upc177 Renesas Electronics Corporation., upc177 Datasheet - Page 7

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upc177

Manufacturer Part Number
upc177
Description
Upc177 Datasheets Single Power Supply Quad Comparators
Manufacturer
Renesas Electronics Corporation.
Datasheet

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<R>
PRECAUTIONS FOR USE
O The process of unused circuits
O Ratings of input/output pin voltage
O Range of common-mode input voltage
O Range of Input Current
O Handling of ICs
characteristics or damages, by a conduction of a parasitic diode within an IC. In addition, when the input/output pin
may be lower than V
Schottky diode) for protection.
input voltage is as follows.
amplifier. It is an average value of the current that flows in the +input pin [I
differential amplified circuit of an input stage is balanced (negative feedback is provided).
piezoelectric effect. Therefore, pay attention to warpage or bending of a board.
The “Input Bias Current [I
Therefore, because the differential amplified circuit of the input stage will not be balanced during comparison
(when comparator is active), the input current will flow, with twice the amount of current, to a pin with low potential.
When the voltage of input/output pin exceeds the absolute maximum rating, it may cause degradation of
When the supply voltage does not meet the condition of electrical characteristics, the range of common-mode
During designing, temperature characteristics for use with allowance.
When stress is added to ICs due to warpage or bending of a board, the characteristic fluctuates due to
V
If there is an unused circuit, the following connection is recommended.
ICM
(TYP.): V
to V
+
, it is recommended to make a clump circuit by a diode whose forward voltage is low (e.g.:
− 1.5 (V) (T
B
]” of the electric feature specification list is specified in accordance with the operation
A
V
= 25°C)
Process example of unused circuits
To potentials within the range of
common-mode input voltage (V
Data Sheet G17933EJ3V0DS
ICM
+
)
V
V
+
μ
PC177GR-9LG,
OUT
(open)
N
] and the −input pin [I
μ
PC339GR-9LG
I
] when the
7

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