NE5534DR2

Voltage - Input Offset:	500µV
Base Part Number:	NE5534
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 (±):	±3 V ~ 20 V
Current - Output / Channel:	38mA
Current - Supply:	4mA
Series:	--
Current - Input Bias:	500nA
Gain Bandwidth Product:	10MHz
Slew Rate:	13 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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NE5534DR2 Application Field and Working PrincipleThe NE5534DR2 is a precision, monolithic, quad general-purpose operational amplifier that is designed for low noise and high-speed performance. It features low offset, low drift, and high open-loop gain, and is ideal for use in various linear applications, instrumentation, and lab test equipment. In addition to being used as an operational amplifier, it can also be configured as a voltage-to-current converter, active filter, and summer circuit. Application FieldThe NE5534DR2 is commonly used in audio applications, such as preamplifiers, mixing consoles, envelope generators and compressors. It is also used in signal conditioning, such as bridge circuits, low frequency filters and thermocouples. Additionally, it is used in medical and scientific instrumentation, such as smart syringes, blood analysis systems, ECG equipment and photometry devices. NE5534DR2 can also be used as a driver for switching power supplies and AC-DC PWM power controllers, and as an integrator in RMS detectors. Other applications include precision rectifiers, sample-and-hold circuits, lock detectors, and pulse width modulators. Working PrincipleThe NE5534DR2 is a differential input quad general-purpose operational amplifier. It is designed to operate over a wide range of supply voltages and temperatures with very low noise and offset voltage. Its low input bias current, low drift, and low distortion make it suitable for many precision analog circuits. The NE5534DR2 uses two matched N-channel JFET transistors as its input element, which is the primary source of low noise and high open-loop gain. The differential N-channel JFET pairs also provide high input impedance and low input offset voltage. The input stage is isolated from the output stage with two N-channel MOSFET cascades to minimize crosstalk and improve stability. The NE5534DR2 also features a push-pull, complementary MOS output stage. The output stage is configured as a low-power output amplifier, with low voltage saturation and low power dissipation. The complementary pair of MOS transistors allows for a wide output voltage swing, with low distortion and low output noise. The NE5534DR2 also features an overload recovery time that is adjustable through a simple external resistor and capacitor network. This feature enables the NE5534DR2 to be used in buffered or high-current applications. To improve power supply rejection ratio, a unique 22 kHz corner frequency low-pass filter is included in the input stage. This filter improves the supply voltage rejection ratio without affecting noise or gain. In conclusion, the NE5534DR2 is an ideal choice for low-noise, wide bandwidth, high accuracy, and high current-handling operations. Its wide dynamic range, low noise, and low distortion make it an ideal choice for various linear applications, such as audio, signal conditioning, and medical and scientific equipment.

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