Overview
The REF3012AIDBZT is a precision, low-power, low-dropout voltage reference IC produced by Texas Instruments. This component is part of the REF30xx family and is designed to offer high accuracy and excellent temperature drift performance. It is packaged in a compact 3-pin SOT-23 package, making it suitable for a variety of applications where space is limited.
The REF3012AIDBZT operates with a reference voltage of 1.25V and has a typical quiescent current of 42 µA, making it highly efficient for battery-powered and portable devices. Its low dropout voltage of 1 mV and high output current capability of 25 mA further enhance its versatility.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Voltage | 1.25 | V |
| Initial Accuracy | ±0.2% | |
| Temperature Coefficient | 50 ppm/°C (0°C to 70°C) 75 ppm/°C (–40°C to +125°C) | |
| Quiescent Current (Iq) | 42 µA (Typical) | µA |
| Output Current | 25 mA | mA |
| Dropout Voltage | 1 mV | mV |
| Operating Temperature Range | –40°C to +125°C | °C |
| Package Type | SOT-23-3 | |
| Number of Pins | 3 | |
| RoHS Compliance | Yes |
Key Features
- MicroSize Package: Compact 3-pin SOT-23 package for space-saving designs.
- Low Dropout: 1 mV dropout voltage, allowing operation close to the output voltage.
- High Output Current: Capable of delivering up to 25 mA of output current.
- High Accuracy: Initial accuracy of ±0.2% ensures precise voltage reference.
- Low Quiescent Current: Typical quiescent current of 42 µA, suitable for low-power applications.
- Excellent Temperature Drift Performance: 50 ppm/°C from 0°C to 70°C and 75 ppm/°C from –40°C to +125°C.
- No Load Capacitor Required: Stable operation without the need for a load capacitor, making it suitable for intrinsically safe and explosion-proof applications.
Applications
The REF3012AIDBZT is ideal for various applications due to its high precision, low power consumption, and compact size. Some key applications include:
- Loop-Powered Industrial Applications: Suitable for pressure and temperature transmitter applications.
- Portable and Battery-Powered Devices: Low power consumption and high precision make it attractive for battery-powered devices.
- Intrinsically Safe and Explosion-Proof Applications: Does not require a load capacitor, making it easy to use in these environments.
Q & A
- What is the reference voltage of the REF3012AIDBZT?
The reference voltage is 1.25V.
- What is the typical quiescent current of the REF3012AIDBZT?
The typical quiescent current is 42 µA.
- What is the maximum output current of the REF3012AIDBZT?
The maximum output current is 25 mA.
- What is the dropout voltage of the REF3012AIDBZT?
The dropout voltage is 1 mV.
- What is the operating temperature range of the REF3012AIDBZT?
The operating temperature range is –40°C to +125°C.
- Does the REF3012AIDBZT require a load capacitor for stability?
No, it does not require a load capacitor for stability.
- What is the package type of the REF3012AIDBZT?
The package type is SOT-23-3.
- Is the REF3012AIDBZT RoHS compliant?
Yes, it is RoHS compliant.
- What are some typical applications for the REF3012AIDBZT?
Typical applications include loop-powered industrial applications, portable and battery-powered devices, and intrinsically safe and explosion-proof applications.
- What is the temperature coefficient of the REF3012AIDBZT?
The temperature coefficient is 50 ppm/°C from 0°C to 70°C and 75 ppm/°C from –40°C to +125°C.
