Overview
The REF1112AIDBZT, produced by Texas Instruments, is a two-terminal shunt voltage reference designed for power and space-sensitive applications. This device features an operating current of 1μA in a compact SOT23-3 package, making it an ideal replacement for larger voltage references such as the REF1004 and LT1004. The REF1112 is specified to operate from –40°C to +85°C, with extended operation up to +125°C, making it versatile for various environmental conditions.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOT23-3 |
| Pins | 3 |
| Operating Temperature Range (°C) | –40 to +125 |
| Fixed Reverse Breakdown Voltage | 1.25V |
| Output Voltage Tolerance (maximum) | ±0.2% |
| Low Output Noise (0.1Hz to 10Hz) (typical) | 25µVpp |
| Operating Current Range | 1.2µA to 5mA |
| Temperature Coefficient (0°C to +70°C) (maximum) | 30ppm/°C |
| Temperature Coefficient (–40°C to +85°C) (maximum) | 50ppm/°C |
Key Features
- Small package: SOT23-3, ideal for space-sensitive designs.
- Fixed reverse breakdown voltage of 1.25V.
- Low operating current of 1μA, suitable for low-power applications.
- High precision with output voltage tolerance of ±0.2% (maximum).
- Low output noise of 25µVpp (typical) from 0.1Hz to 10Hz.
- Wide operating temperature range from –40°C to +125°C.
- Low temperature coefficient, ensuring stable performance across various temperatures.
Applications
The REF1112AIDBZT is designed for use in power and space-sensitive applications, making it suitable for a variety of industries and use cases, including:
- Portable electronics where low power consumption is critical.
- Industrial control systems requiring high precision and reliability.
- Aerospace and automotive applications where temperature stability is essential.
- Medical devices that demand low noise and high accuracy.
Q & A
- What is the operating current of the REF1112AIDBZT?
The operating current of the REF1112AIDBZT is 1μA.
- What is the package type of the REF1112AIDBZT?
The REF1112AIDBZT comes in a SOT23-3 package.
- What is the fixed reverse breakdown voltage of the REF1112AIDBZT?
The fixed reverse breakdown voltage is 1.25V.
- What is the output voltage tolerance of the REF1112AIDBZT?
The output voltage tolerance is ±0.2% (maximum).
- What is the typical low output noise of the REF1112AIDBZT?
The typical low output noise is 25µVpp from 0.1Hz to 10Hz.
- What is the operating temperature range of the REF1112AIDBZT?
The operating temperature range is from –40°C to +125°C.
- What is the temperature coefficient of the REF1112AIDBZT from 0°C to +70°C?
The temperature coefficient from 0°C to +70°C is 30ppm/°C (maximum).
- What is the temperature coefficient of the REF1112AIDBZT from –40°C to +85°C?
The temperature coefficient from –40°C to +85°C is 50ppm/°C (maximum).
- In what types of applications is the REF1112AIDBZT commonly used?
The REF1112AIDBZT is commonly used in portable electronics, industrial control systems, aerospace, automotive, and medical devices.
- Does the REF1112AIDBZT complement other low-power components from Texas Instruments?
