AD8253Data SheetTYPICAL PERFORMANCE CHARACTERISTICS TA @ 25°C, +VS = +15 V, −VS = −15 V, RL = 10 kΩ, unless otherwise noted. 210240180210S 150ST180TUNIUNIF 120150FR OR O 120BE90BEMMNU90NU6060303000 6 –60–40–20020 09 00 –60–40–200204060 0 3- 3- CMRR (µV/V) 98 INPUT OFFSET CURRENT (nA) 98 06 06 Figure 6. Typical Distribution of CMRR, G = 1 Figure 9. Typical Distribution of Input Offset Current 901808015070S T 120) 60UNI F√Hz V/ 50nR O90G = 1BEG = 100ISE ( 40ONUMN6030G = 102030100G = 1000–200–1000100200 07 0 0 10 3- 1101001k10k100k 0 INPUT OFFSET VOLTAGE, V 98 3- OSI , RTI (µV) 06 698 FREQUENCY (Hz) 0 Figure 7. Typical Distribution of Offset Voltage, VOSI Figure 10. Voltage Spectral Density Noise vs. Frequency 300250S TUNI 200FR O150BE M NU 10050 11 0 3- 2µV/DIV1s/DIV 98 0 06 8 –90–60–300306090 00 3- INPUT BIAS CURRENT (nA) 98 06 Figure 8. Typical Distribution of Input Bias Current Figure 11. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 1 Rev. B | Page 8 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION GAIN SELECTION Transparent Gain Mode Latched Gain Mode Timing for Latched Gain Mode POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION REFERENCE TERMINAL COMMON-MODE INPUT VOLTAGE RANGE LAYOUT Grounding Coupling Noise Common-Mode Rejection RF INTERFERENCE DRIVING AN ANALOG-TO-DIGITAL CONVERTER APPLICATIONS INFORMATION DIFFERENTIAL OUTPUT SETTING GAINS WITH A MICROCONTROLLER DATA ACQUISITION OUTLINE DIMENSIONS ORDERING GUIDE