NJU7021D#

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NJU7021D is a high-performance, low-cost precision amplifier used in a variety of applications in the linear amplifiers and instrumentation, OP Amps, Buffer Amps categories. It is designed to provide a cost effective solution for those applications that require an optimized balance between precision and performance, while maintaining a compact form factor. This amplifier offers a high open loop gain, low distortion and noise, wide bandwidth, and fast settling time.

The NJU7021D is a two-stage linear amplifier that operates using differential inputs and single ended outputs. The amplifier is powered by a single power supply, which can be either +5V or +15V. The NJU7021D gain range is from 1x to Infinity depending on the actual configuration. The input can also be configured for both single-ended and differential signals. The amplifier features a low input noise floor of only 0.35 nV/√Hz and a low distortion of 0.0003%.

The NJU7021D circuit consists of a CMOS input stage and a bipolar output stage. The input stage is designed to provide a high input impedance and a wide bandwidth of up to 2.5MHz. The outputs are provided as non-inverting and inverting signals with symmetrical buffers. These buffers are designed to provide a low output impedance and a wide bandwidth as well. The amplifier also features a Low Offset and Offset Drift spec of ±50 µV for improved performance.

In addition, the NJU7021D includes several protection features such as input and output overvoltage protection, output current protection, and thermal shutdown protection. These features help ensure that the amplifier remains safe and reliable in a variety of environments. The NJU7021D is also suitable for Frequency-to-Voltage (F2V) and Level detection applications with its wide dynamic range.

The NJU7021D is commonly used in a variety of applications that require a low-cost, high-performance precision amplifier. These applications include ADC/DAC data converters, instrumentation amplifiers, bridge and strain gage amplifiers, audio preamplifiers, and active filters. The amplifier’s wide bandwidth, low noise, and low distortion make it well-suited for high accuracy and precision precision applications. It is also often used in automotive sensing and audio applications as well.

The NJU7021D is a versatile, high-performance, cost-effective amplifier that is well-suited for a wide range of linear amplification and instrumentation applications. Its wide bandwidth, low noise, and low distortion make it a suitable choice for many automation and sensing applications. Furthermore, the amplifier\'s protection features provide the necessary safeguards for reliable operation in a variety of environments. The NJU7021D is an ideal choice for those looking for a cost-effective, high-precision linear amplifier for their application needs.

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