Overview
The TPS3307-33DGNR is a micropower supply voltage supervisor from Texas Instruments, designed primarily for circuit initialization in DSP and processor-based systems. This device is part of the TPS3307 family, which monitors multiple independent supply voltages to ensure proper system operation. It is particularly useful in systems that require more than one supply voltage, such as those found in industrial equipment, automotive systems, and portable/battery-powered devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2V to 6V | V |
| Maximum Supply Current | 40µA | A |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 8-pin MSOP or SO | |
| Power-On Reset Delay Time | 200ms (typ) | ms |
| RESET Output | Active-low and active-high | |
| Manual Reset Input (MR) | Active-low | |
| Sense Voltage Inputs | SENSE1, SENSE2, SENSE3 (adjustable) | |
| Nominal Supervised Voltages | 3.3V/1.8V/adj, 3.3V/2.5V/adj, 3.3V/5V/adj | V |
Key Features
- Triple Supervisory Circuits for DSP and processor-based systems
- Power-On Reset Generator with a fixed delay time of 200ms, no external capacitor needed
- Temperature-Compensated Voltage Reference
- Maximum Supply Current of 40µA
- Defined RESET Output From VDD ≥ 1.1V
- Manual reset input (MR) for manual system reset
- Active-low and active-high RESET outputs
- Adjustable SENSE input for monitoring any supply voltage >1.25V
Applications
- Industrial Equipment
- Programmable Controls
- Automotive Systems
- Portable/Battery Powered Equipment
- Intelligent Instruments
- Wireless Communication Systems
- Notebook/Desktop Computers
Q & A
- What is the primary function of the TPS3307-33DGNR?
The TPS3307-33DGNR is a micropower supply voltage supervisor designed for circuit initialization in DSP and processor-based systems, monitoring multiple independent supply voltages.
- What is the supply voltage range of the TPS3307-33DGNR?
The supply voltage range is from 2V to 6V.
- What is the typical power-on reset delay time for the TPS3307-33DGNR?
The typical power-on reset delay time is 200ms.
- Does the TPS3307-33DGNR require an external capacitor for the power-on reset?
No, it does not require an external capacitor for the power-on reset.
- What types of packages are available for the TPS3307-33DGNR?
The device is available in either 8-pin MSOP or standard 8-pin SO packages.
- What is the operating temperature range of the TPS3307-33DGNR?
The operating temperature range is from -40°C to +85°C.
- Does the TPS3307-33DGNR have a manual reset feature?
- What types of RESET outputs are available on the TPS3307-33DGNR?
The device includes both active-low and active-high RESET outputs.
- Can the sense voltage inputs be adjusted on the TPS3307-33DGNR?
- What are some typical applications for the TPS3307-33DGNR?
Typical applications include industrial equipment, automotive systems, portable/battery-powered equipment, intelligent instruments, and wireless communication systems.
