OP777/OP727/OP7479090VSY =15VVSY =15VVSY =2.5VGAIN = 10M80807070606050504040VOLTAGE – 1V/DIV3030VOLTAGE NOISE DENSITY – nV/ Hz 20VOLTAGE NOISE DENSITY – nV/ Hz20101000TIME – 1s/DIV100200300400500100200300400500FREQUENCY – HzFREQUENCY – Hz TPC 37. 0.1 Hz to 10 Hz Input TPC 38. Voltage Noise Density TPC 39. Voltage Noise Density Voltage Noise 404050VVVSY =15VSY =2.5VSY = 5V40353530303020ISC25251020200101515201010ISC+305SHORT CIRCUIT CURRENT – mAVOLTAGE NOISE DENSITY – nV/ Hz5VOLTAGE NOISE DENSITY – nV/ Hz40005005001k1.5k2.0k2.5k05001k1.5k2.0k2.5k604020 0 20 40 60 80 100 120 140FREQUENCY – HzFREQUENCY – HzTEMPERATURE –C TPC 40. Voltage Noise Density TPC 41. Voltage Noise Density TPC 42. Short Circuit Current vs. Temperature 504.95160VSY =15VVVSY = 5VSY = 5V40I150IL = 1mAL = 1mA4.943014020ISC4.931301012004.92110101004.91203090OUTPUT VOLTAGE HIGH – VOUTPUT VOLTAGE LOW – mVSHORT CIRCUIT CURRENT – mAISC+4.904080504.8970604020 0 20 40 60 80 100 120 140604020 020 406080 100 120 140604020 020 406080 100 120 140TEMPERATURE –CTEMPERATURE –CTEMPERATURE –C TPC 43. Short Circuit Current vs. TPC 44. Output Voltage High vs. TPC 45. Output Voltage Low vs. Temperature Temperature Temperature REV. D –9– Document Outline GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS SIMILAR LOW POWER PRODUCTS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS Typical Performance Characteristics BASIC OPERATION OUTLINE DIMENSIONS ORDERING GUIDE REVISION HISTORY