OP191GSZ-REEL

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Amplifier Type:	General Purpose
Number of Circuits:	1
Output Type:	Rail-to-Rail
Slew Rate:	0.5 V/µs
Gain Bandwidth Product:	3MHz
Current - Input Bias:	30nA
Voltage - Input Offset:	80µV
Current - Supply:	260µA
Current - Output / Channel:	16mA
Voltage - Supply, Single/Dual (±):	2.7 V ~ 12 V, ±1.35 V ~ 6 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	OP191

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OP191GSZ-REEL Linear Instrumentation, OP Amps, Buffer Amps: Application Field and Working PrincipleLinear Instrumentation, OP Amps, Buffer Amps are widely used in a variety of applications, be it for measuring and controlling, power conditioning, test instrumentation, and so on. In this article, we will focus on one particular type of linear amplifier: the OP191GSZ-REEL.The OP191GSZ-REEL amplifier is a single-pole, low-power, unity-gain amplifier designed for use in medical and industrial applications. This device is able to operate with very low power consumption and can be used to drive a variety of loads, such as capacitive and resistive loads. It also has excellent input impedance and bandwidth characteristics.The OP191GSZ-REEL is an instrumentation amplifier, which lends itself to applications such as 4-20mA current loop feedback, precision measurement, zero-offset cancellation, and noise cancellation. It is also suitable for a wide range of general-purpose amplification needs, since it has an adjustable gain bandwidth of up to 1.5MHz with an unity-gain bandwidth of 20MHz. The operational power consumption of the amplifier is very low at typically only 750uA (max).The amplifier employs a proprietary architecture that provides extremely low noise and distortion, low power consumption, and wide frequency response. It uses two currents for gain control, a reference current for unity-gain operation and a gain current for adjustable gain. The output is a high-speed, low-offset differential amplifier with excellent performance in terms of common-mode rejection.The working principle of the OP191GSZ-REEL amplifier is based on negative feedback and gain control. A voltage divider network is used to provide the reference current for unity-gain and a summed operational amplifier is employed for gain control. Lastly, the output is fed back to the negative input of the gain control amplifier, which provides the controllable gain range.In summary, the OP191GSZ-REEL amplifier is a highly efficient and cost-effective instrumentation amplifier with a wide array of applications. It is suitable for many industrial and medical applications, as well as being suitable for general-purpose amplification needs. With its low power consumption, wide gain range, and excellent power supply rejection characteristics, the OP191GSZ-REEL amplifier is an ideal choice for many low-power, low-voltage applications.

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