MAX6138AEXR41+T

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	MAX6138
Supplier Device Package:	SC-70-3
Package / Case:	SC-70, SOT-323
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	73µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	64µVrms
Series:	--
Temperature Coefficient:	25ppm/°C
Tolerance:	±0.1%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	4.096V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX6138AEXR41+T Application Field and Working Principle

The MAX6138AEXR41+T is a voltage reference optimized for high accuracy, low temperature coefficient, and low noise performance. It operate from a wide input voltage range of 1.2V to 16V and offers a wide range of selectable output voltages from 0.59-V to 7.0V. This MAX6138AEXR41+T precision voltage reference is suitable for use in high accuracy, low temperature coefficient, low noise precision designs.The MAX6138AEXR41+T is a fully integrated voltage reference featuring the industry’s first temperature stable, ultra-low noise 400µVp-p output ripple and ±0.2% initial accuracy. It features a temperature range from -40°C to +85°C with a maximum temperature drift of ±7ppm/°C of offset with no external trimming required. The MAX6138AEXR41+T also provides up to 35mA of output current drive and sub-microvolt ripple performance.The MAX6138AEXR41+T voltage reference has many advantageous features in comparison to the usual bandgap devices. Its design eliminates most of the thermal noise and offsets caused by conventional bandgap devices, providing improved accuracy and reliability. In addition, its low temperature sensitivity, wide supply voltage operation, and low noise performance make potential new applications possible.The MAX6138AEXR41+T is useful in applications such as video systems, A/D and D/A converters, data acquisition systems, instrumentation, medical systems, and motor controls. The MAX6138AEXR41+T is also used in temperature control and measurement systems and other least significant bit (LSB) voltage reference sensitive circuits.The MAX6138AEXR41+T uses a low precision two-stage bandgap reference architecture with a combination of a fractional-type runaway-supply circuit and a low power, cost-effective integrated linear regulator to achieve high accuracy and low noise performance. Its architecture is highly optimized for low temperature sensitivity and low noise performance.The MAX6138AEXR41+T employs a wide input voltage range of 1.2V to 16V and uses an internal surface mount resistor for setting output voltage levels. It requires an external current setting resistor for maximum output current limit. The resistor adjusts the output current limit of the device.The voltage regulator is a high performance low power, low noise linear regulator. It is capable of providing a maximum load current of 35mA from a single supply voltage and a maximum output voltage range of 0.59-V to 7.0V. It delivers a ±0.2% initial accuracy over the -40°C to +85°C temperature range and features a low temperature drift at only ±7ppm/°C.The MAX6138AEXR41+T voltage reference circuit provides a stable, low parasitic current and low ripple and noise output performance of 400µVp-p over the full temperature range and for any load within its current limit. It also uses a novel on-chip precision voltage divider for achieving accurate turn-on reference levels.In summary, the MAX6138AEXR41+T is a precision voltage reference optimized for high accuracy, low temperature coefficient, and low noise performance. It is suitable for use in a wide range of applications including video systems, data acquisition systems, instrumentation, and motor controls. Its wide input voltage range and wide output voltage range allows for easy implementation and flexibility in design. The device features a low maximum temperature drift of ±7ppm/°C and a low power, cost-effective integrated linear regulator for providing up to 35mA of output current drive and sub-microvolt ripple performance.

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