Analog Devices Inc. has introduced an ultra-low noise, low-power low-distortion instrumentation amplifier (in amp) for the precision measurement of extremely small signals present in noisy industrial operating environments.
The high-bandwidth AD8429 in amp is one of the fastest in amps on the market with a current feedback architecture that offers 15 MHz (G=1) bandwidth and a 22-V/μs slew rate, which is 30 percent higher than competing in amps, according to the company. With a low distortion of -130-dB, the AD8429 is robust enough for applications that demand reduced size, power and distortion levels, such as healthcare instrumentation, precision data acquisition equipment and industrial vibration analysis.
Key highlights:
* Low noise
o 1-nV/√Hz input noise
o 45-nV/√Hz output noise
* High accuracy dc performance
o 90-dB CMRR minimum (G = 1)
o 50-μV maximum input offset voltage
o 0.02 percent maximum gain accuracy (G = 1)
* AC specifications
o 80-dB CMRR to 5 kHz (G = 1)
o 15-MHz bandwidth (G = 1)
o 22-V/μs slew rate
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