LT1228 ABSOLUTE MAXIMUM RATINGSPIN CONFIGURATION(Note 1) Supply Voltage ... ±18V TOP VIEW Input Current, Pins 1, 2, 3, 5, 8 (Note 8) ..±15mA I 1 8 OUT GAIN Output Short Circuit Duration (Note 2) ...Continuous + – –IN 2 g 7 V+ m Operating Temperature Range +IN 3 6 VOUT LT1228C ...0°C to 70°C V– 4 5 ISET LT1228I ..–40°C to 85°C N8 PACKAGE S8 PACKAGE LT1228M (OBSOLETE) .. –55°C to 125°C 8-LEAD PDIP 8-LEAD PLASTIC SO Storage Temperature Range ..–65°C to 150°C TJMAX = 150°C, θJA = 100°C/W (N) TJMAX = 150°C, θJA = 150°C/W (N) Junction Temperature Plastic Package ... 150°C J8 PACKAGE 8-LEAD CERDIP Ceramic Package (OBSOLETE) ... 175°C TJMAX = 175°C, θJA = 100°C/W (J) Lead Temperature (Soldering, 10 sec) ...300°C OBSOLETE PACKAGEORDER INFORMATION LEAD FREE FINISHTAPE AND REELPART MARKINGPACKAGE DESCRIPTIONTEMPERATURE RANGE LT1228CN8#PBF LT1228CN8#TRPBF LT1228CN8 8-Lead Plastic DIP 0°C to 70°C LT1228IN8#PBF LT1228IN8#TRPBF LT1228IN8 8-Lead Plastic DIP –40°C to 85°C LT1228CS8#PBF LT1228CS8#TRPBF 1228 8-Lead Plastic SO 0°C to 70°C LT1228IS8#PBF LT1228IS8#TRPBF 1228I 8-Lead Plastic SO –40°C to 85°C OBSOLETE PACKAGE LT1228MJ8 LT1228MJ8#TRPBF LT1228MJ8 8-Lead CERDIP –55°C to 125°C LT1228CJ8 LT1228CJ8#TRPBF LT1228CJ8 8-Lead CERDIP 0°C to 70°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on nonstandard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICALCHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. Current Feedback Amplifier, Pins 1, 6, 8. ±5V ≤ VS ≤ ±15V, ISET = 0µA,VCM = 0V unless otherwise noted. SYMBOLPARAMETERCONDITIONSMINTYPMAXUNITS VOS Input Offset Voltage TA = 25°C ±3 ±10 mV l ±15 mV Input Offset Voltage Drift l 10 µV/°C I + IN Noninverting Input Current TA = 25°C ±0.3 ±3 µA l ±10 µA I – IN Inverting Input Current TA = 25°C ±10 ±65 µA l ±100 µA en Input Noise Voltage Density f = 1kHz, RF = 1k, RG = 10Ω, RS = 0Ω 6 nV/√Hz in Input Noise Current Density f = 1kHz, RF = 1k, RG = 10Ω, RS = 10k 1.4 pV/√Hz 1228fd 2 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Simplified Schematic Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts