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Maxim Integrated Products introduces the MAX4289, a micropower op amp in a 6-pin SOT23 package. The MAX4289 is designed to operate from a 1 V to 5.5 V single supply and has 17 kHz gain bandwidth, while consuming only 9 microamps. The input voltage range includes ground and the output swings Rail-to-Rail. The MAX4289 DC specifications feature a PSRR of 75 dB, an input offset voltage of 0.2 mV, a large-signal voltage gain of 90 dB (Rl = 5 kilohms), and an output current drive of ± 19 mA.

Other MAX4289 features include an extended temperature range (-40 degrees Celsius to +85 degrees Celsius) and very small, 3 mm × 3 mm, 6-pin SOT23 packaging, making this op amp ideal for single-cell applications with strict space and power budgets, including PDAs, wireless handsets, and bar-code scanners.

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