Datasheet LT6550, LT6551 (Analog Devices) - 7

LT6550/LT6551
W U 5V/3.3V TYPICAL PERFOR A CE CHARACTERISTICS VEE (Pin 5) = 0V (LT6550), GND (Pin 5) = 0V (LT6551) Frequency Response with Capacitive Load Handling, Capacitive Loads Overshoot vs Capacitive Load Slew Rate vs Temperature
12 45 500 VS = 5V, 0V VS = 5V, 0V RL = 150Ω 11 VOUT = 2.5V DC 40 R 450 5V, 0V, RISING 10 L = 150Ω CL = 150pF 35 R 9 L = OPEN 400 CL = 100pF 30 µs) 8 C 25 350 5V, 0V, FALLING L = 50pF 7 RL = 150Ω 20 GAIN (dB) 6 300 3.3V, 0V, RISING C OVERSHOOT (%) 15 5 L = 10pF SLEW RATE (V/ 250 10 4 3.3V, 0V, FALLING 200 3 5 2 0 150 10k 100k 1M 10M 100M 500M 10 100 1000 –50 –25 0 25 50 75 100 125 FREQUENCY (Hz) CAPACITIVE LOAD (pF) TEMPERATURE (°C) 6550/51 G13 6550/51 G14 6550/51 G15
Power Supply Rejection Ratio vs Frequency Output Impedance vs Frequency Channel Separation vs Frequency
60 100 100 VS = 5V, 0V VS = 5V, 0V VS = 5V, 0V V V 90 OUT = 2.5V DC OUT = 2.5V DC RL = 150Ω 50 +PSSR RL = 150Ω 80 ANY CHANNEL PAIR ) Ω 70 40 10 60 30 50 GAIN(dB) 40 20 1 30 OUTPUT IMPEDANCE ( 20 10 POWER SUPPLY REJECTION RATIO (dB) 10 0 0.1 0 10k 100k 1M 10M 100M 1000M 10k 100k 1M 10M 100M 10k 100k 1M 10M 100M 1000M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 6550/51 G16 6550/51 G17 6550/51 G18
2nd and 3rd Harmonic Distortion Gain Matching vs Frequency vs Frequency Small Signal Response
0 –30 VS = 3.3V, 0V VO = 2VP-P (0.5V TO 2.5V) R –0.2 –40 L = 150Ω –50 –0.4 –60 2ND –0.6 –70 GAIN MATCHING(dB) DISTORTION (dBc) 3RD –0.8 –80 6550/51 G21 V C S = 3.3V, 0V L = 20pF V V OUT = 1.5V DC, ANY CHANNEL PAIR S = 5V, 0V –1.0 –90 VOUT = 2.5V DC 10k 100k 1M 10M 100M 1000M 100k 1M 10M RL = 150Ω FREQUENCY (Hz) FREQUENCY (Hz) 6550/51 G19 6550/51 G20 65501fa 7