Datasheet AD626 (Analog Devices) - 6

AD626 100 1000 95 VS =
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5V DUAL SUPPLY 90 GAIN = 100 100 85 VS = +5V SINGLE SUPPLY 80 GAIN = 10 VS =
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5 10 CLOSED-LOOP GAIN 75 VS =
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5V COMMON-MODE REJECTION – dB DUAL SUPPLY 70 65 010 100 1k 10k 100k 1M 20 22 24 26 28 30 FREQUENCY – Hz INPUT COMMON-MODE VOLTAGE – V
TPC 7. Closed-Loop Gain vs. Frequency TPC 10. Common-Mode Rejection vs. Input Common- Mode Voltage for Dual-Supply Operation
140 100 120 G = 10, 100 90 100 G = 10, 100 VS = +5 80 G = 100 80 60 VS =
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5 40 G = 10 70 V COMMON-MODE REJECTION – dB S =
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5 COMMON-MODE REJECTION – dB 20 0 60 0.1 1 10 100 1k 10k 100k 1M 0 20 40 60 80 FREQUENCY – Hz INPUT SOURCE RESISTANCE MISMATCH –
⍀ TPC 8. Common-Mode Rejection vs. Frequency TPC 11. Common-Mode Rejection vs. Input Source Resistance Mismatch
100 0.7 G = 10, 100 CURVE APPLIES TO 95 0.6 ALL SUPPLY VOLTAGES AND GAINS BETWEEN 10 AND 100 90 0.5 TOTAL GAIN ERROR = 85 0.4 GAIN ACCURACY (FROM SPEC TABLE) + ADDITIONAL GAIN ERROR 80 0.3 VS = +5 75 0.2 COMMON-MODE REJECTION – dB ADDITIONAL GAIN ERROR – % 70 0.1 65 0.0 –5 0 5 10 15 20 25 10 100 1k INPUT COMMON-MODE VOLTAGE – V SOURCE RESISTANCE MISMATCH –
⍀ TPC 9. Common-Mode Rejection vs. Input Common- TPC 12. Additional Gain Error vs. Source Mode Voltage for Single-Supply Operation Resistance Mismatch –6– REV. D Document Outline FEATURES APPLICATIONS PRODUCT DESCRIPTION CONECTION DIAGRAM SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLY ABSOLUTE MAXIMUM RATINGS ORDERING GUIDE Typical Performance Characteristics THEORY OF OPERATION ADJUSTING THE GAIN OF THE AD626 SINGLE-POLE LOW-PASS FILTERING CURRENT SENSOR INTERFACE BRIDGE APPLICATION OUTLINE DIMENSIONS Revision History