Overview
The TS831-4IDT is an ultra-low power integrated circuit designed by STMicroelectronics. It incorporates a high stability band-gap voltage reference and a comparator with an open drain output. This supervisor IC is specifically engineered for applications requiring precise voltage monitoring and reset functionality.
The device is available in various packages, including SO-8, TSSOP-8L, and TO-92, making it versatile for different design requirements. It operates over a wide temperature range from -40°C to 125°C, ensuring reliability in diverse environmental conditions.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Threshold Voltage (VTHI) with VCC Increasing | 4.18 | 4.50 | 4.66 | V |
| Threshold Voltage (VTHD) with VCC Decreasing | 4.13 | 4.40 | 4.66 | V |
| Hysteresis Voltage (VHYS) | 50 | 100 | 200 | mV |
| Current Consumption (ICC) at VCC = 5V | 12 | µA | ||
| Low Level Output Voltage (VOL) at VCC = 4V, IOL = 8mA | 450 | 1300 | mV | |
| Operating Temperature | -40 | 125 | °C | |
| Response Time | 20µs | |||
| Package | SO-8, TSSOP-8L, TO-92 |
Key Features
- Internal Built-in Hysteresis: Enhances noise margin and prevents false reset operations.
- Fast Response Time: 20µs typical response time for a 10mV overdrive.
- Ultra Low Power Consumption: Maximum current consumption of 12µA.
- Precision Reset Threshold: Threshold voltages set at 4.33V, 4.5V, and 2.71V for different versions.
- Open Drain Output Comparator: Active low reset output.
- Pin to Pin Compatibility: Compatible with MC33064 and MC33164.
- Guaranteed Reset Operation: Ensures reset operation down to 1V VCC).
Applications
The TS831-4IDT is suitable for a variety of applications that require precise voltage monitoring and reset functionality. These include:
- Microprocessor and Microcontroller Systems: Ensures proper system reset during power-up or power-down sequences.
- Embedded Systems: Monitors power supply voltages to prevent system malfunction due to voltage drops.
- Industrial Control Systems: Provides reliable reset functionality in harsh environmental conditions.
- Consumer Electronics: Used in devices requiring low power consumption and precise voltage monitoring).
Q & A
- What is the primary function of the TS831-4IDT?
The primary function of the TS831-4IDT is to monitor the voltage level and provide a reset signal when the voltage drops below a specified threshold).
- What are the different threshold voltages available for the TS831 series?
The TS831 series offers threshold voltages of 4.33V, 4.5V, and 2.71V for different versions).
- What is the typical response time of the TS831-4IDT?
The typical response time is 20µs for a 10mV overdrive).
- What is the maximum current consumption of the TS831-4IDT?
The maximum current consumption is 12µA).
- What are the available packages for the TS831-4IDT?
The TS831-4IDT is available in SO-8, TSSOP-8L, and TO-92 packages).
- What is the operating temperature range of the TS831-4IDT?
The operating temperature range is from -40°C to 125°C).
- Is the TS831-4IDT RoHS compliant?
Yes, the TS831-4IDT is RoHS compliant and lead-free).
- What is the purpose of the internal hysteresis in the TS831-4IDT?
The internal hysteresis enhances the noise margin and prevents false reset operations).
- Is the TS831-4IDT pin-to-pin compatible with other ICs?
Yes, it is pin-to-pin compatible with MC33064 and MC33164).
- What types of systems can benefit from using the TS831-4IDT?
Microprocessor, microcontroller, embedded, industrial control, and consumer electronics systems can benefit from using the TS831-4IDT).
