S-801 Seiko Instruments, S-801 Datasheet - Page 15

• Manufacturer Part Number: S-801
• Description: ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR
• Manufacturer: Seiko Instruments

Rev.3.3
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ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING)
2. Delay Circuit
3. Other Characteristics
_00
2-1. Delay Time
2-2. DS Pin (ON/OFF Switch Pin for Delay Time)
3-1. Temperature Characteristics of Detection Voltage
Figure 12 Temperature Characteristics of Detection Voltage (Example for S-80122xxxx)
The delay circuit delays the output signal from the time at which the power voltage (V
exceeds the release voltage (+V
when the V
The delay time (t
counter.
The DS pin should be connected to Low or High. When the DS pin is High, the output delay
time becomes short since the output signal is taken from the middle of counter circuit (Refer to
Figure 16).
The shaded area in Figure 12 shows the temperature characteristics of the detection voltage.
Hysterisis width (V
DD
–V
goes below the detection voltage (–V
DET
2.200
D
) is a fixed value that is determined by a built-in oscillation circuit and
[V]
HYS
V
Seiko Instruments Inc.
–40
)
(1) (2)
DD
V
Figure 11 Operation 2
SS
A
DET
) when V
(3)
(4)
25
B
DD
(5)
t
D
is turned on. The output signal is not delayed
V
Output from OUT pin
Release voltage (+V
Detection voltage (−V
Minimum operating voltage
V
DD
SS
DET
). (Refer to Figure 11.)
85
+0.792 mV/°C
–0.792 mV/°C
Ta [°C]
DET
DET
)
)
S-801 Series
DD
)
15