Datasheet AD8646, AD8647, AD8648 (Analog Devices) - 7

Data Sheet AD8646/AD8647/AD8648 TYPICAL PERFORMANCE CHARACTERISTICS 300 200 VSY = 2.7V VSY = 5V VCM = 1.35V 180 VCM = 2.5V T T 250 A = 25°C A = 25°C 2244 AMPLIFIERS 160 2244 AMPLIFIERS RS RS 140 IE 200 IE IF IF L L P 120 P AM 150 AM 100 F F R O R O 80 BE 100 BE 60 NUM NUM 40 50 20 0 0 –2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
004
–2.0 –1.5 –1.0 –0.5 0 0.5 1.0 1.5 2.0
007
VOS (mV) VOS (mV)
06527- 06527- Figure 4. Input Offset Voltage Distribution Figure 7. Input Offset Voltage Distribution
35 35 VSY = 2.7V VSY = 5V –40°C < T –40°C < T A < +125°C A < +125°C 30 30 RS 25 RS 25 IE IE IF IF L L P 20 P 20 AM AM F F 15 15 R O R O BE BE 10 10 NUM NUM 5 5 0 0 0 1 2 3 4 5 6 7
005
0 1 2 3 4 5 6 7 8
008
TCVOS (µV/°C) TCVOS (µV/°C)
06527- 06527- Figure 5. VOS Drift (TCVOS) Distribution Figure 8. VOS Drift (TCVOS) Distribution
2500 2500 VSY = 2.7V VSY = 5V 2000 TA = 25°C 2000 TA = 25°C ) 1500 ) 1500 V µV ( (µ 1000 E 1000 GE G A 500 T 500 L OLTA O V T V 0 0 T E SE –500 –500 FF O T OFFS T –1000 U –1000 U P P IN N –1500 I –1500 –2000 –2000 –2500 –2500
009
0 0.5 1.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5
006
INPUT COMMON-MODE VOLTAGE (V)
06527-
INPUT COMMON-MODE VOLTAGE (V)
06527- Figure 6. Input Offset Voltage vs. Input Common-Mode Voltage Figure 9. Input Offset Voltage vs. Input Common-Mode Voltage Rev. F | Page 7 of 18 Document Outline FEATURES APPLICATIONS PIN CONFIGURATIONS GENERAL DESCRIPTION REVISION HISTORY Revision History: AD8646/AD8647/AD8648 Revision History: AD8646 Revision History: AD8648 SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER-DOWN OPERATION MULTIPLEXING OPERATION OUTLINE DIMENSIONS ORDERING GUIDE