Overview
The TL7705ACPSR, produced by Texas Instruments, is a 5-V single-supply voltage supervisor IC designed for use as a reset controller in microcomputer and microprocessor systems. This IC is part of the TL77xxA family and is specifically engineered to monitor supply voltage and generate a reset signal when the voltage falls below or rises above a predetermined threshold. It features a wide supply-voltage range, precision voltage sensing, and temperature-compensated voltage reference, making it essential for ensuring system stability and reliability in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of supplies monitored | 1 | |
| Threshold voltage (typ) | 0.5, adjustable | V |
| Supply voltage range | 2.9 to 5.5 | V |
| Quiescent current (typ) | 25 μA | |
| Reset threshold accuracy | 2% | |
| Output driver type/reset output | Active-high, Active-low, Open-drain | |
| Operating temperature range | -40 to 85, 0 to 70 | °C |
| Package/Case | PDIP (P)-8, SOP-8 | |
| Number of terminals | 8 | |
| Terminal pitch (mm) | 1.27 | mm |
Key Features
- Precise voltage monitor with a reset output
- Wide supply-voltage range: 2.9V to 5.5V
- Low quiescent current: 25 μA
- Push-pull active low reset output
- Overvoltage protection
- Watchdog timer
- Manual reset input
- Power-On Reset Generator
- Automatic Reset Generation After Voltage Drop
- Externally Adjustable Pulse Duration
- Temperature-Compensated Voltage Reference
Applications
- Automotive
- Communication
- Computer peripherals
- Industrial control
- Power supply monitoring
- Portable devices
Q & A
- What is the primary function of the TL7705ACPSR?
The primary function of the TL7705ACPSR is to monitor the supply voltage and generate a reset signal when the voltage falls below or rises above a predetermined threshold. - What is the supply voltage range of the TL7705ACPSR?
The supply voltage range of the TL7705ACPSR is from 2.9V to 5.5V. - What is the quiescent current of the TL7705ACPSR?
The quiescent current of the TL7705ACPSR is 25 μA. - Does the TL7705ACPSR have overvoltage protection?
Yes, the TL7705ACPSR includes overvoltage protection. - What types of reset outputs does the TL7705ACPSR support?
The TL7705ACPSR supports active-high, active-low, and open-drain reset outputs. - What is the operating temperature range of the TL7705ACPSR?
The operating temperature range of the TL7705ACPSR is from -40°C to 85°C and 0°C to 70°C. - What package types are available for the TL7705ACPSR?
The TL7705ACPSR is available in PDIP (P)-8 and SOP-8 packages. - Does the TL7705ACPSR have a watchdog timer?
Yes, the TL7705ACPSR includes a watchdog timer feature. - Can the reset pulse duration be adjusted on the TL7705ACPSR?
Yes, the reset pulse duration can be externally adjusted on the TL7705ACPSR. - In which industries is the TL7705ACPSR commonly used?
The TL7705ACPSR is commonly used in automotive, communication, computer peripherals, industrial control, and power supply monitoring.
