ISL28117FBZ-T7

Voltage - Input Offset:	4µV
Base Part Number:	ISL28117
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	4.5 V ~ 40 V, ±2.25 V ~ 20 V
Current - Output / Channel:	43mA
Current - Supply:	440µA
Series:	--
Current - Input Bias:	80pA
Gain Bandwidth Product:	1.5MHz
Slew Rate:	0.5 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ISL28117FBZ-T7 is a monolithic, low power instrumentation amplifiers (IA) product which integrates a high-precision reference and is integrated into a single 8- lead SOIC package. It has several applications, particularly in industrial and medical equipment.The device offers excellent overall linearity, low noise, wide common-mode range and low power, making it the ideal choice for all types of industrial and medical instrumentation applications. Its general application fields are include high-precision low-power amplifiers, pressure transducers, optical sensors, thermocouples, level measurements, load cells and strain-gage instruments.The amplifier consists of an input stage, a feedback network and a single-ended, low-power output stage. The input stage is built using two matched input transistors, both of which are biased by two external resistors. The two matched transistors provide differential gain, while the shared base current is regulated by the feedback network, creating a temperature-compensated gain stage. The feedback network is implemented using a capacitor and a resistor, forming a complete amplifier with low noise and high bandwidth.The output stage of the amplifier is a single-ended, low power operation amplifier, which is the main output of the amplifier. The output stage provides a low distortion operation with a stable power supply voltage and low power consumption. The amplifier also contains an internal temperature compensation, which helps to keep the gain and output level constant over the entire temperature range of the device.The operating principles of the ISL28117FBZ-T7 are relatively simple and straightforward. The first step involves setting the gain and the output level of the amplifier by adjusting the two external resistor bias levels. The gain is set by adjusting the resistance of one of the two resistors, while the output level is set by adjusting the resistance of the other resistor. Once the gain and output levels are set, the amplifier can be operated with a fixed voltage supply.The second step involves inserting the signal source into the amplifier input. The output signal is then adjusted by varying the input voltage until the desired output is obtained. When an input signal is applied, the amplifier produces an output voltage, proportional to the input frequency and amplitude.The ISL28117FBZ-T7 offers remarkable performance, considering its low power dissipation. Its features make it the ideal choice for a variety of applications, particularly in industrial and medical instruments. Its low power operation combined with its wide common-mode range, make it suitable for various signal measurements and monitoring, while its excellent linearity make it ideal for measuring and monitoring signals over wide dynamic ranges.

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