LT1790BIS6-2.048#TRMPBF Integrated Circuits (ICs) |
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| Allicdata Part #: | LT1790BIS6-2.048#TRMPBFTR-ND |
| Manufacturer Part#: |
LT1790BIS6-2.048#TRMPBF |
| Price: | $ 1.29 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC VREF SERIES 2.048V SOT23-6 |
| More Detail: | Series Voltage Reference IC ±0.1% 5mA TSOT-23-6 |
| DataSheet: |  LT1790BIS6-2.048#TRMPBF Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1 +: | $ 1.29000 |
| 10 +: | $ 1.25130 |
| 100 +: | $ 1.22550 |
| 1000 +: | $ 1.19970 |
| 10000 +: | $ 1.16100 |
Specifications
| Temperature Coefficient: | 25ppm/°C |
| Base Part Number: | LT1790 |
| Supplier Device Package: | TSOT-23-6 |
| Package / Case: | SOT-23-6 Thin, TSOT-23-6 |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Current - Supply: | 75µA |
| Voltage - Input: | 2.8 V ~ 18 V |
| Noise - 10Hz to 10kHz: | 41µVrms |
| Noise - 0.1Hz to 10Hz: | 22µVp-p |
| Series: | -- |
| Tolerance: | ±0.1% |
| Current - Output: | 5mA |
| Voltage - Output (Min/Fixed): | 2.048V |
| Output Type: | Fixed |
| Reference Type: | Series |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Tape & Reel (TR) |
Description
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Introduction of PMIC - Voltage Reference
Power Management IC (PMIC) voltage reference has been increasingly in demand due to the growth of various electronics applications such as computers, smartphones, tablets and other consumer products. A voltage reference is a device that provides a stable reference voltage value that is used in analog and mixed-signal circuitry. A voltage reference is necessary to ensure accurate readings of the input or output when measuring or controlling any type of component. The LT1790BIS6-2.048#TRMPBF is one such example of a power management IC (PMIC). This article will discuss the application fields and working principles of the device.Applications of LT1790BIS6-2.048#TRMPBF
The LT1790BIS6-2.048#TRMPBF is a precision, temperature stable voltage reference from Linear Technology. It has a low output noise of 34μV RMS and is suitable for applications where accuracy, stability and low noise are required, such as laptop computers, digital camera, high resolution ADC, or any precise high frequency analog measurement systems. It also provides a low drift of typically 0.05 ppm/°C over the –40°C to 125°C range.The device has a wide range of available setups and packages, including TO-220 and 8-lead MSOP. The LT1790BIS6-2.048#TRMPBF also has low current consumption with a maximum quiescent current of 1mA of (+)5V. It is also suitable for battery-powered applications because of its guaranteed performance at low supply voltage of 2.5V.Working Principles of LT1790BIS6-2.048#TRMPBF
The LT1790BIS6-2.048#TRMPBF adopts a Simple-zener reference topology. It has two low-noise complementary emitter-coupled transistors, CTrans1 and CTrans2, which form a differential pair. The differential pair is operated in Class A mode with a 50μA bias current.For better stability and accuracy, the LT1790BIS6-2.048#TRMPBF operates with a precision regulated +15V and –15V supply input. The output voltage is set by the ratio of (R3+R4 +R7+R8)/R4 and the maximum temperature drift is improved by the DRC (Dynamic Reference Control).The gain-bandwidth product of the LT1790BIS6-2.048#TRMPBF is 10MHz, and it has a slew rate of 0.008V/μs. The device is well equipped with other features including an internal ESD protection, an open circuit protection and a reverse-battery protection. It is also protected against overvoltage transients and has a self-regulation feature when the input power is changed.Conclusion
The LT1790BIS6-2.048#TRMPBF is a precision, temperature stable voltage reference from Linear Technology. It has a wide range of available packages and setups and has a low-noise output suitable for various applications. The device has a Simple-zener topology with two emitter-coupled transistors and low-consumption performance. It has a gain-bandwidth of 10MHz, a slew rate of 0.008V/μs, and is equipped with other features, such as ESD protection, an open circuit protection and a reverse-battery protection. The LT1790BIS6-2.048#TRMPBF is thus an ideal choice for applications that require a reliable, temperature-stable voltage reference.The specific data is subject to PDF, and the above content is for reference
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