Overview
The Texas Instruments REF3133AIDBZT is a precision fixed voltage reference integrated circuit (IC) designed to provide a stable output voltage. This IC is part of the REF3133 series and is housed in a compact SOT-23-3 package. It is known for its high accuracy and low noise characteristics, making it suitable for a variety of applications requiring reliable voltage references.
The REF3133AIDBZT operates over a wide temperature range from -40°C to 125°C, ensuring stability across different environmental conditions. It is RoHS compliant and features a low quiescent current, which is beneficial for power-sensitive designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | REF3133AIDBZT |
| Package Type | SOT-23-3 |
| Reference Type | Fixed |
| Output Voltage | 3.3V ±0.2% |
| Maximum Output Current | 10mA |
| Maximum Input Voltage | 5.5V |
| Quiescent Current | 135µA (typ), 115µA (max) |
| Line Regulation | 65 ppm/V |
| Load Regulation | 50 µV/mA |
| Temperature Coefficient | 20 ppm/°C (max) |
| Noise (0.1Hz to 10Hz) | 43 µVpp (typ) |
| Operating Temperature Range | -40°C to 125°C |
| Mounting Type | Surface Mount |
| Dimensions | 2.92mm x 1.3mm x 1mm |
Key Features
- High Accuracy: The REF3133AIDBZT offers an initial accuracy of ±0.2%, ensuring reliable voltage reference in various applications.
- Low Noise: With a noise level of 43 µVpp (typ) from 0.1Hz to 10Hz, this IC is suitable for noise-sensitive designs.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it versatile for different environmental conditions.
- Low Quiescent Current: Consumes a typical quiescent current of 100µA, which is beneficial for power-efficient designs.
- Compact Package: Housed in a SOT-23-3 package, making it ideal for space-constrained applications.
- RoHS Compliant: Meets RoHS standards, ensuring environmental compliance.
Applications
- Power Supplies: Used in voltage regulation and monitoring in power supply units.
- Instrumentation: Suitable for precision measurement instruments requiring stable voltage references.
- Industrial Control Systems: Employed in control systems that demand high accuracy and reliability.
- Medical Devices: Used in medical equipment where precise voltage references are critical.
- Aerospace and Defense: Applied in various aerospace and defense applications due to its robust performance over a wide temperature range.
Q & A
- What is the nominal output voltage of the REF3133AIDBZT?
The nominal output voltage is 3.3V with an accuracy of ±0.2%.
- What is the package type of the REF3133AIDBZT?
The package type is SOT-23-3.
- What is the maximum output current of the REF3133AIDBZT?
The maximum output current is 10mA.
- What is the operating temperature range of the REF3133AIDBZT?
The operating temperature range is from -40°C to 125°C.
- Is the REF3133AIDBZT RoHS compliant?
Yes, the REF3133AIDBZT is RoHS compliant).
- What is the typical quiescent current of the REF3133AIDBZT?
The typical quiescent current is 100µA).
- What are the dimensions of the REF3133AIDBZT package?
The dimensions are 2.92mm x 1.3mm x 1mm).
- What is the line regulation of the REF3133AIDBZT?
The line regulation is 65 ppm/V).
- What is the noise level of the REF3133AIDBZT from 0.1Hz to 10Hz?
The noise level is 43 µVpp (typ)).
- What are some typical applications of the REF3133AIDBZT?
Typical applications include power supplies, instrumentation, industrial control systems, medical devices, and aerospace and defense applications).
