LM4040C30IDBZTG4

Precision 3V micropower shunt voltage references with 0.5% accuracy

Manufacturer: ti

series introduction

# Introduction to the LM4040C30IDBZTG4 Product Series

## 1. Overview
The LM4040C30IDBZTG4 belongs to a highly reliable and precision voltage reference product series. Voltage references are crucial components in electronic circuits as they provide a stable and accurate voltage level, which is essential for the proper functioning of various analog and digital systems. This particular series is designed to meet the demanding requirements of modern electronic applications, offering high precision, low power consumption, and excellent temperature stability.

## 2. Key Features

### 2.1 High Precision
- **Accurate Output Voltage**: The LM4040C30IDBZTG4 is engineered to provide a precise output voltage of 3.0V. This high level of accuracy is achieved through advanced manufacturing processes and internal calibration techniques. The tight tolerance ensures that the output voltage remains within a very narrow range, typically with an initial accuracy of ±0.5%. This makes it suitable for applications where precise voltage levels are critical, such as in analog - to - digital converters (ADCs), digital - to - analog converters (DACs), and precision measurement equipment.
- **Low Temperature Coefficient**: Temperature variations can significantly affect the performance of voltage references. However, this product series features a low temperature coefficient, typically in the range of 20ppm/°C. This means that the output voltage changes very little with temperature fluctuations, ensuring stable operation over a wide temperature range from - 40°C to 125°C.

### 2.2 Low Power Consumption
- **Quiescent Current**: The LM4040C30IDBZTG4 has a very low quiescent current, typically around 60μA. This low power consumption makes it ideal for battery - powered applications, where minimizing power usage is essential to extend battery life. It can operate efficiently in portable devices such as smartphones, tablets, and wearable electronics without draining the battery quickly.

### 2.3 Small Package Size
- **SOT - 23 Package**: The product is available in a compact SOT - 23 package. This small form factor allows for easy integration into space - constrained circuit boards. It is suitable for applications where board real estate is limited, such as in miniaturized electronic devices and densely populated printed circuit boards (PCBs).

### 2.4 Excellent Line and Load Regulation
- **Line Regulation**: It offers excellent line regulation, which means that the output voltage remains stable even when the input voltage varies. This is important in applications where the power supply voltage may fluctuate. For example, in automotive electronics, where the battery voltage can vary depending on the vehicle's operating conditions, the LM4040C30IDBZTG4 can maintain a stable output voltage.
- **Load Regulation**: The load regulation of this product is also very good. It can supply a stable output voltage even when the load current changes. This makes it suitable for a wide range of load conditions, from light - load to heavy - load applications.

## 3. Applications

### 3.1 Industrial Automation
- **Process Control**: In industrial process control systems, precise voltage references are required for accurate measurement and control of various parameters such as temperature, pressure, and flow. The LM4040C30IDBZTG4 can be used in ADCs and DACs to ensure accurate conversion of analog signals, enabling precise control of industrial processes.
- **Sensor Calibration**: Many industrial sensors require a stable voltage reference for calibration. This product series can provide the necessary accurate voltage to calibrate sensors, ensuring reliable and accurate sensor readings.

### 3.2 Consumer Electronics
- **Smartphones and Tablets**: In mobile devices, the LM4040C3

Images for reference

SOT-23-3

SOT-23-3

Datasheets

Partlist

LM4040C30IDBZTG4