Datasheet AD5520 (Analog Devices) - 4

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AD5520 Parameter Min Typ1 Max Unit Test Conditions/Comments
AMPLIFIER SETTLING TIME4, 5 VSENSE Amp 20 μs to 0.2% ISENSE Amp 12 μs to 0.2% LOOP SETTLING4, 5 Settling to within 0.024% of 8 V step COMPIN2 = 100 pF 450 600 μs MODE0 285 390 μs MODE1 170 240 μs MODE2, MODE3 COMPIN1 = 1000 pF 2 2.5 ms MODE0 1.8 2.4 ms MODE1, MODE2, MODE3 COMPIN0 = 3000 pF 5.75 8.7 ms MODE0, MODE1, MODE2, MODE3 SLEW RATE4, 5 50 mV/μs COMPIN2 = 100 pF 4.3 mV/μs COMPIN1 = 1000 pF 1.28 mV/μs COMPIN0 = 3000 pF COMPARATOR CPH, CPL Input Range ±11 V VCPH > VCPL Input Offset ±7 mV GUARD DRIVER Output Voltage ±11 V Output Impedance 130 Ω Capacitive load only Output Offset Voltage 400 mV Load Current4 ±4 mA Output Settling Time4 0.5 2 μs 100 pF capacitive load ANALOG REFERENCE INPUTS Force Control Input Range ±11 V Force Control Input Impedance 1 MΩ Clamp Control Input Range ±11 V VCLH > VCLL Clamp Control Input Impedance 1 MΩ Comparator Threshold Input Range ±11 V Comparator Threshold Input Impedance 1 MΩ Input Capacitance4 3 pF LEAKAGE CURRENT MEASIxx, MEASVx, MEASOUT Leakage ±3 ±20 nA ANALOG MEASUREMENT OUTPUTS Voltage Measure Output Impedance 2 Ω Current Measure Output Impedance 3 Ω Multiplexed Sense Output Impedance 1 kΩ Input Capacitance MEASIxH, MEASVH, FOHx 8 pF LOGIC INPUTS Input Current ±1 μA All digital inputs together Input Low Voltage, VINL 0.8 V Input High Voltage, VIHL 2.0 V Input Capacitance4 3 pF LOGIC OUTPUTS Output Low Voltage, V 4 OL 0.4 V ISINK = 2 mA Output High Voltage, V 4 OH 2.4 V ISOURCE = 2 mA Rev. B | Page 4 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INTERFACE STANDBY MODE FORCE VOLTAGE OR FORCE CURRENT MEASURED PARAMETER CURRENT RANGES RS SELECTION FORCE CONTROL AMPLIFIER COMPARATOR FUNCTION AND STROBING CLAMP FUNCTION HIGH CURRENT RANGES CIRCUIT OPERATION FORCE VOLTAGE MEASURE CURRENT FORCE CURRENT MEASURE VOLTAGE SHORT CIRCUIT PROTECTION SETTLING TIME CONSIDERATIONS PCB LAYOUT AND POWER SUPPLY DECOUPLING TYPICAL CONNECTION CIRCUIT FOR THE AD5520 TYPICAL APPLICATION CIRCUIT EVALUATION BOARD FOR THE AD5520 OUTLINE DIMENSIONS ORDERING GUIDE