LF412CDRE4

Current - Input Bias:	50pA
Base Part Number:	LF412
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply, Single/Dual (±):	7 V ~ 36 V, ±3.5 V ~ 18 V
Current - Supply:	4.5mA
Voltage - Input Offset:	800µV
Series:	--
Gain Bandwidth Product:	3MHz
Slew Rate:	13 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	J-FET
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LF412CDRE4 Application Field and Working Principle

Instrumentation, OP Amps, Buffer Amps

The LF412CDRE4 is a high-performance, low-power dual operational amplifier. This device is designed for use as a single-supply or dual supply amplifier and features improved common-mode rejection ratio (CMRR) and CMRR tracking over temperature. In addition, the LF412CDRE4 has excellent sound performance with extremely low quiescent current and wide gain-bandwidth product. The device provides the user with an easy to use and effective solution for a broad range of amplification and signal conditioning applications.The LF412CDRE4 has an open loop gain (AOL) range of over 300 dB, low-noise performance, and high input impedance. The device is a low-power amplifier, with an operating voltage range of 4.5V to 36V, and a quiescent current of only 30 μA. The device is capable of working with both single power supplies and dual power supplies, and has a dynamic range of 130 dB, making it ideal for use in a variety of signal conditioning applications.The LF412CDRE4 is ideal for applications such as voltage followers, differential amplifiers, current-sense amplifiers, and active filters. The device features an internally fixed gain bandwidth product of 3MHz, making it suitable for use in audio applications as well. The device can be used to construct an amplifier with a gain up to 200, and has a wide operating temperature range from -40°C to +125°C.The LF412CDRE4 utilizes a unique type of differential amplifier architecture, with a fast-settling, low-voltage, wide-bandwidth pair of PNP input transistors. This architecture provides excellent properties of high linearity and high CMRR. The device performs self-compensated gain-bandwidth product (GBW) and closed-loop unity-gain cross-over frequency compensation. This allows the device to be used in a wide variety of applications, including single-supply and dual-supply applications. The device also includes a power-down mode, enabling the user to reduce power consumption during idle periods.The LF412CDRE4 is equipped with protection circuitry that prevents damage from input over-voltage, output over-voltage, and output short circuits. The device also features a wide input voltage common-mode range, enabling the use of a single power supply in a wide variety of applications. The device utilizes advanced topology and processes to produce low-noise, low-distortion performance. The device has been designed for high-reliability operation, and features a reliable and predictable response over temperature.In summary, the LF412CDRE4 is a high-performance, low-power dual operational amplifier with an open loop gain range of over 300 dB, low-noise performance, and high input impedance. The device is capable of operating with both single- and dual-supply applications, and has a wide operating temperature range. The device includes protection circuitry to protect against input and output over-voltage and short-circuits, and utilizes advanced topology and processes to produce low-noise, low-distortion performance. The device is ideal for a wide range of applications, including voltage followers, differential amplifiers, current-sense amplifiers, and active filters.

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