REF1112AIDBZT
Precision 1.25V shunt voltage references in compact SOT-23 packages
Manufacturer： ti
series introduction
# REF1112AIDBZT Product Series Introduction
## 1. Overview
The REF1112AIDBZT product series is a high - performance voltage reference solution designed to meet the demanding requirements of various electronic applications. Voltage references are crucial components in electronic circuits as they provide a stable and accurate voltage level that other parts of the circuit can rely on for proper operation. The REF1112AIDBZT series stands out for its precision, low power consumption, and excellent temperature stability, making it a top choice for designers in multiple industries.
## 2. Key Features
### 2.1 High Precision
- The REF1112AIDBZT offers an extremely high level of output voltage accuracy. With a typical initial accuracy of ±0.05%, it can provide a very stable and precise voltage output. This high precision is essential in applications such as analog - to - digital converters (ADCs), digital - to - analog converters (DACs), and precision measurement equipment, where even small errors in the reference voltage can lead to significant inaccuracies in the overall system performance.
### 2.2 Low Temperature Coefficient
- Temperature variations can have a significant impact on the performance of voltage references. The REF1112AIDBZT series features a low temperature coefficient, typically in the range of 10 ppm/°C. This means that the output voltage of the reference changes very little over a wide temperature range. As a result, the circuit can maintain its accuracy and stability even in harsh environmental conditions, such as industrial settings or automotive applications where temperature fluctuations are common.
### 2.3 Low Power Consumption
- Power efficiency is a critical factor in modern electronic designs, especially in battery - powered devices. The REF1112AIDBZT consumes very low power, with a typical supply current of only a few microamperes. This low power consumption not only extends the battery life of portable devices but also reduces the heat dissipation in the circuit, which can improve the overall reliability of the system.
### 2.4 Wide Supply Voltage Range
- The series can operate over a wide supply voltage range, typically from 2.7V to 18V. This flexibility allows it to be used in a variety of power supply configurations, making it suitable for different types of electronic systems. Whether it is a low - voltage, battery - powered device or a high - voltage industrial application, the REF1112AIDBZT can adapt to the power supply requirements.
### 2.5 Small Package Size
- The REF1112AIDBZT is available in a small and space - saving package, such as the SOT - 23 - 5. This compact package is ideal for applications where board space is limited, such as in mobile devices, wearables, and other miniaturized electronic products. The small package size also helps to reduce the overall size and weight of the circuit, making it more suitable for portable and lightweight designs.
## 3. Applications
### 3.1 Precision Measurement
- In precision measurement equipment, such as multimeters, oscilloscopes, and data acquisition systems, the REF1112AIDBZT provides a stable and accurate reference voltage. This ensures that the measurements taken by these devices are highly precise and reliable, even in the presence of environmental factors such as temperature changes.
### 3.2 Analog - to - Digital and Digital - to - Analog Conversion
- ADCs and DACs require a precise reference voltage to accurately convert analog signals to digital values and vice versa. The high precision and low temperature coefficient of the REF1112AIDBZT make it an excellent choice for these applications, improving the resolution and accuracy of the conversion process.
### 3.3 Portable and Battery -
Images for reference
SOT-23-3
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