Allicdata Part #: | 296-26324-2-ND |
Manufacturer Part#: |
REF3033AIDBZR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC VREF SERIES 3.3V SOT23-3 |
More Detail: | Series Voltage Reference IC ±0.2% 25mA SOT-23-3 |
DataSheet: | REF3033AIDBZR Datasheet/PDF |
Quantity: | 9000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Reference Type: | Series |
Output Type: | Fixed |
Voltage - Output (Min/Fixed): | 3.3V |
Current - Output: | 25mA |
Tolerance: | ±0.2% |
Temperature Coefficient: | 75ppm/°C |
Noise - 0.1Hz to 10Hz: | 36µVp-p |
Noise - 10Hz to 10kHz: | 105µVrms |
Voltage - Input: | 3.35 V ~ 5.5 V |
Current - Supply: | 50µA |
Operating Temperature: | -40°C ~ 125°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23-3 |
Base Part Number: | REF3033 |
Description
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Today, with the development of microelectronic technology, the circuit requirements of voltage references have become more stringent. In order to meet the needs of different circuits and application fields, various types of voltage references have been developed. Of these, REF3033AIDBZR, which belongs to the PMIC (power management integrated circuit) voltage reference, is widely used in the industry. The following is an introduction to the application field and working principle of REF3033AIDBZR.REF3033AIDBZR is an improved and enhanced version of the original REF3033 voltage reference. It utilizes a 2-terminal E-Trim bandgap reference circuit, accurately trimmed and optimally adjusted to provide an initial accuracy of 0.04% and an output voltage of 2.5V±2mV. This ensures a very low output voltage drift over wide temperatures ranges of -40°C to +105°C and an output voltage stability of 2μV/VV for high-precision applications.The application fields of the REF3033AIDBZR include high accuracy instrumentation and precision analog-to-digital signal conversions. It can be configured as a low power, high accuracy reference for many signal processing instrumentation and signal acquisition systems. Additionally, its high accuracy, low power consumption and excellent temperature compensation make REF3033AIDBZR suitable as the reference voltage source for many standard and non-standard measurement systems.The working principle of REF3033AIDBZR is based on the principle of special junction thermal voltage stabilization. The core of the bandgap reference circuit is usually composed of two transistors, a PNP and an NPN, connected in the form of a current mirror. When the transistor is biased, a certain base current flows in the transistor, and then a bandgap voltage is generated between the two transistors, which is equal to the sum of the temperature coefficient of the two which are of opposite sign. This temperature coefficient is typically around -2.2mV/°C. The generated bandgap voltage remains constant with temperature and this technology is used to adjust the output voltage.The output voltage of the REF3033AIDBZR is subject to excessive current on the output terminal. To prevent this, the IC includes an on-chip overcurrent protection circuit. The overcurrent protection circuit uses a master slave discretization technique to detect the overcurrent condition and reduce the output when an overcurrent condition is detected. Other integrated features include an on-chip 0.9V low-power reference, an on-chip 200Ω resistor divider with an adjustable output voltage, and an optional output capacitor.In conclusion, the REF3033AIDBZR is a high precision voltage reference with excellent stability, accuracy, temperature compensation and low power consumption, which is suitable for various high-precision instrumentation and analog-to-digital signal conversion. Therefore, its application fields are very wide, and its working principle is also very complex and interesting.
The specific data is subject to PDF, and the above content is for reference
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