規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 15 mA |
| Tolerance | ±0.5% |
| Temperature Coefficient | 100ppm/°C |
| Noise - 10 Hzto10k Hz | 35µVrms |
| Current - Cathode | 80 µA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The LM4040C25IDCKR is a precision voltage reference component manufactured by Texas Instruments. It is part of the LM4040 series known for providing a stable reference voltage over a wide range of conditions. The "C25" indicates a specific reference voltage of 2.5 volts, while the "I" denotes an industrial temperature range. The "DCK" in the model number refers to the SOT-23 package type, which is a small, surface-mount package suitable for compact designs. The "R" at the end signifies that it is supplied in a reel for automated manufacturing processes.
This component is useful in applications where precise voltage reference is critical, such as in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision circuitry. It features low temperature coefficient, ensuring minimal variation in output voltage with changes in temperature, and low dynamic impedance, which provides stable operation even with varying load conditions. Its reliability and accuracy make it a popular choice in various industrial, automotive, and consumer electronics applications.
This component is useful in applications where precise voltage reference is critical, such as in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision circuitry. It features low temperature coefficient, ensuring minimal variation in output voltage with changes in temperature, and low dynamic impedance, which provides stable operation even with varying load conditions. Its reliability and accuracy make it a popular choice in various industrial, automotive, and consumer electronics applications.
Equivalent
The LM4040C25IDCKR is a precision voltage reference. Equivalent products include:
1. TL431 by Texas Instruments or ON Semiconductor – a programmable precision reference.
2. ADR5040 by Analog Devices – a micropower, low dropout precision shunt voltage reference.
3. LT1004 by Analog Devices – a micropower 2.5V shunt voltage reference.
4. REF3025 by Texas Instruments – a low drift, low power precision voltage reference.
These alternatives offer similar reference voltages and specifications. Always check the datasheets for compatibility.
1. TL431 by Texas Instruments or ON Semiconductor – a programmable precision reference.
2. ADR5040 by Analog Devices – a micropower, low dropout precision shunt voltage reference.
3. LT1004 by Analog Devices – a micropower 2.5V shunt voltage reference.
4. REF3025 by Texas Instruments – a low drift, low power precision voltage reference.
These alternatives offer similar reference voltages and specifications. Always check the datasheets for compatibility.
Features
The LM4040C25IDCKR is a precision voltage reference from Texas Instruments. Key features include:
1. Voltage Output: It provides a fixed output voltage of 2.5V.
2. Accuracy: Offers an initial accuracy of ±0.5%.
3. Temperature Coefficient: Low temperature coefficient, typically around 100 ppm/°C, ensuring stable performance across temperature variations.
4. Operating Current: Operates on a wide current range, typically from 60 µA to 15 mA.
5. Package: Available in a small SC-70 package, which saves board space.
6. Temperature Range: Designed to operate effectively within a temperature range of -40°C to +125°C.
7. Stability: Known for its excellent stability and low drift over time.
8. Applications: Ideal for use in precision instrumentation, data acquisition systems, and portable devices requiring stable voltage references.
9. Low Noise: Provides low output noise, enhancing signal integrity in sensitive applications.
These features make the LM4040C25IDCKR a reliable choice for applications requiring precise and stable voltage references.
1. Voltage Output: It provides a fixed output voltage of 2.5V.
2. Accuracy: Offers an initial accuracy of ±0.5%.
3. Temperature Coefficient: Low temperature coefficient, typically around 100 ppm/°C, ensuring stable performance across temperature variations.
4. Operating Current: Operates on a wide current range, typically from 60 µA to 15 mA.
5. Package: Available in a small SC-70 package, which saves board space.
6. Temperature Range: Designed to operate effectively within a temperature range of -40°C to +125°C.
7. Stability: Known for its excellent stability and low drift over time.
8. Applications: Ideal for use in precision instrumentation, data acquisition systems, and portable devices requiring stable voltage references.
9. Low Noise: Provides low output noise, enhancing signal integrity in sensitive applications.
These features make the LM4040C25IDCKR a reliable choice for applications requiring precise and stable voltage references.
Pinout
The LM4040C25IDCKR is a precision voltage reference device. It typically comes in a SOT-23 package, which has a 3-pin configuration. The primary function of the LM4040C25IDCKR is to provide a stable and precise voltage reference of 2.5 volts. This makes it suitable for use in a variety of applications, including data acquisition systems, voltage monitoring, and precision instrumentation.
The pins are usually configured as follows:
1. Cathode (K): Connects to the negative supply or ground.
2. Anode (A): Connects to the positive supply.
3. No Connection (NC) or sometimes a third pin for trimming, depending on the specific package variant.
These devices are known for their low temperature coefficient and high initial accuracy. The "C" in the part number indicates a specific tolerance and temperature coefficient rating. This reference is ideal for applications that require a dependable voltage source over varying conditions.
The pins are usually configured as follows:
1. Cathode (K): Connects to the negative supply or ground.
2. Anode (A): Connects to the positive supply.
3. No Connection (NC) or sometimes a third pin for trimming, depending on the specific package variant.
These devices are known for their low temperature coefficient and high initial accuracy. The "C" in the part number indicates a specific tolerance and temperature coefficient rating. This reference is ideal for applications that require a dependable voltage source over varying conditions.
Manufacturer
The LM4040C25IDCKR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of electronic components. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and embedded processing products. The company serves numerous industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is renowned for its commitment to quality, reliability, and sustainability in its products and operations.
Application
The LM4040C25IDCKR is a precision voltage reference, commonly used in applications where stable and accurate voltage is critical. Its application areas include data acquisition systems, portable equipment, industrial automation, and instrumentation. It is also used in ADCs (Analog-to-Digital Converters) and DACs (Digital-to-Analog Converters) for providing a stable reference voltage. Additionally, it can be used in power supplies and battery-operated devices to ensure consistent performance. Its small size and low power consumption make it suitable for compact and energy-efficient designs.
Package
The LM4040C25IDCKR is a precision voltage reference in a SOT-89 package type. It's a surface-mount device commonly used for applications requiring a stable voltage reference.
