LT1490A/LT1491A ABSOLUTE MAXIMUM RATINGS (Note 1) Total Supply Voltage (V+ to V–) ... 44V Specified Temperature Range (Note 4) Differential Input Voltage ... 44V LT1490AC/LT1490AI .. –40°C to 85°C Input Current (Note 9) ... ±12mA LT1491AC/LT1491AI ... –40°C to 85°C Output Short-Circuit Duration (Note 2) .. Continuous LT1490AH/LT1491AH ... –40°C to 125°C Operating Temperature Range (Note 3) Junction Temperature .. 150°C LT1490AC/LT1491AC ... –40°C to 85°C Junction Temperature (DD/DHC Package) ... 125°C LT1490AI/LT1491AI ... –40°C to 85°C Storage Temperature Range ... –65°C to 150°C LT1490AH/LT1491AH ... –40°C to 125°C Storage Temperature Range DD/DHC Package .. –65°C to 125°C Lead Temperature (Soldering, 10 sec) .. 300°C PIN CONFIGURATION LT1490A LT1490A LT1490A TOP VIEW TOP VIEW TOP VIEW OUT A 1 8 V+ OUT A 1 8 V+ OUT A 1 8 V+ –IN A 2 7 OUT B –IN A 2 7 OUT B –IN A 2 7 OUT B A A A +IN A 3 6 –IN B +IN A 3 6 –IN B +IN A 3 6 –IN B B B V– 4 5 +IN B B V– 4 5 +IN B V– 4 5 +IN B MS8 PACKAGE 8-LEAD PLASTIC MSOP N8 PACKAGE S8 PACKAGE DD PACKAGE T 8-LEAD PDIP 8-LEAD PLASTIC SO JMAX = 150°C, θJA = 250°C/W 8-LEAD (3mm w 3mm) PLASTIC DFN TJMAX = 150°C, θJA = 130°C/W (N8) T T JMAX = 125°C, θJA = 160°C/W (NOTE 2) JMAX = 150°C, θJA = 190°C/W (S8) UNDERSIDE METAL CONNECTED TO V– LT1491A LT1491A TOP VIEW TOP VIEW OUT A 1 16 OUT D OUT A 1 14 OUT D –IN A 2 15 –IN D –IN A 2 13 –IN D A D A D +IN A 3 14 +IN D +IN A 3 12 +IN D V+ 4 13 V– V + 4 11 V – +IN B 5 12 +IN C +IN B 5 10 +IN C B C B C –IN B 6 11 –IN C –IN B 6 9 –IN C OUT B 7 10 OUT C OUT B 7 8 OUT C NC 8 9 NC N PACKAGE S PACKAGE 14-LEAD PDIP 14-LEAD PLASTIC SO DHC16 PACKAGE T 16-LEAD (5mm w 3mm) PLASTIC DFN JMAX = 150°C, θJA = 110°C/W (N) TJMAX = 150°C, θJA = 150°C/W (S) TJMAX = 125°C, θJA = 160°C/W (NOTE 2) UNDERSIDE METAL CONNECTED TO V– 14901afd 2 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION TYPICAL APPLICATIONS SIMPLIFIED SCHEMATIC PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS