Digitally Programmable Sensor Signal Amplifier with EMI Filters
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27 /10 — AD8556. Data Sheet. 100. 1000. SY = 5V. TA = 25°C. +125°C. IB+. A) n (. …
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AD8556. Data Sheet. 100. 1000. SY = 5V. TA = 25°C. +125°C. IB+. A) n (. +25°C. –40°C. A) n. ( I B. CURRE P. AM CL V. VCM (V). VCLAMP VOLTAGE (V). 0.8. 3.0
AD8556Data Sheet1001000VVISY = 5VSY = 5VB–TA = 25°C+125°CIB+A) n (+25°CNT–40°CA) n10100( I BCURRE PAM CL V 1 1 1 10 0 0123456 014 0123456VCM (V) 05448- VCLAMP VOLTAGE (V) 05448- Figure 10. Input Bias Current at VPOS, VNEG vs. Common-Mode Voltage Figure 13. VCLAMP Current over Temperature at VS = 5 V vs. VCLAMP Voltage 0.83.0VSY = 5VT0.6A = 25°C2.50.5A) n (0.32.0NTmA) (0.2NTCURRE01.5T E S–0.2CURREFYFL1.0O–0.3PPUTSUINP–0.50.5–0.6–0.80 012 –50–250255075100125150 015 0123456TEMPERATURE (°C) 05448- SUPPLY VOLTAGE (V) 05448- Figure 11. Input Offset Current vs. Temperature Figure 14. Supply Current (ISY) vs. Supply Voltage 2.52.5VVSY = 5.5VSY = 5V2.32.02.1A) µ (1.9NTmA) (1.51.7NTCURRE1.5UT1.0CURRE1.3NPYILALPP1.1TSUIGI0.9D0.50.700.5 013 0123456 016 –50–250255075100125150DIGITAL INPUT VOLTAGE (V) 05448- TEMPERATURE (°C) 05448- Figure 12. Digital Input Current vs. Digital Input Voltage (Pin 4) Figure 15. Supply Current (ISY) vs. Temperature Rev. B | Page 10 of 27 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION GAIN VALUES OPEN WIRE FAULT DETECTION SHORTED WIRE FAULT DETECTION FLOATING VPOS, VNEG, OR VCLAMP FAULT DETECTION DEVICE PROGRAMMING Digital Interface Initial State Simulation Mode Programming Mode Parity Error Detection Read Mode Sense Current Programming Procedure Determining Optimal Gain and Offset Codes EMI/RFI PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE