ISL28208FRTZ-T7A

Voltage - Input Offset:	25µV
Base Part Number:	ISL28208
Supplier Device Package:	8-TDFN (3x3)
Package / Case:	8-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	3 V ~ 40 V, ±1.5 V ~ 20 V
Current - Output / Channel:	30mA
Current - Supply:	185µA
Series:	--
Current - Input Bias:	13nA
Gain Bandwidth Product:	1.2MHz
Slew Rate:	0.45 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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I. IntroductionISL28208FRTZ-T7A is a single-supply, dual-channel, fixed-gain instrumentation amplifier. It can easily amplify small input signals, such as those from strain gauges, making it a great choice for medical and industrial applications. ISL28208FRTZ-T7A is built with Dual Operational Amplifier (OPA) and Transconductance Amplifier (TCA) technology, making it ideal for applications that require good common-mode rejection, low input offset voltage, and wide bandwidth.II. ISL28208FRTZ-T7A Application FieldISL28208FRTZ-T7A provides robust performance on a wide variety of industrial and medical applications. As it is designed as an instrumentation amplifier, it can operate with a single-supply voltage. Owing to its performance advantages, this amplifier is widely used in strain gauge, load cell, and pressure sensor applications. It can also be used in laboratory and medical instrumentation, communications systems, and process control. Moreover, its high-bandwidth and low-noise performance make it well suited for high-performance medical imaging systems and medical imaging equipment.III. ISL28208FRTZ-T7A Working PrincipleISL28208FRTZ-T7A operates as a single-channel amplifier or as a dual-channel amplifier. It is built with a combination of an Operational Amplifier (OA) and a Transconductance Amplifier (TCA). Its dual-channel amplifier configuration provides good common-mode rejection, low input offset voltage, and wide bandwidth.In single-channel amplifier mode, the amplifier has gain (A). It can be set by adjusting the Gainsetting resistor in the positive feedback loop. The amplifier has a low output impedance and very low offset. This configured amplifier has low distortion, settled response time and high step response bandwidth.In dual-channel amplifier mode, the amplifier has two stages. The first stage has a gain (A1) and the second stage has a gain (A2). It provides both low-level gain and a high-level gain. This amplifier has low noise and good common-mode rejection. It has a low offset voltage and its bandwidth is limited only by the external components used in the circuit.IV. ConclusionISL28208FRTZ-T7A is a dual-channel, fixed-gain instrumentation amplifier that can be used in a single-channel amplifier or dual-channel amplifier mode. It is ideal for applications that require good common-mode rejection, low input offset voltage, and wide bandwidth. This amplifier is suitable for applications such as strain gauges, load cells, pressure sensors, laboratory and medical instrumentation, communications systems, and process control.

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