OPA4171AID

Voltage - Input Offset:	250µV
Base Part Number:	OPA4171
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 36 V, ±1.35 V ~ 18 V
Current - Output / Channel:	35mA
Current - Supply:	475µA
Series:	--
Current - Input Bias:	8pA
Gain Bandwidth Product:	3MHz
Slew Rate:	1.5 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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OPA4171AID Application Field and Working Principle

The OPA4171AID is a low-power, low-voltage operational amplifier (op-amp) designed for use in a variety of instrumentation, linear and buffer amplifier applications. The device has an impressive slew rate of 10 V/μs while maintaining the low power consumption of 200 μW/MHz. This makes it a popular choice for embedded systems that have size, power and thermal management constraints.The OPA4171AID has excellent common-mode as well as differential gain and phase accuracy across the full-rail-to-rail input and output range. The device also has great supply rejection, rail-to-rail output, and low-noise operation thanks to its ultra-low input bias current of 50 nA. The device has an extended power-supply range of ±2.7 V to ±16 V for single-supply, low-voltage applications.The OPA4171AID op-amp is based on a standard differential amplifier topology, where two transistors (NPN and PNP) act as inputs and the output is a difference voltage between the two. The output is then amplified by a gain stage and regulated by the feedback network to produce the desired output signal. One of the most important features of the OPA4171AID is its exceptional input and output voltage range, with a max output of ±7V. This is ideal for driving capacitive loads, as the OPA4171AID can maintain positive and negative peak output within its limits. The maximum input voltage of 5V, meanwhile, is more than enough for signal reception and conditioning.In terms of gain and speed, the OPA4171AID can achieve differential gains from 0.5 to 200 V/mV and load gains from 0.6 to 8000 V/mV. Additionally, the device has a maximum slew rate of 10 V/μs, ideal for fast responding applications, and the use of fast-recovery BiFET technology allows for faster corner frequency settling time.From a design point of view, the OPA4171AID offers a variety of options for flexibility. The device offers a wide operating temperature range of -40°C to 85°C and it is available in an 8-pin dual in-line package (DIP). Finally, the design of the device guarantees low power consumption, low offset voltage, and low noise performance, making the OPA4171AID an excellent choice for maintaining signal integrity.In a nutshell, the OPA4171AID is an ideal choice for applications requiring a low power and low voltage operational amplifier. It has a versatile range of features that make it suitable for use in instrumentation, linear, and buffer amplifier systems, as well as for signal conditioning. The device also offers both gain and speed, with a fast slew rate of 10 V/μs, along with excellent temperature and low-noise performance.

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