Overview
The TPS3307-33DGNRG4 is a micropower supply voltage supervisor integrated circuit designed by Texas Instruments. It is part of the TPS3307 family, which is specifically tailored for circuit initialization in DSP and processor-based systems that require multiple supply voltages. This device monitors three independent supply voltages and provides a robust solution for ensuring proper system reset and initialization.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TPS3307-33DGNRG4 |
| Package Type | 8-pin MSOP (DGN), HVSSOP |
| Number of Supplies Monitored | 3 |
| Monitored Voltage Range | Adjustable, 1.8V, 2.5V, 3.3V, 5V |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage Range | 2V to 6V |
| Maximum Supply Current | 40µA |
| Reset Threshold Accuracy | 3.2% |
| Time Delay | 200ms |
| Output Driver Type / Reset Output | Active-low, Push-pull |
| Special Features | Active Low Enable, Manual Reset |
Key Features
- Triple Supervisory Circuits for DSP and processor-based systems
- Power-On Reset Generator With 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)
- Active-Low and Active-High RESET Outputs
- Eco-friendly, 8-pin MSOP (DGN) package
Applications
The TPS3307-33DGNRG4 is widely used in various digital systems, including microprocessor and microcontroller-based systems, that require precise voltage supervision for proper initialization and operation. It is particularly suitable for applications in:
- DSP and processor-based systems
- Embedded systems requiring multiple supply voltage monitoring
- Industrial control systems
- Automotive electronics
- Consumer electronics
Q & A
- What is the primary function of the TPS3307-33DGNRG4?
The primary function is to monitor three independent supply voltages and provide a power-on reset generator to ensure proper system initialization in DSP and processor-based systems. - What is the operating temperature range of the TPS3307-33DGNRG4?
The operating temperature range is -40°C to 85°C. - What is the maximum supply current of the TPS3307-33DGNRG4?
The maximum supply current is 40µA. - Does the TPS3307-33DGNRG4 require an external capacitor for the power-on reset generator?
No, it does not require an external capacitor for the power-on reset generator. - What types of reset outputs are available on the TPS3307-33DGNRG4?
The device includes both active-low and active-high reset outputs. - Is the TPS3307-33DGNRG4 RoHS compliant?
Yes, the TPS3307-33DGNRG4 is RoHS compliant. - What is the typical time delay for the reset output to return to the inactive state?
The typical time delay is 200ms. - Can the monitored voltage be adjusted?
Yes, the monitored voltage can be adjusted and includes options for 1.8V, 2.5V, 3.3V, and 5V. - What package types are available for the TPS3307-33DGNRG4?
The device is available in 8-pin MSOP (DGN) and HVSSOP packages. - Does the TPS3307-33DGNRG4 have a manual reset feature?
Yes, it includes a manual reset input (MR).
