Overview
The LM4040C25IDBZTG4 is a precision micropower shunt voltage reference IC produced by Texas Instruments. This component is part of the LM4040 series, known for its high accuracy and low temperature coefficient. The LM4040C25IDBZTG4 provides a fixed output voltage of 2.5V, making it suitable for a variety of applications requiring stable voltage references.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LM4040C25IDBZTG4 |
| Reference Type | Shunt |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 15 mA |
| Tolerance | ±0.5% |
| Temperature Coefficient | 100 ppm/°C |
| Noise - 10Hz to 10kHz | 35 µVrms |
| Current - Cathode | 80 µA |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-3 |
| RoHS Status | ROHS3 Compliant |
Key Features
- Precision Voltage Reference: Provides a highly accurate fixed output voltage of 2.5V with a tolerance of ±0.5%.
- Low Temperature Coefficient: Features a temperature coefficient of 100 ppm/°C, ensuring stable output voltage across a wide temperature range.
- Low Noise: Offers low noise performance with 35 µVrms in the 10Hz to 10kHz frequency range.
- Low Current Consumption: Operates with a minimum cathode current of 80 µA, making it suitable for low-power applications.
- Compact Package: Available in the SOT-23-3 package, ideal for space-constrained designs.
- Wide Operating Temperature Range: Functions from -40°C to 85°C, making it versatile for various environmental conditions.
Applications
- Power Supply Regulation: Used in voltage regulator circuits to provide a stable reference voltage.
- ADC and DAC References: Suitable as a reference voltage for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
- Instrumentation and Measurement: Employed in precision measurement instruments where stable voltage references are crucial.
- Industrial Control Systems: Used in control systems that require accurate and stable voltage references.
- Medical Devices: Applied in medical equipment where precision and reliability are essential.
Q & A
- What is the output voltage of the LM4040C25IDBZTG4?
The output voltage of the LM4040C25IDBZTG4 is 2.5V.
- What is the tolerance of the output voltage?
The tolerance of the output voltage is ±0.5%.
- What is the temperature coefficient of the LM4040C25IDBZTG4?
The temperature coefficient is 100 ppm/°C.
- What is the minimum cathode current required for the LM4040C25IDBZTG4?
The minimum cathode current is 80 µA.
- What is the operating temperature range of the LM4040C25IDBZTG4?
The operating temperature range is -40°C to 85°C.
- What package type is the LM4040C25IDBZTG4 available in?
The component is available in the SOT-23-3 package.
- Is the LM4040C25IDBZTG4 RoHS compliant?
Yes, the LM4040C25IDBZTG4 is ROHS3 compliant.
- What are some common applications of the LM4040C25IDBZTG4?
Common applications include power supply regulation, ADC and DAC references, instrumentation and measurement, industrial control systems, and medical devices.
- How much noise does the LM4040C25IDBZTG4 produce in the 10Hz to 10kHz frequency range?
The noise in the 10Hz to 10kHz frequency range is 35 µVrms.
- What is the maximum output current of the LM4040C25IDBZTG4?
The maximum output current is 15 mA.
