Datasheet LT1997-2 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Precision, Wide Voltage Range, Gain Selectable Funnel Amplifier |
| Pages / Page | 26 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VS = ±15V, Difference … |
| File Format / Size | PDF / 2.8 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. TA = 25°C, VS = ±15V, Difference Amplifier. configuration, unless otherwise noted
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LT1997-2
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VS = ±15V, Difference Amplifier configuration, unless otherwise noted. Frequency Response vs Output Noise Density vs Output 0.1Hz to 10Hz Noise Capacitive Load (G = 0.25) Frequency (G = 0.25) (G = 0.25)
10 80 20pF 5 220pF 70 390pF 0 560pF /√Hz) 60 –5 /DIV) Y (nV –10 50 –15 40 GAIN (dB) TAGE (200nV –20 30 –25 20 –30 TAGE NOISE DENSIT NOISE VOL VOL –35 10 –40 0 0.001 0.01 0.1 1 10 1 10 100 1k 10k 100k FREQUENCY (MHz) FREQUENCY (Hz) TIME (10s/DIV) 19972 G28 19972 G29 19972 G30
Positive PSRR vs Frequency Negative PSRR vs Frequency Slew Rate vs Temperature
160 140 2.0 G = 0.1 G = 0.1 G = 0.2 RL = 10kΩ 140 G = 0.2 1.8 G = 0.25 120 G = 0.25 TIO (dB) 1.6 120 TIO (dB) 100 1.4 RISING EDGE 100 /µs) 80 1.2 80 TE (V 1.0 Y REJECTION RA 60 Y REJECTION RA 60 0.8 FALLLING EDGE SLEW RA 40 0.6 40 0.4 20 20 POWER SUPPL POWER SUPPL 0.2 0 0 0 10 100 1k 10k 100k 10 100 1k 10k 100k –75 –50 –25 0 25 50 75 100 125 150 175 FREQUENCY (Hz) FREQUENCY (Hz) TEMPERATURE (°C) 19972 G31 19972 G32 19972 G33
Large-Signal Step Response Small-Signal Step Response Settling Time
140 4.0 6 G = 0.25 G = 0.25 G = 0.25 RL = 10kΩ 120 RL=10kΩ C 3.5 4 C L = 560pF L = 560pF 100 3.0 2 80 OUTPUT VOLTAGE OUTPUT VOL 2.5 0 60 /DIV) 40 2.0 –2 TAGE (mV) 20 1.5 –4 T TAGE (mV) AGE (V) TAGE (5V 0 1.0 –6 VOL C VOL L = 390pF –20 0.5 –8 ERROR VOL –40 C ERROR VOLTAGE L = 270pF 0 –10 –60 CL = 20pF –80 –0.5 –12 –100 –1.0 –14 0 5 10 15 20 25 30 35 40 TIME (20µs/DIV) TIME (µs) TIME (10µs/DIV) 19972 G34 19972 G35 19972 G36 Rev 0 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 TYPICAL APPLICATION RELATED PARTS
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VS = ±15V, Difference Amplifier configuration, unless otherwise noted. Frequency Response vs Output Noise Density vs Output 0.1Hz to 10Hz Noise Capacitive Load (G = 0.25) Frequency (G = 0.25) (G = 0.25)
10 80 20pF 5 220pF 70 390pF 0 560pF /√Hz) 60 –5 /DIV) Y (nV –10 50 –15 40 GAIN (dB) TAGE (200nV –20 30 –25 20 –30 TAGE NOISE DENSIT NOISE VOL VOL –35 10 –40 0 0.001 0.01 0.1 1 10 1 10 100 1k 10k 100k FREQUENCY (MHz) FREQUENCY (Hz) TIME (10s/DIV) 19972 G28 19972 G29 19972 G30
Positive PSRR vs Frequency Negative PSRR vs Frequency Slew Rate vs Temperature
160 140 2.0 G = 0.1 G = 0.1 G = 0.2 RL = 10kΩ 140 G = 0.2 1.8 G = 0.25 120 G = 0.25 TIO (dB) 1.6 120 TIO (dB) 100 1.4 RISING EDGE 100 /µs) 80 1.2 80 TE (V 1.0 Y REJECTION RA 60 Y REJECTION RA 60 0.8 FALLLING EDGE SLEW RA 40 0.6 40 0.4 20 20 POWER SUPPL POWER SUPPL 0.2 0 0 0 10 100 1k 10k 100k 10 100 1k 10k 100k –75 –50 –25 0 25 50 75 100 125 150 175 FREQUENCY (Hz) FREQUENCY (Hz) TEMPERATURE (°C) 19972 G31 19972 G32 19972 G33
Large-Signal Step Response Small-Signal Step Response Settling Time
140 4.0 6 G = 0.25 G = 0.25 G = 0.25 RL = 10kΩ 120 RL=10kΩ C 3.5 4 C L = 560pF L = 560pF 100 3.0 2 80 OUTPUT VOLTAGE OUTPUT VOL 2.5 0 60 /DIV) 40 2.0 –2 TAGE (mV) 20 1.5 –4 T TAGE (mV) AGE (V) TAGE (5V 0 1.0 –6 VOL C VOL L = 390pF –20 0.5 –8 ERROR VOL –40 C ERROR VOLTAGE L = 270pF 0 –10 –60 CL = 20pF –80 –0.5 –12 –100 –1.0 –14 0 5 10 15 20 25 30 35 40 TIME (20µs/DIV) TIME (µs) TIME (10µs/DIV) 19972 G34 19972 G35 19972 G36 Rev 0 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 TYPICAL APPLICATION RELATED PARTS
