Datasheet LT1797 (Analog Devices) - 6

LT1797
Typical perForMance characTerisTics Input Noise Current Density Gain and Phase Shift Gain Bandwidth Product vs Frequency vs Frequency vs Temperature
1.2 70 100 12.0 ) VS = ±2.5V VS = ±2.5V f = 100kHz Hz 60 80 11.5 1.0 50 60 PHASE 11.0 40 40 0.8 PHASE (DEG) VS = ±5V 30 20 10.5 GAIN 0.6 20 0 10.0 GAIN (dB) 10 –20 VS = ±2.5V 9.5 0.4 0 –40 9.0 –10 –60 0.2 –20 –80 GAIN BANDWIDTH PRODUCT (MHz) 8.5 INPUT NOISE CURRENT DENSITY (pA/√ 0 –30 –100 8.0 10 100 1k 10k 100k 10k 100k 1M 10M 100M –50 –25 0 25 50 75 100 125 FREQUENCY (Hz) FREQUENCY (Hz) TEMPERATURE (°C) 1797 G10 1797 G11 1797 G12
Gain Bandwidth Product and Gain Bandwidth Product and Slew Rate vs Temperature Phase Margin vs Supply Voltage Phase Margin vs RF and RG
3.5 60 60 VS = ±2.5V f = 100kHz V 55 S = ±5V RF = RG = 1k 50 3.0 50 PHASE MARGIN 40 RISING 45 PHASE MARGIN (DEG) PHASE MARGIN PHASE MARGIN (DEG) 40 30 2.5 35 20 FALLING 30 10 2.0 13 14 SLEW RATE (V/µs) 12 GAIN BANDWIDTH PRODUCT 13 11 1.5 12 GAIN BANDWIDTH PRODUCT GAIN BANDWIDTH PRODUCT (MHz) 10 GAIN BANDWIDTH PRODUCT (MHz) 9 11 1.0 8 10 –50 –25 0 25 50 75 100 125 0 1 2 3 4 5 6 7 8 9 10 11 12 1k 10k 100k TEMPERATURE (°C) TOTAL SUPPLY VOLTAGE (V) RF = RG = (Ω) 1797 G13 1797 G14 1797 G15
PSRR vs Frequency CMRR vs Frequency Output Impedance vs Frequency
90 110 100 VS = ±2.5V VS = ±2.5V VS = ±2.5V 80 100 70 90 GAIN = 100 10 60 80 NEGATIVE SUPPLY 50 70 POSITIVE SUPPLY 40 60 1 30 GAIN = 10 50 20 40 OUTPUT IMPEDANCE (Ω) 0.1 10 30 POWER SUPPLY REJECTION RATIO (dB) 0 COMMON MODE REJECTION RATIO (dB) 20 –10 10 0.01 1k 10k 100k 1M 10M 1k 10k 100k 1M 10M 100 1k 10k 100k 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 1797 G16 1797 G17 1797 G18 1797fc 6 For more information www.linear.com/LT1797