 pages)
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Quantity
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Part Number:
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3. Change of detection voltage
Notes
In CMOS output products of S-807 Series, high through current flows when detecting or releasing. If a high impedance is
connected to the input, oscillation may be caused by the through current when lowering the voltage during releasing.
In TO-92 products, since there are projections and resin burrs on the roots of the lead terminals formed at the Tiebar-cut, do
not solder to them.
When designing for mass production using an application circuit described here, take into account the deviation of
components and temperature characteristics.
Seiko Instruments Inc. cannot take any responsibility for the patents on the circuits described here.
In Nch open-drain output products of the S-807 Series, detection voltage can be changed with resistance dividers or diodes
as shown in Figures 29 and 30. In Figure 29, hysteresis width is also changed.
(RA 7.5k )
V
V
DD
S
Detection voltage=
Hysteresis width=
Note 1: The hysteresis width will be a little
Note 2: RA should be 7.5k
RA
RB
wider than the value of the formula
above, because of the through current,
if RA and RB are larger.
purpose of protection against
oscillation.
V
Figure 29
IN
+
-
Figure 29
S-
807XX
AN/SN
RA+RB
RA+RB
RB
RB
(Nch open-drain
products)
Seiko Instruments Inc.
or less for
-V
-V
DET
HYS
OUT
HIGH-PRECISION VOLTAGE DETECTOR
V
V
DD
SS
Detection voltage=V
V
V
f1
f2
V
IN
Figure 30
S-
807XX
AN/SN
(Nch open-drain
products)
f1
+V
f2
+-V
DET
OUT
S-807 Series
39