AD8646/AD8647/AD8648Data SheetParameterSymbolConditionsMinTypMax Unit NOISE PERFORMANCE Peak-to-Peak Noise en p-p 0.1 Hz to 10 Hz 2.3 μV Voltage Noise Density en f = 1 kHz 8 nV/√Hz f = 10 kHz 6 nV/√Hz Channel Separation CS f = 10 kHz −115 dB f = 100 kHz −110 dB Total Harmonic Distortion Plus Noise THD + N V p-p = 0.1 V, RL = 600 Ω, f = 25 kHz, TA = 25°C AV = +1 0.010 % AV = −10 0.021 % Rev. F | Page 4 of 18 Document Outline FEATURES APPLICATIONS PIN CONFIGURATIONS GENERAL DESCRIPTION REVISION HISTORY Revision History: AD8646/AD8647/AD8648 Revision History: AD8646 Revision History: AD8648 SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER-DOWN OPERATION MULTIPLEXING OPERATION OUTLINE DIMENSIONS ORDERING GUIDE