Voltage - Input Offset:	350µV
Base Part Number:	INA149
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Voltage - Supply, Single/Dual (±):	4 V ~ 36 V, ±2 V ~ 18 V
Current - Output / Channel:	25mA
Current - Supply:	810µA
Series:	--
-3db Bandwidth:	500kHz
Slew Rate:	5 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	Differential
Part Status:	Active
Packaging:	Cut Tape (CT)

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INA149AMDREP application field and working principle

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The INA149AMDREP is a dual channel JFET input operational amplifier that is ideal for a variety of signal conditioning and data acquisition applications. It is a low power and low cost solution, and is suitable for battery-powered systems.The INA149AMDREP operates with a common-mode voltage up to 32V and can provide a maximum of +- 7.5MHz gain-bandwidth products. Its low power CMRR allows it to reject most noise sources, making it an ideal differential signal conditioning device for data acquisition systems.The INA149AMDREP has a low input bias current of only 20nA, making it great for applications with high input impedance signals, such as thermistors and strain gauges. Its power-referenced output pins allow for direct feedback connections to control circuits.The INA149AMDREP has four on-chip reference terminals, allowing the user to bias the differential input directly from battery power, eliminating the need for an external voltage regulator. It also has an adjustable input offset voltage which eliminates the need for additional trimming components.The INA149AMDREP has a wide operating temperature range of -40 to +120 degrees Celsius. It is an ideal solution for applications which require robustness and reliability in extreme operating conditions.The INA149MDREP features two distinct power-down modes- High Impedance mode and Shutdown mode. In High Impedance mode, the device is enabled but its power consumption is reduced to less than 12μA. In Shutdown mode, the device is off and its power consumption is less than 0.2μA, ensuring extremely efficient power consumption.The INA149AMDREP offers excellent gain and stability; while the DC gain is -74dB, the single-ended unity-gain bandwidth is 7.5MHz and the gain-bandwidth products are +- 7.5MHz.The INA149AMDREP is an excellent choice for a variety of applications, including medical instrumentation, industrial and automotive sensing, audio and video signal conditioning, and process control. Whether used as a basic amplifier or as a full-featured conditioning unit, the INA149AMDREP is an excellent choice for digital signal processing applications.

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