LTC6915 Typical perForMance characTerisTicsInput Offset Voltage vs InputInput Offset Voltage vs InputInput Offset Voltage vs InputCommon ModeCommon ModeCommon Mode 0 2 8 VS = 3V VS = 5V VS = ±5V 6 –2 VREF = 0.2V 0 VREF = 0.2V VREF = 0V TA = 25°C T T –2 A = 25°C 4 A = 25°C –4 –4 2 –6 0 –6 AV = 4096 AV = 4096 –2 –8 –8 A A V = 256 V = 4096 A –4 V = 256 –10 –10 –6 AV = 16 –12 AV = 256 –12 –8 INPUT OFFSET VOLTAGE (µV) A A A INPUT OFFSET VOLTAGE (µV) –14 V = 16 INPUT OFFSET VOLTAGE (µV) V = 16 V = 1 –10 –14 –16 –12 AV = 1 A –16 –18 –14 V = 1 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 –5 –4 –3 –2 –1 0 1 2 3 4 5 INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) 6915 G01 6915 G02 6915 G03 Input Offset Voltage vs InputInput Offset Voltage vs InputInput Offset Voltage vs InputCommon ModeCommon ModeCommon Mode 20 20 20 VS = 3V VS = 5V VS = ±5V 15 VREF = 0.2V 15 VREF = 0.2V 15 VREF = 0V AV = 16 AV = 16 AV = 16 TA = –50°C 10 10 10 TA = 25°C 5 5 5 T T A = 125°C A = 125°C 0 0 TA = 125°C 0 –5 T –5 T A = 85°C A = 85°C –5 TA = 85°C –10 TA = 70°C –10 T –10 TA = 25°C INPUT OFFSET VOLTAGE (µV) A = 25°C TA = 70°C INPUT OFFSET VOLTAGE (µV) T –15 A = 70°C INPUT OFFSET VOLTAGE (µV) –15 TA = –50°C –15 –20 TA = –50°C –20 –20 –25 0 0.5 1.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5 –5 –3 –1 1 3 5 INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) 6915 G04 6915 G05 6915 G06 Error Due to Input RS vs InputError Due to Input RS vs InputError Due to Input RS vs InputCommon ModeCommon ModeCommon Mode 10 20 20 VS = 5V VS = ±5V VREF = 0.2V VREF = 0V 0 RS = 5k R R+ = R– = R R S = 20k S S = 20k R+ = R– = RS 10 CIN < 100pF 10 CIN < 100pF R A RS = 10k –10 RS = 10k AV = 16 S = 10k V = 16 TA = 25°C R T S = 15k A = 25°C RS = 15k R –20 S = 15k 0 0 R R S = 5k RS = 5k S = 20k –30 VS = 3V V RS RS RS ADDITIONAL OFFSET (µV) REF = 0.2V R+ = R– = R + ADDITIONAL OFFSET (µV) –10 ADDITIONAL OFFSET (µV) –10 S + + –40 C C C C IN < 100pF IN IN IN A – – – V = 16 TA = 25°C RS RS RS –50 –20 –20 0 0.5 1.0 1.5 2.0 2.5 3.0 0 1 2 3 4 5 –5 –3 –1 1 3 5 INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) 6915 G07 6915 G08 6915 G09 6915fb 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Operation Typical Application Package Description Revision History Typical Application Related Parts