Datasheet AD8231 (Analog Devices) - 6

AD8231 Data Sheet Parameter Conditions Min Typ Max Unit
Dynamic Performance Bandwidth G = 1 2.7 MHz G = 2 2.5 MHz Gain Bandwidth Product G = 4 to 128 7 MHz Slew Rate 1.1 V/µs Output Characteristics Output Voltage High RL = 100 kΩ to ground 2.9 2.94 V RL = 10 kΩ to ground 2.8 2.88 V Output Voltage Low RL = 100 kΩ to 3 V 60 100 mV RL = 10 kΩ to 3 V 80 200 mV Short-Circuit Current 40 mA Digital Interface Input Voltage Low TA = −40°C to +125°C 0.7 V Input Voltage High TA = −40°C to +125°C 2.3 V Setup Time to CS High TA = −40°C to +125°C 60 ns Hold Time after CS High TA = −40°C to +125°C 20 ns OPERATIONAL AMPLIFIERS Input Characteristics Offset Voltage, VOS 5 15 µV Temperature Drift TA = −40°C to +125°C 0.01 0.06 µV/°C Input Bias Current 250 500 pA TA = −40°C to +125°C 5 nA Input Offset Current 20 100 pA TA = −40°C to +125°C 0.5 nA Input Voltage Range 0.05 2.95 V Open-Loop Gain 100 120 V/mV Common-Mode Rejection Ratio 100 120 dB Power Supply Rejection Ratio 100 110 dB Voltage Noise Density 27 nV/√Hz Voltage Noise f = 0.1 Hz to 10 Hz 0.6 µV p-p Dynamic Performance Gain Bandwidth Product 1 MHz Slew Rate 0.5 V/µs Output Characteristics Output Voltage High RL = 100 kΩ to ground 2.9 2.96 V RL = 10 kΩ to ground 2.8 2.82 V Output Voltage Low RL = 100 kΩ to 3 V 60 100 mV RL = 10 kΩ to 3 V 80 200 mV Short-Circuit Current 40 mA BOTH AMPLIFIERS Power Supply Quiescent Current 3.5 4.5 mA Quiescent Current (Shutdown) 0.01 1 µA Rev. E | Page 6 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS INSTRUMENTATION AMPLIFIER PERFORMANCE CURVES OPERATIONAL AMPLIFIER PERFORMANCE CURVES PERFORMANCE CURVES VALID FOR BOTH AMPLIFIERS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL LAYOUT Power Supplies Package Considerations Thermal Pad INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE REDUCING NOISE APPLICATIONS INFORMATION DIFFERENTIAL OUTPUT MULTIPLEXING USING THE AD8231 WITH BIPOLAR SUPPLIES SALLEN KEY FILTER OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS