ADA4505-2

10 μA, Rail-to-Rail I/O, Zero Input Crossover Distortion Amplifiers ADA4505-2/ADA4505-4 FEATURES PSRR: 100 dB minimum CMRR: 105 dB typical Very low supply current: 10 μA per amplifier maximum 1.8 V to 5 V single-supply or ±0.9 V to ±2.5 V dual-supply operation Rail-to-rail input and output 3 mV offset voltage maximum Very low input bias current: 0.5 pA typical www.DataSheet4U.com PIN CONFIGURATIONS OUT A 1 –IN A 2 +IN A 3 V– 4 8 V+ OUT B +IN B 07416-004 ADA4505-2 TOP VIEW (Not to Scale) 7 6 5 –IN B Figure 1. 8-Lead MSOP (RM-8) BALL A1 CORNER OUT B A1 –IN B B1 +IN B C1 V– C2 V+ A2 OUT A A3 –IN A B3 +IN A C3 APPLICATIONS Pressure and position sensors Remote security Medical monitors Battery-powered consumer equipment Hazard detectors TOP VIEW (BALL SIDE DOWN) Figure 2. 8-Ball WLCSP (CB-8-2) OUT A 1 –IN A +IN A 2 3 14 13 OUT D –IN D +IN D V– +IN C –IN C OUT C 07416-005 ADA4505-4 TOP VIEW (Not to Scale) 12 11 10 9 8 V+ 4 +IN B 5 –IN B 6 OUT B 7 Figure 3. 14-Lead TSSOP (RU-14) GENERAL DESCRIPTION The ADA4505-2/ADA4505-4 are dual and quad micropower amplifiers featuring rail-to-rail input and output swings while operating from a single 1.8 V to 5 V power supply or from dual ±0.9 V to ±2.5 V power supplies. Employing a new circuit technology, these low cost amplifiers offer zero input crossover distortion (excellent PSRR and CMRR performance) and very low bias current, while operating with a supply current of less than 10 μA per amplifier. This combination of feature...