NJM#2078M NJR, NJM#2078M Datasheet

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NJM#2078M

Manufacturer Part Number
NJM#2078M
Description
Supervisory Circuits _
Manufacturer
NJR
Datasheet

Specifications of NJM#2078M

Product Category
Supervisory Circuits
Rohs
yes
Number Of Voltages Monitored
2
Monitored Voltage
1.2 V
Undervoltage Threshold
1.15 V
Overvoltage Threshold
1.25 V
Manual Reset
Not Resettable
Watchdog
No Watchdog
Supply Voltage - Max
21 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
DMP-8
Maximum Power Dissipation
300 mW
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
100
Supply Current (typ)
600 uA

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■ GENERAL DESCRIPTION
circuit. Output stages are open collector and can be used on wired OR.
The NJM2078 has hysterisis terminals.
detection of decreased power supply in memory stack and abnormal
voltage.
■ FEATURES
■ PIN CONFIGURATION
■ EQUIVALENT CIRCUIT
Ver.2003-12-09
The NJM2078 is a dual comparator including precise reference
As it is less operating current, the NJM2078 is suitable for voltage
● Low Operating Current
● Stabled Internal Reference Voltage (1.20V typ.)
● Hysterisis Function with Resistors
● Package Outline
● Bipolar Technology
(250µA typ.)
DIP8, DMP8
VOLTAGE DETECTOR
NJM2078D
NJM2078M
■ PACKAGE OUTLINE
NJM2078D
NJM2078M
- 1 -

Related parts for NJM#2078M

NJM#2078M Summary of contents

Page 1

GENERAL DESCRIPTION The NJM2078 is a dual comparator including precise reference circuit. Output stages are open collector and can be used on wired OR. The NJM2078 has hysterisis terminals less operating current, the NJM2078 is suitable ...

Page 2

ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Voltage Output Current Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range - 2 - SYMBOL RATINGS + -0.3 to +6.5 IN ...

Page 3

ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Threshold Voltage Threshold Voltage Deviation vs. Operating Voltage Offset Voltage Between Normal Output and Hysterisis Output Threshold Voltage Temperature Coefficient Threshold Voltage Difference Between Channels Input Current Output Leak Current Hysterisis Output Leak Current ...

Page 4

OPERATION PRINCIPLE Equation   R       2   R     − ...

Page 5

TYPICAL APPLICATION 1. Hysterisis Each equation is calculated without considering the saturation voltage necessary to compensate by the saturation voltage fit to lead conditions, precisely. 2. Detection of Abnormal Supply Voltage Hysterisis ; Positive feedback from pin ...

Page 6

Detection of Abnormal Operating Voltage 4. Programmable Zener 5. Reset Circuit for Decreased Operating Voltage - 6 -        ...

Page 7

TYPICAL CHARACTERISTICS Operating Current Output Saturation Voltage (A) Threshold Voltage Ver.2003-12-09 Hysterisis Current (A) Output Saturation Voltage (B) Threshold Voltage - 7 - ...

Page 8

TYPICAL CHARACTERISTICS (Refer to Application 5 of Reset Circuit for Decreased Supply Voltage) DC Characteristics - 8 - Pulse Response [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes ...

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