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LM4140BCM
+BOMTHREE TERMINAL VOLTAGE REFERENCE
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ManufacturerNational Semiconductor
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Mfr. Part #LM4140BCM
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Package 8-SOIC (0.154", 3.90mm Width)
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In Stock4357
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Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Active |
Overview
Description
The LM4140BCM is notable for its low output noise, high initial accuracy, and low long-term drift, enhancing reliability in sensitive applications like data acquisition systems, industrial controls, and instrumentation. Its compact size and low power consumption make it suitable for portable and space-constrained applications. The device typically requires a supply voltage slightly higher than its output voltage and includes internal circuitry to maintain a stable output under varying loads and conditions. Overall, the LM4140BCM is valued for its precision and reliability across numerous high-accuracy electronic designs.
Equivalent
Features
1. High Precision: It offers precise output voltages with a typical initial accuracy of 0.1%, making it suitable for applications demanding high precision.
2. Low Temperature Coefficient: The device exhibits a low temperature coefficient of 3 ppm/°C, ensuring minimal drift over temperature changes.
3. Low Noise: The LM4140BCM provides low output noise, reducing interference in sensitive applications.
4. Wide Operating Range: It operates over a wide temperature range, typically from -40°C to +85°C.
5. Low Supply Current: With low quiescent current consumption, it is energy-efficient, which is beneficial for battery-powered devices.
6. Adjustable Output: Some variants allow for adjustable output voltage, offering flexibility in design.
7. Package Options: Available in various compact package options, facilitating easy integration into different designs.
These features make the LM4140BCM an ideal choice for precision measurement systems, data acquisition, and other applications requiring stable reference voltages.
Pinout
1. Pin 1 (NC): No connection.
2. Pin 2 (Vin): This is the input pin where the supply voltage is connected.
3. Pin 3 (GND): Ground pin.
4. Pin 4 (NC): No connection.
5. Pin 5 (FB): Feedback pin, used for external trimming or no connection if trimming is not required.
6. Pin 6 (NC): No connection.
7. Pin 7 (Vout): The output pin where the reference voltage is available.
8. Pin 8 (NC): No connection.
The LM4140 is primarily used in applications requiring high precision, such as data acquisition systems, test equipment, and other high-performance electronic systems.