AD8551/AD8552/AD8554Data Sheet140VS = ±2.5VVSY = ±1.35VRL = 2kΩ A120V = –100VIN = 60mV p-p100B)80dRR ( S60P+PSRR40–PSRR20 031 200µs1V 01101- 01001k10k100k1M10M 034 FREQUENCY (Hz) 01101- Figure 31. No Phase Reversal Figure 34. PSRR vs. Frequency at ±1.35 V 140140VSY = 2.7VVSY = ±2.5V120120100100B)80B)80ddRR (+PSRRRR (60S60CMP4040–PSRR2020001001k10k100k1M10M 032 1001k10k100k1M10M 035 FREQUENCY (Hz)FREQUENCY (Hz) 01101- 01101- Figure 32. CMRR vs. Frequency at 2.7 V Figure 35. PSRR vs. Frequency at ±2.5 V 1403.0VSY = 5VVSY = ±1.35V RL = 2kΩ1202.5AV = 1 THD+N < 1%100Tp)A = 25°Cp- 2.0VB)80G (dWIN 1.5RR (60T SCMU TP 1.040OU0.520001001k10k100k1M10M 033 1001k10k100k1M 036 FREQUENCY (Hz)FREQUENCY (Hz) 01101- 01101- Figure 33. CMRR vs. Frequency at 5 V Figure 36. Maximum Output Swing vs. Frequency at 2.7 V Rev. F | Page 10 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS FUNCTIONAL DESCRIPTION AMPLIFIER ARCHITECTURE BASIC AUTO-ZERO AMPLIFIER THEORY Auto-Zero Phase Amplification Phase HIGH GAIN, CMRR, PSRR MAXIMIZING PERFORMANCE THROUGHPROPER LAYOUT 1/f NOISE CHARACTERISTICS INTERMODULATION DISTORTION BROADBAND AND EXTERNAL RESISTOR NOISE CONSIDERATIONS OUTPUT OVERDRIVE RECOVERY INPUT OVERVOLTAGE PROTECTION OUTPUT PHASE REVERSAL CAPACITIVE LOAD DRIVE POWER-UP BEHAVIOR APPLICATIONS INFORMATION A 5 V PRECISION STRAIN GAGE CIRCUIT 3 V INSTRUMENTATION AMPLIFIER A HIGH ACCURACY THERMOCOUPLE AMPLIFIER PRECISION CURRENT METER PRECISION VOLTAGE COMPARATOR OUTLINE DIMENSIONS ORDERING GUIDE