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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The ADM693 series Supervisory Circuit offers complete single chip solutions for power supply monitoring and battery control functions in microprocessor systems. These functions include µP reset, backup battery switchover, watchdog timer, CMOS RAM write protection and power failure warning. The complete family provides a variety of configurations to satisfy most microprocessor system requirements. The ADM690-ADM695 family is fabricated using an advanced epitaxial CMOS process combining low power consumption (5mW), extremely fast chip enable gating (5ns) and high reliability. RESET assertion is guaranteed with VCC as low as 1V. In addition, the power switching circuitry is designed for minimal voltage drop thereby permitting increased output current drive of up to 100mA without the need for an external pass transistor.
Write protection of CMOS RAM or EEPROM
Adjustable reset and watchdog timeout periods
Specified over-temperature
Precision voltage monitor
Automatic battery backup power switching
Extremely fast gating of chip enable signals (5ns)
Voltage monitor for power-fail
High current drive (100mA)
1.5R Normal and 20R in backup Low switch on-resistance
100ms, 1.6s or adjustable Watchdog timer
600nA Standby current
ESD sensitive device. Electrostatic charges as high as 4000V readily accumulate on the human body and test equipment and can discharge without detection.

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ADM693ARZ Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Supply Voltage (DC)	5.50V (max)
Supply Current	1.95 mA
Number of Positions	16 Position
Power Dissipation	600 mW
Threshold Voltage	4.4 V
Reset Threshold Voltage (Min)	4.25 V
Reset Threshold Voltage (Max)	4.48 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	600 mW
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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