OP1177ARMZ-R7

Voltage - Input Offset:	15µV
Base Part Number:	OP1177
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	5 V ~ 36 V, ±2.5 V ~ 18 V
Current - Output / Channel:	10mA
Current - Supply:	400µA
Series:	--
Current - Input Bias:	500pA
Gain Bandwidth Product:	1.3MHz
Slew Rate:	0.7 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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OP1177ARMZ-R7 Application Field and Working Principle

The OP1177ARMZ-R7, also known as the ARMZ-OP, is a high-performance amplifier designed for use in a wide variety of linear and instrumentation applications, including audio, video, sensing, and control. This device is ideal for precision instrumentation, such as strain gauges, pressure sensors, and temperature probes, as well as for linear amplification in audio and video applications.The OP1177ARMZ-R7 is a unity-gain stable, single-supply operational amplifier featuring a wide, ground-referenced input and output range. With a low quiescent current, the OP1177ARMZ-R7 can be used in a wide range of single-supply applications. Additionally, the OP1177ARMZ-R7 provides excellent ac and dc performance, with a slew rate of 500V/μs, at a low power consumption of only 0.7 mW/channel (at a supply voltage of 5V). Furthermore, the device is excellent for applications requiring high input impedance and low-noise performance.Working PrincipleThe OP1177ARMZ-R7 is an amplifier consisting of three stages: a differential amplifier, an internally compensated gain stage, and an output driver stage.The differential amplifier amplifies the difference between two input signals and provides common-mode rejection. This stage has only two transistors, and can be operated with a single supply voltage.The internally compensated gain stage amplifies the differential input signal, and is I/O compensated, allowing for high-performance, stable operation even at high gains. This stage can be operated in unity gain or with a gain of up to 50 dB.The output driver stage provides a low output impedance and improved linearity. This stage has isolated drivers, allowing for lower distortion and higher output swing, without compromising performance or stability.ConclusionThe OP1177ARMZ-R7 is a high-performance, low-power amplifier designed for a wide range of linear and instrumentation applications. It features a high input impedance, low noise, and excellent ac and dc performance, with a slew rate of 500V/μs at only 0.7 mW/channel. The device has excellent stability and is I/O compensated, allowing for high-performance, stable operation even at high gains. The three-stage design of the OP1177ARMZ-R7 provides excellent linearity, low output impedance, and improved noise performance, making it ideal for precision instrumentation, as well as for audio and video applications.

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