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LM4040A20IDBZR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Reference
Characteristics: - Precision voltage reference - Low dropout voltage - High accuracy and stability - Wide operating temperature range - Small package size - Low power consumption
Package: SOT-23-3
Essence: The LM4040A20IDBZR is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.
Packaging/Quantity: The LM4040A20IDBZR is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.
Specifications
- Output Voltage: 2.048V
- Initial Accuracy: ±0.1%
- Temperature Coefficient: ±50ppm/°C
- Dropout Voltage: 60mV (typical)
- Operating Temperature Range: -40°C to +85°C
- Supply Voltage Range: 2.7V to 10V
- Quiescent Current: 60µA (typical)
Detailed Pin Configuration
The LM4040A20IDBZR has three pins:
- VOUT: Output voltage pin.
- GND: Ground pin.
- VIN: Input voltage pin.
Functional Features
- Precise Voltage Reference: The LM4040A20IDBZR provides a highly accurate and stable output voltage of 2.048V, making it suitable for applications requiring precise voltage references.
- Low Dropout Voltage: With a low dropout voltage of only 60mV, the LM4040A20IDBZR can operate efficiently even when the input voltage is close to the desired output voltage.
- Wide Operating Temperature Range: The IC can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environmental conditions.
- Low Power Consumption: The LM4040A20IDBZR consumes only 60µA of quiescent current, ensuring minimal power consumption in battery-powered applications.
Advantages and Disadvantages
Advantages: - High accuracy and stability - Small package size - Wide operating temperature range - Low dropout voltage - Low power consumption
Disadvantages: - Fixed output voltage (2.048V) - Limited supply voltage range (2.7V to 10V)
Working Principles
The LM4040A20IDBZR is based on a bandgap reference circuit that generates a stable voltage reference using temperature-dependent properties of semiconductor materials. It utilizes a precision trimming technique to achieve high accuracy and stability.
Detailed Application Field Plans
The LM4040A20IDBZR is widely used in various electronic devices and applications, including but not limited to: - Precision analog-to-digital converters (ADCs) - Voltage regulators - Battery management systems - Test and measurement equipment - Industrial control systems - Portable electronic devices
Detailed and Complete Alternative Models
- LM4040A10IDBZR: 1.024V output voltage variant.
- LM4040A30IDBZR: 3.0V output voltage variant.
- LM4040A50IDBZR: 5.0V output voltage variant.
- LM4040CIM3-2.5/NOPB: 2.5V output voltage variant in SOT-23 package.
- LM4040DIZ-10.0/NOPB: 10.0V output voltage variant in TO-92 package.
These alternative models provide different output voltage options to suit specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM4040A20IDBZR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LM4040A20IDBZR:
Q: What is LM4040A20IDBZR? A: LM4040A20IDBZR is a precision voltage reference IC that provides a stable and accurate voltage output of 2.048V.
Q: What is the typical application of LM4040A20IDBZR? A: LM4040A20IDBZR is commonly used as a voltage reference in various technical solutions, such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and sensor calibration circuits.
Q: What is the voltage accuracy of LM4040A20IDBZR? A: The voltage accuracy of LM4040A20IDBZR is typically ±0.1% at room temperature.
Q: What is the operating temperature range of LM4040A20IDBZR? A: LM4040A20IDBZR can operate within a temperature range of -40°C to +85°C.
Q: Can LM4040A20IDBZR be used in battery-powered applications? A: Yes, LM4040A20IDBZR has low power consumption and can be used in battery-powered applications.
Q: Does LM4040A20IDBZR require an external capacitor for stability? A: No, LM4040A20IDBZR does not require an external capacitor for stability. It is internally compensated.
Q: What is the output current capability of LM4040A20IDBZR? A: LM4040A20IDBZR can provide up to 15mA of output current.
Q: Is LM4040A20IDBZR available in different package options? A: Yes, LM4040A20IDBZR is available in various package options, such as SOT-23 and TO-92.
Q: Can LM4040A20IDBZR tolerate reverse voltage? A: No, LM4040A20IDBZR is not designed to tolerate reverse voltage. Reverse voltage should be avoided to prevent damage.
Q: Are there any application notes or reference designs available for LM4040A20IDBZR? A: Yes, Texas Instruments provides application notes and reference designs that can help with the implementation of LM4040A20IDBZR in different technical solutions. These resources can be found on their website.