Datasheet LT1997-3 (Analog Devices) - 7

LT1997-3
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VS = ±15V, Difference Amplifier configuration, unless otherwise noted. Typical Distribution of CMRR Typical Distribution of CMRR Typical Distribution of CMRR (G = 1) (G = 1) (G = 3)
1200 500 1400 22.5k V 22.5k S = ±15V VS = ±25V VS = ±15V 22.5k – V 2.5k 7.5k CM = –28V TO +26.5V 450 22.5k VCM = –160V TO +160V – VCM = –15V TO +17.6V 1000 1200 22.5k + 4625 UNITS 22.5k 400 – +INC = –INC = 0V 7.5k + 4450 UNITS FROM 3 RUNS FROM 3 RUNS 22.5k 22.5k + 2709 UNITS 350 1000 22.5k 800 22.5k FROM 2 RUNS 300 2.5k 800 600 250 200 600 400 NUMBER OF UNITS NUMBER OF UNITS 150 NUMBER OF UNITS 400 100 200 200 50 0 0 0 –30 –20 –10 0 10 20 30 –100 –75 –50 –25 0 25 50 75 100 –30 –20 –10 0 10 20 30 CMRR (µV/V = ppm) CMRR (µV/V = ppm) CMRR (µV/V = ppm) 19973 G01 19973 G02 19973 G03
Typical Distribution of CMRR Typical Distribution of Gain Error Typical Distribution of Gain Error (G = 9) (G = 1) (G = 3)
1200 800 800 22.5k VS = ±15V 22.5k VS = ±15V 22.5k VS = ±15V 2.5k – VCM = –15V TO +14.7V 22.5k – V 700 OUT = ±10V 700 7.5k V – OUT = ±10V 1000 2.5k + 4450 UNITS 22.5k + 7.5k + 4864 UNITS FROM 3 RUNS 600 600 FROM 3 RUNS 22.5k 22.5k 800 22.5k 500 500 600 400 400 300 300 400 NUMBER OF UNITS NUMBER OF UNITS 4864 UNITS NUMBER OF UNITS 200 FROM 3 RUNS 200 200 100 100 0 0 0 –15 –10 –5 0 5 10 15 –50 –40 –30 –20 –10 0 10 20 30 40 50 –150 –100 –50 0 50 100 150 CMRR (µV/V=ppm) GAIN ERROR (ppm) GAIN ERROR (ppm) 19973 G04 19973 G05 19973 G06
Typical Distribution of Gain Error Typical Distribution of Gain (G = 9) Nonlinearity CMRR vs Frequency
800 1200 140 22.5k VS = ±15V 22.5k VS = ±15V 700 2.5k – VOUT = ±10V 22.5k V – OUT = ±10V 120 2.5k + 4864 UNITS 1000 G = 1 22.5k + TIO (dB) 600 FROM 3 RUNS 22.5k 100 800 22.5k 500 80 400 600 60 300 NUMBER OF UNITS 400 NUMBER OF UNITS 40 200 200 G = 1 100 20 4864 UNITS COMMON–MODE REJECTION RA G = 3 FROM 3 RUNS G = 9 0 0 0 –300 –200 –100 0 100 200 300 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2.0 10 100 1k 10k 100k 1M 10M GAIN ERROR (ppm) GAIN NONLINEARITY (ppm) FREQUENCY (Hz) 19973 G07 19973 G08 19973 G09 Rev A For more information www.analog.com 7 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS