Datasheet AD8557 (Analog Devices) - 8

Data Sheet AD8557 TYPICAL PERFORMANCE CHARACTERISTICS 20 180 VSY = 5V 15 160 ) V 140 10 (µ E RS G IE 120 A 5 +125°C IF LT L P O 100 V +25°C T 0 AM E F 80 FFS –5 R O BE 60 T O –40°C U P –10 NUM IN 40 –15 20 –20 0 0 1 2 3 4 5
04 0
–10 –8 –6 –4 –2 0 2 4 6 8 10
07 0 3- 3-
COMMON-MODE VOLTAGE (V)
01
INPUT OFFSET VOLTAGE (µV)
01 06 06 Figure 4. Input Offset Voltage vs. Common-Mode Voltage, VSY = 5 V Figure 7. Input Offset Voltage Distribution, VSY = 2.7 V
10 15 VSY = 2.7V 8 10 ) 6 ) V V (µ (µ E 4 +125°C E G G 5 A A T LT 2 L O O 5V V V T 0 0 E +25°C ET S –2 F FFS F O –5 T O –4 T U P –40°C 2.7V PU IN –6 IN –10 –8 –10 –15 0 0.5 1.0 1.5 2.0 2.5
05 08 0
–50 –25 0 25 50 75 100 125 150 175
0 3- 3-
COMMON-MODE VOLTAGE (V)
01
TEMPERATURE (°C)
01 06 06 Figure 5. Input Offset Voltage vs. Common-Mode Voltage, VSY = 2.7 V Figure 8. Input Offset Voltage vs. Temperature
180 30 160 25 140 S RS R IE 120 IE 20 IF IF L L P 100 P M AM 15 F 80 OF A R O R E BE 60 B 10 M U NUM N 40 5 20 0 0 –10 –8 –6 –4 –2 0 2 4 6 8 10
06
0 5 10 15 20 25 30 35 40 45 50 55 60 65
9 0 3- -00 3
INPUT OFFSET VOLTAGE (µV )
01
T
01 06
CVOS (nV/°C)
06 Figure 6. Input Offset Voltage Distribution, VSY = 5 V Figure 9. TCVOS at VSY = 5 V, −40°C ≤TA ≤ +125°C Rev. D | Page 7 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY 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 Read Mode Sense Current Programming Procedure Determining Optimal Gain and Offset Codes OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS