LTC1258CS8#PBF

Temperature Coefficient:	40ppm/°C
Base Part Number:	LTC1258
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:	8.5µA
Voltage - Input:	2.585 V ~ 12.6 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	8µVp-p
Series:	LTC1258
Tolerance:	±0.4%
Current - Output:	10mA
Voltage - Output (Max):	12.4V
Voltage - Output (Min/Fixed):	2.385V
Output Type:	Adjustable
Reference Type:	Series
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The LTC1258CS8#PBF is an adjustable precision voltage reference integrated circuit (IC) used in various applications in power management, logic, and system level circuits. It is designed to provide an accurate, selectable, and stable voltage source in a wide range of voltage and current operations. The device is available in a variety of output voltages and packages, and can be used to provide a common reference point for multiple systems, circuits, networks and systems.

PMIC - Voltage Reference

The LTC1258CS8#PBF is classified as a PMIC – Voltage Reference. This is a general purpose voltage reference, which means that it can be used for multiple outputs with different voltages and current levels. For example, the LTC1258CS8#PBF can be used for microprocessor, logic, or power management applications.The LTC1258CS8#PBF is an adjustable voltage reference integral circuit. It is designed for precision performances and can be used to provide accurate and stable voltage sources for a wide range of voltages and currents. The device features multiple output pins and a multitude of configuration options. These features allow the user to adjust the voltage to their desired level and configure the device according to the specific application situation.

Features and Benefits

The LTC1258CS8#PBF has a variety of features and benefits. These offer value to any application it is used in, including the following: • Low input voltage: The LTC1258CS8#PBF has a minimum input voltage of 3V, which will work for many applications. • High output current: The device features high output currents, allowing for a high degree of power and no need for additional external components.• Low power consumption: The device consumes very little power, reducing the cost and overall size of the application. • High accuracy: The device has a high accuracy rating of 0.2% over the entire operating temperature range. This ensures a high degree of precision and reliability.• Easy configuration: The device is easy to configure without the need for additional external components. The configuration can be done through the onboard registers, which range in output voltage levels. • Wide range of voltage options: The LTC1258CS8#PBF has a wide range available of voltage options, making it flexible and suitable for multiple applications. • Compact size: The device is packaged in an 8-pin SOIC and measures only 8.5mm x 8.5mm, making it very small and suitable for confined spaces.

Applications

The LTC1258CS8#PBF can be used in a variety of applications such as voltage regulation and monitoring, power management, logic and system level circuit, automotive applications, and communication systems. In power management applications, the LTC1258CS8#PBF is well-suited for power conversion, voltage regulation, and monitoring. The device can also be used in logic and system level circuits, providing an accurate and stable voltage source. The device also offers high accuracy voltage reference in communications systems, used in analog-to-digital converter (ADC) and digital-to-analog converter (DAC) operations.In automotive applications, the device can be used in car audio circuitry, where the precision of the device is required. The device can also be used in monitoring and automatically adjusting the voltage in the engine control unit (ECU).

Working Principle

The working principle of the LTC1258CS8#PBF is quite simple. When a voltage is applied to the input of the device, it will produce a constant output reference voltage. The output is generated from a temperature-stable band-gap reference circuit. This reference voltage is compared to the reference voltage applied to the input with the voltage error amplifier. This voltage error amplifier adjusts its output according to the difference in the input and output.The device also has multiple output pins which are used for different uses. For example, one pin can be used for a voltage output, while another can be configured for a current output. The device also has other pins for configuring the device into various modes.

Conclusion

The LTC1258CS8#PBF is an adjustable precision voltage reference integral circuit that can be used in multiple applications. It has a low input voltage, high output currents, low power consumption, high accuracy, easy configuration, and a wide range of voltage options. The device is packaged in an 8-pin SOIC and measures only 8.5mm x 8.5mm, making it suitable for confined spaces and versatile enough for multiple applications. The working principle is based on a temperature-stable band-gap reference circuit and voltage error amplifier, which is used to adjust the output according to the difference in the input and output.

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