Datasheet LT1122 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Fast Settling, JFET Input Operational Amplifier |
| Pages / Page | 14 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Distribution of Input Offset. Input … |
| File Format / Size | PDF / 274 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Distribution of Input Offset. Input Bias and Offset Currents
Model Line for this Datasheet
Text Version of Document
LT1122
TYPICAL PERFORMANCE CHARACTERISTICS Distribution of Input Offset Input Bias and Offset Currents Bias and Offset Currents Over the Voltage Over Temperature Common-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 Drift Noise Spectrum 0.1Hz 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 Distortion Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise (CCIF Method) vs Frequency vs Frequency Inverting Gain vs Frequency Noninverting Gain LT1122 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
TYPICAL PERFORMANCE CHARACTERISTICS Distribution of Input Offset Input Bias and Offset Currents Bias and Offset Currents Over the Voltage Over Temperature Common-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 Drift Noise Spectrum 0.1Hz 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 Distortion Total Harmonic Distortion + Noise Total Harmonic Distortion + Noise (CCIF Method) vs Frequency vs Frequency Inverting Gain vs Frequency Noninverting Gain LT1122 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
