MAX6341CSA

Noise - 0.1Hz to 10Hz:	2.4µVp-p
Base Part Number:	MAX6341
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Current - Supply:	3.2mA
Voltage - Input:	8 V ~ 36 V
Noise - 10Hz to 10kHz:	2µVrms
Series:	--
Temperature Coefficient:	1ppm/°C
Tolerance:	±0.02%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	4.096V
Output Type:	Fixed
Reference Type:	Series, Buried Zener
Part Status:	Active
Packaging:	Tube

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Introduction to PMIC-Voltage ReferencePMIC or power management ICs are integrated circuits designed to regulate and manage the power present in systems. The majority of the power control functions such as current regulation, voltage regulation, current limitation and even voltage reference, are handled by PMICs. Voltage references are specifically used for voltage measurement and voltage stabilization; providing a stable reference voltage to power systems.MAX6341CSA OverviewThe MAX6341CSA is a micropower, high-accuracy voltage reference chip with a guaranteed 0.1 percent initial accuracy and a 0.1 percent temperature coefficient. The device operates with a single power supply range between 2.7V and 10.5V and can also be powered from a single lithium-ion cell. The device is also provided with a low-current shutdown mode which aids in maintaining the power efficiency of terminals. This device is available in a 3-pin surface-mount microSOT package and draws only 800nA of quiescent current when running, which makes it one of the most efficient voltage references in the market. Applications of the MAX6341CSAThe MAX6341CSA is typically used in systems where low power consumption and precisely regulated voltage is of primary importance. The device can be used in conjunction with other PMICs to provide a stable reference voltage to various circuits. This device can be particularly useful in applications such as smoke detectors, handheld applications and even medical equipment. Additionally, due to its low power drawing capability and wide operating range, this device is also utilized to provide operating voltage to LCD displays.Working Principle of the MAX6341CSAThe device utilizes a bandgap reference topology to provide a stable reference voltage of its own. This means that the device generates a reference voltage based on the bandgap voltage of silicon rather than the ambient temperature. It has a differential amplifying output stage which can provide a low offset voltage and a matched temperature coefficient, ensuring the output voltage to remain stable by temperature variations. This reference voltage is then provided to the voltage applied at the input of the device and is regulated through an error amplifier. This ensures that the reference voltage supplied by the device remains constant irrespective of any external disturbances. In addition to the regulation of reference voltage, the device also utilizes a low power shutdown mode. This mode is triggered by a voltage below 0.4V that is applied to the shutdown control pin. This feature helps the device to reduce its quiescent current consumption to only 0.1µA, making sure that the system runs effectively even at low power.ConclusionThe MAX6341CSA is a high-accuracy voltage reference chip that can be used in applications that require precise voltage regulation. The device offers a range of features such as a low-current shutdown mode, ultra-small microSOT packaging and excellent accuracy. The device utilizes a bandgap reference topology to generate its own reference voltage and is capable of regulating voltage precisely to ensure its stability. This makes the device an excellent choice for applications such as smoke detectors, medical equipment and LCD displays.

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