Overview
The REF3133AIDBZTG4, produced by Texas Instruments, is part of the REF31xx family of precision, low power, low dropout, series voltage references. These devices are packaged in the compact 3-pin SOT-23 package, making them ideal for portable and battery-powered applications. The REF3133AIDBZTG4 is characterized by its high accuracy, low power consumption, and excellent temperature drift performance, making it suitable for a variety of applications requiring stable voltage references.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.2934 to 3.3066 | V |
| Initial Accuracy | ±0.2% | % |
| Output Voltage Noise (0.1 Hz to 10 Hz) | 43 μVPP | μVPP |
| Output Voltage Noise (10 Hz to 10 kHz) | 63 μVRMS | μVRMS |
| Temperature Drift (0°C to 70°C) | 5 to 15 ppm/°C | ppm/°C |
| Temperature Drift (–40°C to +125°C) | 10 to 20 ppm/°C | ppm/°C |
| Quiescent Current (Typical) | 100 μA | μA |
| Quiescent Current (Maximum) | 135 μA | μA |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | SOT-23 (3-pin) | |
| Body Size (Nominal) | 2.92 mm × 1.30 mm | mm |
Key Features
- MicroSize Package: Available in the tiny 3-pin SOT-23 package, ideal for space-constrained applications.
- Low Dropout: Dropout voltage as low as 5 mV.
- High Output Current: Capable of sourcing or sinking up to ±10 mA of output current.
- High Accuracy: Initial accuracy of ±0.2%.
- Low Power Consumption: Typical quiescent current of 100 μA.
- Excellent Temperature Drift Performance: Maximum temperature drift of 15 ppm/°C from 0°C to 70°C and 20 ppm/°C from –40°C to +125°C.
- No Load Capacitor Required: Stable with any capacitive load.
Applications
- Portable, Battery-Powered Equipment: Ideal for devices where low power consumption and small size are critical.
- Data Acquisition Systems: Provides stable voltage references necessary for accurate data conversion.
- Medical Equipment: Suitable for medical devices requiring precise voltage references.
- Hand-Held Test Equipment: Used in various handheld test and measurement devices.
Q & A
- What is the output voltage of the REF3133AIDBZTG4?
The output voltage of the REF3133AIDBZTG4 is between 3.2934 V and 3.3066 V.
- What is the typical quiescent current of the REF3133AIDBZTG4?
The typical quiescent current is 100 μA.
- What is the maximum temperature drift of the REF3133AIDBZTG4?
The maximum temperature drift is 15 ppm/°C from 0°C to 70°C and 20 ppm/°C from –40°C to +125°C.
- Does the REF3133AIDBZTG4 require a load capacitor?
No, it does not require a load capacitor but is stable with any capacitive load.
- What is the operating temperature range of the REF3133AIDBZTG4?
The operating temperature range is –40°C to +125°C.
- What is the package type of the REF3133AIDBZTG4?
The package type is SOT-23 (3-pin).
- What are some common applications of the REF3133AIDBZTG4?
Common applications include portable and battery-powered equipment, data acquisition systems, medical equipment, and hand-held test equipment.
- How much output current can the REF3133AIDBZTG4 source or sink?
The REF3133AIDBZTG4 can source or sink up to ±10 mA of output current.
- What is the initial accuracy of the REF3133AIDBZTG4?
The initial accuracy is ±0.2%.
- What is the dropout voltage of the REF3133AIDBZTG4?
The dropout voltage is as low as 5 mV.
