REF6233IDGKR

Temperature Coefficient:	3ppm/°C
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Current - Supply:	1.1mA
Voltage - Input:	3.55 V ~ 5.5 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	3µVp-p
Series:	--
Tolerance:	±0.05%
Current - Output:	4mA
Voltage - Output (Min/Fixed):	3.3V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

REF6233IDGKR is a voltage reference developed by Texas Instruments Incorporated. It is a differential input, high accuracy sample-and-hold circuit that allows users to accurately measure and control the voltage of various systems. It is categorized as a PMIC (Power Management IC) and is widely used in a variety of applications, such as automotive, computer, telecommunications, power supply and more. In this article, we will discuss the application field and the working principle of REF6233IDGKR.

Application field

REF6233IDGKR is primarily used in applications where high accuracy and tight control of voltage are necessary. For example, it can be used to provide a stable reference voltage in sensitive system monitoring applications such as voltage supply for automated test equipment, power supply design, power system supplies and telecommunication systems. The reference voltage of REF6233IDGKR can also be used for circuit design in high speed designs and for sensing temperature in automotive designs.

Working principle

REF6233IDGKR works by using a differential input amplifier to convert a reference voltage (VREF) into a difference in high level and low level signals. This differential input is then routed to the sample and hold module, which utilizes a high-force gain transistor to accurately hold the input voltage regardless of changes in temperature.The output of the sample and hold module is then fed to the pre-amplifier, which amplifies the reference voltage with a high gain, low-offset error amplifier. The pre-amplifier also includes an output filter to minimize unwanted high-frequency noise. The output of the pre-amplifier is then used to drive the output buffer, which is responsible for driving the load on the output.In summary, REF6233IDGKR works by using a differential input amplifier to convert a reference voltage (VREF) into a difference in high level and low level signals. The signals are then routed to the sample and hold module, which holds the input voltage even if there are changes in temperature. The output of the sample and hold module is then amplified by the pre-amplifier and driven by the output buffer to provide a stable reference voltage.

Conclusion

In conclusion, REF6233IDGKR is a PMIC voltage reference device that is used primarily for providing high accuracy and tight control of voltage in various applications. It works by using a differential input amplifier to convert a reference voltage (VREF) into a difference in high level and low level signals. The signals are then routed to the sample and hold module, which holds the input voltage even if there are changes in temperature. The amplified output is then used to drive the output buffer to provide a stable reference voltage.

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