LT1122 TYPICAL PERFORMANCE CHARACTERISTICSDistribution of Input OffsetInput Bias and Offset CurrentsBias and Offset Currents Over theVoltageOver TemperatureCommon-Mode Range 800 100k 120 3370 UNITS TESTED V = ±15V S V = ±15V S V = ±15V S IN ALL PACKAGES T = 25°C A 30k V = 0V CM T = 25°C A (NOT WARMED UP) 100 10k (NOT-WARMED UP) 600 3k BIAS 80 1k CURRENT BIAS 400 300 60 CURRENT 100 NUMBER OF UNITS 30 40 OFFSET 200 OFFSET CURRENT 10 CURRENT 20 INPUT BIAS AND OFFSET CURRENTS (pA) 3 INPUT BIAS AND OFFSET CURRENT (pA) 0 1 0 –900 –500 –100 100 500 900 0 25 50 75 100 125 15 10 5 0 5 10 15 INPUT OFFSET VOLTAGE (µV) CHIP TEMPERATURE (°C) COMMON-MODE INPUT VOLTAGE (V) 1122 TPC05 1122 TPC06 1122 TPC07 Warm-Up DriftNoise Spectrum0.1Hz to 10Hz Noise 250 1000 V = ±15V S V = ±15V S T = 25°C A SO PACKAGE ) T = 25°C A V) 200 Hz /√ TAGE (µ N PACKAGE Y (nV µV/DIV) 150 J PACKAGE 100 TAGE (1 100 NOISE VOL 50 TAGE NOISE DENSIT CHANGE IN OFFSET VOL IN STILL AIR (SO PACKAGE VOL SOLDERED ONTO BOARD) 1 10 0 1 2 3 1 3 10 30 100 300 1k 3k 10k 0 2 4 6 8 10 TIME AFTER POWER ON (MINUTES) FREQUENCY (Hz) TIME (SECONDS) 1122 TPC10 1122 TPC08 1122 TPC09 Intermodulation DistortionTotal Harmonic Distortion + NoiseTotal Harmonic Distortion + Noise(CCIF Method) vs Frequencyvs Frequency Inverting Gainvs Frequency Noninverting GainLT1122 and LF156* 0.1 0.1 0.1 T = 25°C V = ±15V A S V = ±15V T = 25°C S A Z = 5k//15pF A = –10 L V V = 7V RMS V = 7V RMS O O Z = 5k//15pF LF156 L 0.01 0.01 TION (IMD) (%) 0.01 TION + NOISE (%) TION + NOISE (%) A A V = –50 V = 50 AV = 10 A TION DISTOR 0.001 V = –10 0.001 0.001 AV =1 AV = –1 T = 25°C A V = ±15V S AL HARMONIC DISTOR AL HARMONIC DISTOR Z = 5k//15pF LT1122 L TOT TOT V = 7V RMS INTERMODULA 0.0001 O 0.0001 0.0001 20 100 1k 10k 20k 20 100 1k 10k 20k 3k 10k 20k FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1122 TPC11 1122 TPC12 *SEE LT1115 DATA SHEET FOR DEFINITION OF CCIF TESTING 1122 TPC13 1122fb For more information www.linear.com/LT1122 7