LTC1798CS8-3#TRPBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LTC1798CS8-3#TRPBF is a precision micropower voltage reference, designed for single and dual rail applications. This device is ideal for precision power supplies and current loop applications where a low supply current is required.

This PMIC - Voltage Reference is designed to precision regulate an output voltage relative to a 2.500V bandgap reference. This integrated circuit consists of a voltage reference consisting of current sources, an input buffer amplifier, two levels of gain and an output buffer amplifier.

The LTC1798CS8-3#TRPBF can operate from a wide range of input voltages, from 2.25 V to 40 V, which makes it suitable for a variety of applications. This device is designed to deliver a low output voltage, from 0.485 V to 4.5 V. It’s optimized to drive up to 5 mA of current and offers an output tolerance of ±0.5%, which is suitable for precision power supplies and current loop applications.

In addition, the device has a low temperature coefficient of 0.3 ppm/°C, and an output noise level of 0.1 μV RMS over a 10 kHz frequency band. The device is able to supply a low quiescent current of only 15 μA at 3.3 V and 60 μA at 5 V, making it ideal for battery-powered applications. The device is also highly accurate, reliable, and requires less than 1.5 μA for startup.

The LTC1798CS8-3#TRPBF application field can include voltage regulation in battery-powered applications, precision power supplies, current loops, embedded systems and automotive systems. All these applications require low frequency noise, low temperature coefficient and high accuracy voltage references for proper performance.

The working principle of the LTC1798CS8-3#TRPBF is based on the bandgap reference, which is composed of three current sources. With the voltage reference input and the sense input connected, the circuit amplifies the difference, between both signals, x1000 and delivers a regulated voltage, in order to keep the voltage, in relation to the reference, matched. Because the amplifier is operating between both voltage references, the output of the device will remain regulated and compensated against the temperature. This way, the device is able to provide the high accuracy, stability and current sinking needed for a wide range of applications.

In summary, the LTC1798CS8-3#TRPBF is a precision micropower voltage reference suitable for a wide range of battery-powered applications and electrical power supplies. This device achieved its outstanding accuracy due to the bandgap reference, as well as its adequate input and output buffer amplifiers. The device also requires a low quiescent current and good DC and AC performance, which makes it an ideal choice for demanding and precision applications.

The specific data is subject to PDF, and the above content is for reference