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LM4040D25QDBZR
+BOMIC VREF SHUNT 1% SOT23-3
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #LM4040D25QDBZR
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Bảng dữ liệu LM4040D25QDBZR DataSheet
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Gói SOT-23-3
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Có sẵn7244
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Reference Type | Shunt |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 2.5V |
| Current - Output | 15 mA |
| Tolerance | ±1% |
| Temperature Coefficient | 150ppm/°C |
| Noise - 10 Hzto10k Hz | 35µVrms |
| Current - Cathode | 80 µA |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The LM4040D25QDBZR features a low temperature coefficient, ensuring minimal variation in output voltage with changes in temperature. It operates over a wide temperature range, often from -40°C to 125°C, and has a low dynamic impedance, providing improved stability under varying load conditions. The device is easy to use, requiring minimal external components, and offers a cost-effective solution for reference voltage needs in various electronic systems.
Equivalent
1. TL431 - by Texas Instruments, adjustable precision shunt regulator.
2. ADR5040 - by Analog Devices, precision micropower shunt voltage reference.
3. LT1004 - by Analog Devices, precision micropower shunt voltage reference.
4. ZTL431 - by Diodes Incorporated, adjustable shunt regulator.
Ensure specifications like voltage, tolerance, and temperature range match your application requirements when selecting an equivalent.
Features
1. Precision Voltage: It provides a stable 2.5V reference voltage.
2. Low Temperature Coefficient: Ensures minimal variation in output voltage across temperature changes.
3. Low Output Noise: Reduces interference, enhancing performance in sensitive applications.
4. Wide Operating Range: Functions effectively over a broad range of temperatures and supply voltages.
5. Small Package: Available in compact SOT-23 and other small-footprint packages, suitable for space-constrained designs.
6. Low Power Consumption: Optimized for low power applications, minimizing energy usage.
7. High Initial Accuracy: Provides precise output with minimal initial error.
8. Easy Integration: Compatible with standard design practices, simplifying inclusion in various circuits.
These features make the LM4040D25QDBZR ideal for applications requiring reliable and precise voltage references, such as instrumentation, data acquisition systems, and portable devices.
Pinout
1. Pin 1 (Anode): This is the anode terminal of the LM4040. It is typically connected to the ground or negative side of the circuit.
2. Pin 2 (Cathode): This is the cathode terminal, where the reference voltage is developed. For the LM4040D25, this would be approximately 2.5 volts. The cathode is usually connected to the load or positive side of the circuit.
3. Pin 3 (No Connection or Optional): In many applications, the third pin may be left unconnected or used for additional features depending on the specific configuration or variant of the device.
The LM4040 series is used for providing a stable voltage reference in precision applications. It’s designed for ease of use and provides excellent performance in a small package.
Manufacturer
Application
1. Data Acquisition Systems: Provides stable voltage reference for ADCs.
2. Instrumentation: Ensures consistency and accuracy in measurement systems.
3. Battery-Powered Devices: Offers low power consumption for efficient power management.
4. Industrial Control Systems: Maintains reliable operation under varying conditions.
5. Medical Equipment: Supplies precise voltage reference crucial for sensitive applications.
6. Automotive Systems: Supports stable voltage reference in electronic control units.
7. Communication Equipment: Ensures signal integrity with consistent voltage levels.
These applications benefit from its precision, low power consumption, and stability over temperature variations.