Datasheet AD8418A (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Bidirectional, Zero-Drift, Current Sense Amplifier |
| Pages / Page | 17 / 8 — AD8418A. Data Sheet. INPUT. 200mV/DIV. 500mV/DIV. OUTPUT. 2V/DIV. INPUT … |
| Revision | D |
| File Format / Size | PDF / 421 Kb |
| Document Language | English |
AD8418A. Data Sheet. INPUT. 200mV/DIV. 500mV/DIV. OUTPUT. 2V/DIV. INPUT COMMON MODE. 40V/DIV. VS = 5V. TIME (1µs/DIV). TIME (2µs/DIV)
Text Version of Document
AD8418A Data Sheet INPUT 200mV/DIV 500mV/DIV OUTPUT OUTPUT 2V/DIV INPUT COMMON MODE 40V/DIV VS = 5V
015 018
TIME (1µs/DIV)
1883-
TIME (2µs/DIV)
1883- 1 1 Figure 15. Differential Overload Recovery, Rising (VS = 5 V) Figure 18. Input Common-Mode Step Response Large Scale (VS = 5 V, Inputs Shorted)
100mV/DIV INPUT 100mV/DIV OUTPUT 1V/DIV OUTPUT INPUT COMMON MODE 40V/DIV VS = 2.7V
016 19 1
TIME (1µs/DIV)
1883-
TIME (2µs/DIV)
1 1883- 1 Figure 16. Differential Overload Recovery, Falling (VS = 2.7 V) Figure 19. Input Common-Mode Step Response Small Scale (VS = 5 V, Inputs Shorted)
NO LOAD 330pF 470pF 1nF 200mV/DIV INPUT 100mV/DIV 2V/DIV 100mV/DIV OUTPUT 100mV/DIV 100mV/DIV
120
VS = 5V
017 11883-
TIME (1µs/DIV)
1883-
TIME (4µs/DIV)
1 Figure 17. Differential Overload Recovery, Falling (VS = 5 V) Figure 20. Small Signal Response for Various Capacitive Loads Rev. D | Page 8 of 17 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION OUTPUT OFFSET ADJUSTMENT UNIDIRECTIONAL OPERATION Ground Referenced Output Mode VS Referenced Output Mode BIDIRECTIONAL OPERATION EXTERNAL REFERENCED OUTPUT SPLITTING THE SUPPLY SPLITTING AN EXTERNAL REFERENCE APPLICATIONS INFORMATION MOTOR CONTROL 3-Phase Motor Control H-Bridge Motor Control SOLENOID CONTROL High-Side Current Sense with a Low-Side Switch High-Side Current Sense with a High-Side Switch High Rail Current Sensing OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
015 018
TIME (1µs/DIV)
1883-
TIME (2µs/DIV)
1883- 1 1 Figure 15. Differential Overload Recovery, Rising (VS = 5 V) Figure 18. Input Common-Mode Step Response Large Scale (VS = 5 V, Inputs Shorted)
100mV/DIV INPUT 100mV/DIV OUTPUT 1V/DIV OUTPUT INPUT COMMON MODE 40V/DIV VS = 2.7V
016 19 1
TIME (1µs/DIV)
1883-
TIME (2µs/DIV)
1 1883- 1 Figure 16. Differential Overload Recovery, Falling (VS = 2.7 V) Figure 19. Input Common-Mode Step Response Small Scale (VS = 5 V, Inputs Shorted)
NO LOAD 330pF 470pF 1nF 200mV/DIV INPUT 100mV/DIV 2V/DIV 100mV/DIV OUTPUT 100mV/DIV 100mV/DIV
120
VS = 5V
017 11883-
TIME (1µs/DIV)
1883-
TIME (4µs/DIV)
1 Figure 17. Differential Overload Recovery, Falling (VS = 5 V) Figure 20. Small Signal Response for Various Capacitive Loads Rev. D | Page 8 of 17 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION OUTPUT OFFSET ADJUSTMENT UNIDIRECTIONAL OPERATION Ground Referenced Output Mode VS Referenced Output Mode BIDIRECTIONAL OPERATION EXTERNAL REFERENCED OUTPUT SPLITTING THE SUPPLY SPLITTING AN EXTERNAL REFERENCE APPLICATIONS INFORMATION MOTOR CONTROL 3-Phase Motor Control H-Bridge Motor Control SOLENOID CONTROL High-Side Current Sense with a Low-Side Switch High-Side Current Sense with a High-Side Switch High Rail Current Sensing OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS
