AD8534 или два AD8532 (доставабельнее) http://www.analog.com/media/en/technical-documentation/data-sheets/AD8531_8532_8534.pdf
Single-supply operation: 2.7 V to 6 V
High output current: ±250 mA
Low supply current: 750 μA/amplifier
Wide bandwidth: 3 MHz
Slew rate: 5 V/μs
No phase reversal
Low input currents
Unity gain stable
Rail-to-rail input and output
http://www.analog. …s/AD8531_8532_8534.pdf