MAX706
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The MAX706 is a microprocessor (µP) supervisory circuit designed to monitor the power supply and ensure reliable operation of microprocessor systems. It provides power-on reset, watchdog timer, and battery backup switching functions. The MAX706 ensures that the microprocessor is reset whenever the supply voltage drops below a preset threshold, and it maintains the reset state until the supply voltage stabilizes. Additionally, it includes a watchdog timer to reset the system if it becomes unresponsive and a manual reset input.
Key Features:
- Monitors power supply and generates reset signal
- Precision voltage monitoring (±1.5% accuracy)
- Available with different reset threshold voltages
- Watchdog timer with selectable timeout periods
- Manual reset input
- Battery backup switching
- Low quiescent current
- Small 8-pin SOIC/DIP package
- Supply Voltage (VCC): 1.2V to 5.5V
- Reset Threshold Voltages: Available in multiple options (e.g., 2.63V, 2.93V, 3.08V, 4.00V, 4.38V, 4.63V)
- Reset Timeout Period: 200ms (typical)
- Watchdog Timeout Period: 1.6s (typical)
- Manual Reset Input: Active low
- Quiescent Current: 50µA (typical)
- Operating Temperature Range: -40°C to +85°C
- Package: 8-pin SOIC/DIP
- Microprocessor and Microcontroller Systems: Ensures reliable operation and resets the microprocessor during power fluctuations.
- Embedded Systems: Provides supervisory functions in embedded applications.
- Battery-Powered Devices: Manages power and reset functions in battery-operated electronics.
- Industrial Control: Maintains reliable operation of control systems.
- Consumer Electronics: Used in various consumer devices for power monitoring and reset functions.
- Automotive Systems: Supervises microprocessor operation in automotive electronics.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment