Amplifier for precision applications
29 April 2008
A low-noise operational amplifier has been launched by Analog Devices.
Following the ADA4899 and AD8099 operational amplifiers, the ADA4898 offers designers low distortion, low noise, and high speed for 16bit and 18bit precision instrumentation applications, making it especially suited to radar-based collision avoidance and medical instrumentation.
The ADA4898 unity gain stable op amp offers design engineers ultra-low broadband noise (<1 nV/rt Hz), 1/f noise of 1.2 nV/rt Hz at 10 Hz, low distortion (–110 dBc at 500 kHz), and dc precision that optimises the performance of ADCs. The ADA4898 features high speed (–3 dB bandwidth of 70 MHz, at G=+1) and high slew rate (40 V/µs), providing the optimal combination of amplifier speed and precision. The ADA4898 has a wide supply range of ±5 V to ±15 V and is rated to operate over the extended industrial temperature range of -40°C to +125°C.
The ADA4898-1 single is available now in full production quantities in an 8-lead SOIC (small outline integrated circuit) package . A dual version will be available later this year.
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