Overview
The TPS3897ADRYT from Texas Instruments is a single-channel, ultra-small, adjustable voltage supervisor circuit. This device is part of the TPS389x family, designed to monitor voltages greater than 500 mV with high accuracy. It features an adjustable threshold down to 500 mV and a capacitor-adjustable delay time, making it versatile for various applications. The TPS3897ADRYT is housed in an ultra-small USON package, measuring 1.45 mm × 1.00 mm, and operates over a temperature range of –40°C to 125°C.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | USON (DRY), 6 pins |
| Supply Voltage Range | 1.7 V to 6.5 V |
| Threshold Voltage | Adjustable down to 500 mV |
| Threshold Accuracy | 1% over temperature |
| Quiescent Current | 6 µA (typical) |
| Output Type | Open-drain (rated at 18 V) and push-pull |
| Delay Time | Capacitor-adjustable |
| Temperature Range | –40°C to 125°C |
| Enable Input | External enable input |
Key Features
- Ultra-small USON package (1.45 mm × 1.00 mm)
- Adjustable threshold down to 500 mV
- Capacitor-adjustable delay time
- Low quiescent current: 6 µA (typical)
- External enable input
- Open-drain output rated at 18 V and push-pull output options
- Pin-for-pin compatible with MAX6895/6/7/8
- Operating temperature range: –40°C to 125°C
Applications
The TPS3897ADRYT is suitable for a variety of applications requiring precise voltage monitoring and supervision. These include:
- Industrial control systems
- Automotive systems
- Medical devices
- Consumer electronics
- Communication equipment
Q & A
- What is the package type of the TPS3897ADRYT?
The TPS3897ADRYT is housed in an ultra-small USON package with 6 pins. - What is the supply voltage range of the TPS3897ADRYT?
The supply voltage range is from 1.7 V to 6.5 V. - How is the threshold voltage adjusted?
The threshold voltage is adjustable down to 500 mV. - What is the quiescent current of the TPS3897ADRYT?
The typical quiescent current is 6 µA. - What types of output does the TPS3897ADRYT support?
The device supports both open-drain (rated at 18 V) and push-pull outputs. - How is the delay time adjusted?
The delay time is capacitor-adjustable. - What is the operating temperature range of the TPS3897ADRYT?
The operating temperature range is from –40°C to 125°C. - Does the TPS3897ADRYT have an external enable input?
Yes, it has an external enable input. - Is the TPS3897ADRYT pin-for-pin compatible with other devices?
Yes, it is pin-for-pin compatible with MAX6895/6/7/8. - What are some common applications of the TPS3897ADRYT?
Common applications include industrial control systems, automotive systems, medical devices, consumer electronics, and communication equipment.
