Datasheet LT1997-3 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Precision, Wide Voltage Range Gain Selectable Amplifier |
| Pages / Page | 38 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VS = ±15V, Difference … |
| Revision | A |
| File Format / Size | PDF / 3.3 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VS = ±15V, Difference Amplifier. configuration, unless otherwise noted
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LT1997-3
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VS = ±15V, Difference Amplifier configuration, unless otherwise noted. Frequency Response vs Frequency Response vs Gain vs Frequency Capacitive Load (G = 1) Capacitive Load (G = 3)
30 30 30 25 20 20 G = 9 20 10 10 15 G = 3 10 0 0 GAIN (dB) GAIN (dB) GAIN (dB) 5 –10 –10 G = 1 0pF 0pF 0 220pF 220pF –20 560pF –20 560pF –5 680pF 680pF 1000pF –10 –30 –30 0.001 0.01 0.1 1 2 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 19973 G26 19973 G27 19973 G28
Frequency Response vs Op Amp Noise Density vs Capacitive Load (G = 9) Frequency 0.1Hz to 10Hz Noise
30 40 MEASURED IN G = 13 MEASURED IN G = 13 REFERRED TO OP AMP INPUTS 35 REFERRED TO OP AMP INPUTS 20 /√Hz) 30 /DIV) 10 Y (nV 25 0 20 GAIN (dB) TAGE (200nV 15 –10 0pF 220pF 10 TAGE NOISE DENSIT NOISE VOL –20 560pF VOL 680pF 5 1000pF –30 0 0.001 0.01 0.1 1 10 1 10 100 1k 10k 100k FREQUENCY (MHz) FREQUENCY (Hz) TIME (10s/DIV) 19973 G29 19973 G30 19973 G31
Positive PSRR vs Frequency Negative PSRR vs Frequency
160 140 140 120 TIO (dB) 120 TIO (dB) 100 100 80 80 Y REJECTION RA 60 Y REJECTION RA 60 40 40 G = 1 G = 1 20 20 POWER SUPPL G = 3 POWER SUPPL G = 3 G = 9 G = 9 0 0 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) 19973 G32 19973 G33 Rev A 10 For more information www.analog.com 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
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VS = ±15V, Difference Amplifier configuration, unless otherwise noted. Frequency Response vs Frequency Response vs Gain vs Frequency Capacitive Load (G = 1) Capacitive Load (G = 3)
30 30 30 25 20 20 G = 9 20 10 10 15 G = 3 10 0 0 GAIN (dB) GAIN (dB) GAIN (dB) 5 –10 –10 G = 1 0pF 0pF 0 220pF 220pF –20 560pF –20 560pF –5 680pF 680pF 1000pF –10 –30 –30 0.001 0.01 0.1 1 2 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 19973 G26 19973 G27 19973 G28
Frequency Response vs Op Amp Noise Density vs Capacitive Load (G = 9) Frequency 0.1Hz to 10Hz Noise
30 40 MEASURED IN G = 13 MEASURED IN G = 13 REFERRED TO OP AMP INPUTS 35 REFERRED TO OP AMP INPUTS 20 /√Hz) 30 /DIV) 10 Y (nV 25 0 20 GAIN (dB) TAGE (200nV 15 –10 0pF 220pF 10 TAGE NOISE DENSIT NOISE VOL –20 560pF VOL 680pF 5 1000pF –30 0 0.001 0.01 0.1 1 10 1 10 100 1k 10k 100k FREQUENCY (MHz) FREQUENCY (Hz) TIME (10s/DIV) 19973 G29 19973 G30 19973 G31
Positive PSRR vs Frequency Negative PSRR vs Frequency
160 140 140 120 TIO (dB) 120 TIO (dB) 100 100 80 80 Y REJECTION RA 60 Y REJECTION RA 60 40 40 G = 1 G = 1 20 20 POWER SUPPL G = 3 POWER SUPPL G = 3 G = 9 G = 9 0 0 10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz) 19973 G32 19973 G33 Rev A 10 For more information www.analog.com 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
