AD8666

www.DataSheet4U.com 16 V, 4 MHz Rail-to-Rail Output Amplifiers AD8665/AD8666/AD8668 FEATURES Offset voltage: 2.5 mV max Low input bias current: 1 pA max Single-supply operation: 5 V to 16 V Dual-supply operation: ±2.5 V to ±8 V Low noise: 8 nV/√Hz @ 10 kHz Wide bandwidth: 4 MHz Rail-to-rail output Unity-gain stable Lead-free packaging PIN CONFIGURATIONS OUT 1 V– 2 +IN 3 AD8665 TOP VIEW (Not to Scale) 5 V+ 4 –IN Figure 1. AD8665, 5-Lead SOT-23 (RJ-5) NC –IN +IN VEE 1 2 3 8 NC VCC OUT 06195-040 06195-004 AD8665 7 6 5 APPLICATIONS Sensor amplification Reference buffers Medical equipment Physiological measurements Signal filters and conditioning Consumer audio Photodiode amplification ADC driver Level shifting circuits TOP VIEW 4 (Not to Scale) NC NC = NO CONNECT Figure 2. AD8665, 8-Lead SOIC_N (R-8) OUT A –IN A +IN A V– 1 2 3 8 V+ OUT B +IN B 06018-001 AD8666 7 6 5 TOP VIEW 4 (Not to Scale) –IN B Figure 3. AD8666, 8-Lead SOIC_N (R-8) OUT A –IN A +IN A V– 1 2 3 4 8 V+ OUT B +IN B 06195-002 GENERAL DESCRIPTION The AD866x family are single supply, rail-to-rail output amplifiers with low noise performance featuring an extended operating range with supply voltages up to 16 V. They also feature low input bias currents, wide signal bandwidth, and low input voltage and current noise. For lower offset voltage, choose the AD8661/AD8662/AD8664 family. The combination of low offsets, very low input bias currents, and wide supply range make these amplifiers useful in ...