Datasheet LT1457 (Analog Devices) - 5
| Fabricante | Analog Devices |
| Descripción | Dual, Precision JFET Input Op Amp |
| Páginas / Página | 8 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Common-Mode Rejection Ratio. … |
| Formato / tamaño de archivo | PDF / 226 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Common-Mode Rejection Ratio. Common-Mode Range vs. Common-Mode and Power Supply
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LT1457
W U TYPICAL PERFORMANCE CHARACTERISTICS Common-Mode Rejection Ratio Common-Mode Range vs Common-Mode and Power Supply vs Frequency Temperature Rejections vs Temperature
120 15 120 VS = ±15V VS = ±5V TO ±17V FOR PSRR 14 T V 100 A = 25°C S = ±15V, VCM = ±10.5V FOR CMRR 13 12 80 110 11 PSRR 60 ±10 CMRR (dB) –11 CMRR 40 100 CMRR, PSRR (dB) –12 COMMON -MODE RANGE (V) –13 20 –14 VS = ±15V 0 –15 90 10 100 1k 10k 100k 1M 10M – 50 – 25 0 25 50 75 100 –50 –25 0 25 50 75 100 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) LT1457• TPC10 LT1457 • TPC11 LT1457 • TPC12
Slew Rate, Gain-Bandwidth Short-Circuit Current vs Time Product vs Temperature Supply Current vs Temperature (One Output Shorted to Ground)
10 3 50 VS = ±15V 2.5 40 TA = –40°C 8 30 SLEW FALL 20 2.0 µs) GBW (MHz) 2 VS = ±15V 10 T T 6 A = 25°C A = 85°C GBW 0 V 1.5 S = ±5V T T –10 A = 25°C A = 85°C 4 SLEW RATE (V/ 1 CIRCUIT CURRENT (mA) –20 SLEW RISE 1.0 –30 SHORT- TA = –40°C 2 – 40 V SUPPLY CURRENT PER AMPLIFIER (mA) S = ±15V 0 – 50 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 0 1 2 3 TEMPERATURE (°C) TEMPERATURE (°C) TIME FROM OUTPUT SHORT TO GROUND (MINUTES) LT1457 • TPC18 LT1457 • TPC14 LT1457 • TPC15
Undistorted Output Swing vs Power Supply Rejection Ratio Gain, Phase vs Frequency Frequency vs Frequency
25 30 140 PHASE MARGIN = 80°, CL = 10pF VS = ±15V TA = 25°C 20 PHASE MARGIN = 51°, CL = 1000pF 100 TA = 25°C 120 24 15 80 PHASE MARGIN (DEG) CL = 10pF 100 10 60 POSITIVE PHASE 18 80 SUPPLY 5 40 CL = 1000pF GAIN 60 PSRR (dB) NEGATIVE 0 20 12 SUPPLY VOLTAGE GAIN (dB) 40 – 5 0 CL = 1000pF 6 V –10 S = ±15V –20 PEAK TO PEAK OUTPUT SWING (V) 20 TA = 25°C CL = 10pF –15 0 0 0.1 1.0 10 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) LT1457 • TPC16 LT11457• TPC17 LT1457• TPC13 5
W U TYPICAL PERFORMANCE CHARACTERISTICS Common-Mode Rejection Ratio Common-Mode Range vs Common-Mode and Power Supply vs Frequency Temperature Rejections vs Temperature
120 15 120 VS = ±15V VS = ±5V TO ±17V FOR PSRR 14 T V 100 A = 25°C S = ±15V, VCM = ±10.5V FOR CMRR 13 12 80 110 11 PSRR 60 ±10 CMRR (dB) –11 CMRR 40 100 CMRR, PSRR (dB) –12 COMMON -MODE RANGE (V) –13 20 –14 VS = ±15V 0 –15 90 10 100 1k 10k 100k 1M 10M – 50 – 25 0 25 50 75 100 –50 –25 0 25 50 75 100 FREQUENCY (Hz) TEMPERATURE (°C) TEMPERATURE (°C) LT1457• TPC10 LT1457 • TPC11 LT1457 • TPC12
Slew Rate, Gain-Bandwidth Short-Circuit Current vs Time Product vs Temperature Supply Current vs Temperature (One Output Shorted to Ground)
10 3 50 VS = ±15V 2.5 40 TA = –40°C 8 30 SLEW FALL 20 2.0 µs) GBW (MHz) 2 VS = ±15V 10 T T 6 A = 25°C A = 85°C GBW 0 V 1.5 S = ±5V T T –10 A = 25°C A = 85°C 4 SLEW RATE (V/ 1 CIRCUIT CURRENT (mA) –20 SLEW RISE 1.0 –30 SHORT- TA = –40°C 2 – 40 V SUPPLY CURRENT PER AMPLIFIER (mA) S = ±15V 0 – 50 –50 –25 0 25 50 75 100 –50 –25 0 25 50 75 100 0 1 2 3 TEMPERATURE (°C) TEMPERATURE (°C) TIME FROM OUTPUT SHORT TO GROUND (MINUTES) LT1457 • TPC18 LT1457 • TPC14 LT1457 • TPC15
Undistorted Output Swing vs Power Supply Rejection Ratio Gain, Phase vs Frequency Frequency vs Frequency
25 30 140 PHASE MARGIN = 80°, CL = 10pF VS = ±15V TA = 25°C 20 PHASE MARGIN = 51°, CL = 1000pF 100 TA = 25°C 120 24 15 80 PHASE MARGIN (DEG) CL = 10pF 100 10 60 POSITIVE PHASE 18 80 SUPPLY 5 40 CL = 1000pF GAIN 60 PSRR (dB) NEGATIVE 0 20 12 SUPPLY VOLTAGE GAIN (dB) 40 – 5 0 CL = 1000pF 6 V –10 S = ±15V –20 PEAK TO PEAK OUTPUT SWING (V) 20 TA = 25°C CL = 10pF –15 0 0 0.1 1.0 10 10k 100k 1M 10M 10 100 1k 10k 100k 1M 10M FREQUENCY (MHz) FREQUENCY (Hz) FREQUENCY (Hz) LT1457 • TPC16 LT11457• TPC17 LT1457• TPC13 5