| Allicdata Part #: | LM4040BIM3X-3.0TR-ND |
| Manufacturer Part#: |
LM4040BIM3X-3.0 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC VREF SHUNT 3V SOT23-3 |
| More Detail: | Shunt Voltage Reference IC ±0.2% 15mA SOT-23-3 |
| DataSheet: |  LM4040BIM3X-3.0 Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Noise - 0.1Hz to 10Hz: | -- |
| Base Part Number: | LM4040 |
| Supplier Device Package: | SOT-23-3 |
| Package / Case: | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Current - Cathode: | 67µA |
| Current - Supply: | -- |
| Voltage - Input: | -- |
| Noise - 10Hz to 10kHz: | 35µVrms |
| Series: | -- |
| Temperature Coefficient: | 100ppm/°C |
| Tolerance: | ±0.2% |
| Current - Output: | 15mA |
| Voltage - Output (Min/Fixed): | 3V |
| Output Type: | Fixed |
| Reference Type: | Shunt |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
Description
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The LM4040BIM3X-3.0 is a 3.0V precision micropower shunt voltage reference device, which is part of the family of micropower, low-dropout voltage references manufactured by Texas Instruments. It is a member of the Precision Micropower Voltage References family, and it comes in a small 3-pin SOT-23 package. This device is ideal for use in power management applications and electronic instrumentation, where precision voltage reference accuracy, fast transient response, and low power consumption are important.The LM4040BIM3X-3.0 has an incredibly low ohmic resistance of 500 μΩ plus 10 μΩ per volt of output and comes with an integrated temperature sensor and built-in thermal regulation to maintain improved temperature performance across all environmental conditions. The device provides a low-power, low-noise, and low-dropout voltage reference solution, and offers the best-in-class temperature performance and excellent accuracy of ±0.5% max at 25°C over the full operational temperature range of -55°C to +125°C.Applications of the LM4040BIM3X-3.0 include power management systems, portable battery-powered devices, A/D and D/A converters, and motor drives. The device can also be used in power supply voltage distribution applications, where it provides a low-noise and low dropped-out voltage reference. It is designed to be used in low-voltage (3.3V or low) systems.The LM4040BIM3X-3.0 has three pins and a maximum of 25mA output current. The first pin is the output pin, which provides the 3.0V reference output voltage. The second pin is the REF input pin, which is connected to the ground to keep it an open circuit in order to obtain the 3.0V reference output. The last pin is the OV pin, which is connected to the value of the reference accurancy, or to the high voltage source for zero-error values.In terms of working principle, the LM4040BIM3X-3.0 operates by maintaining a constant voltage across the two resistors connected in series with the shunt reference. The voltage between the two resistors is monitored by a dedicated internal amplifier which maintains the reference voltage across the reference terminal. As current is drawn from the reference output, the LM4040BIM3X-3.0 regulates the voltage by adjusting the reference current sourced from the shunt. Thus, a very accurate 3.0V reference is maintained at the output over varying load current conditions.The device is also capable of providing a design voltage that is lower than the reference voltage. This can be accomplished by connecting the extra pin (REF) to a higher voltage than the reference voltage. This feature provides a design flexibility, allowing the user to easily reprogram the output voltage.Overall, the LM4040BIM3X-3.0 is an ideal voltage reference solution for power management systems, portable battery powered devices, A/D and D/A converters, motor drives, and power supply voltage distribution applications. Its wide input voltage range and ultra-low-dropout voltage reference make it perfect for applications that require high accuracy and low power consumption. Its wide temperature range and low self-heating make it an ideal choice for use in harsh environmental conditions.
The specific data is subject to PDF, and the above content is for reference
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