Datasheet LT6552 (Analog Devices) - 8

LT6552
W U TYPICAL PERFOR A CE CHARACTERISTICS Input Noise Voltage Density vs Input Noise Current Density vs Open-Loop Gain Frequency Frequency
500 225 5 V V S = ±5V S = 5V, 0V VS = 5V, 0V µV) 400 √Hz) V 200 CM = 1V √Hz) VCM = 1V 300 4 175 200 150 100 3 0 RL = 1k 125 –100 100 2 RL = 150Ω –200 75 –300 1 50 –400 CHANGE IN INPUT OFFSET VOLTAGE ( INPUT NOISE VOLTAGE DENSITY (nV/ INPUT NOISE CURRENT DENSITY (pA/ –500 25 0 –5 –4 –3 –2 –1 0 1 2 3 4 5 100 1k 10k 100k 100 1k 10k 100k OUTPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (Hz) 6552 G11 6552 G12 6552 G10
Closed-Loop Voltage Gain vs Open-Loop Gain and Phase vs Frequency Gain Flatness vs Frequency Frequency
10 6.2 70 140 A A V = 2 V = 2 CL = 5pF 9 V 60 120 VOUT = 1.5V DC OUT = 1.5V DC RL = 1k V VS = 3.3V, 0V 8 S = 3.3V, 0V 6.1 50 TA = 25°C 100 PHASE VS = ±5V 7 40 80 VS = 3.3V, OV PHASE (DEG) 6 6.0 30 VCM = 1V 60 3.3V 3.3V 5 3 3 V 7 V 7 IN + 20 40 IN + 2 2 – 6 – 6 LT6552 4 LT6552 1 VOUT 5.9 1 VOUT V REF 10 20 V REF DC V DC 8 S = 3.3V, OV 8 R FB R FB L 4 L OPEN-LOOP GAIN V 3 4 R R F 150Ω CM = 1V F 150Ω 0 0 500Ω 500Ω 2 5.8 VS = ±5V R –10 –20 R G CLOSED-LOOP VOLTAGE GAIN (dB) G 500 CLOSED-LOOP VOLTAGE GAIN (dB) 500Ω Ω GAIN 1 C C F –20 –40 F 8pF 8pF 0 5.7 –30 –60 100k 0.1M 1M 10M 100M 10k 100k 1M 10M 100M 100k 1M 10M 100M 500M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) 6552 G13 6552 G14 6552 G15
Gain Bandwidth Product and Gain Bandwidth Product and Phase Margin vs Temperature Phase Margin vs Supply Voltage –3dB Bandwidth vs Temperature
140 130 85 CL = 5pF CL = 5pF AV = 2 GAIN BANDWIDTH PRODUCT RL = 1k RL = 1k RL = 150Ω 120 TA = 25°C 80 120 V V S = 3.3V, OV CM =1V VS = ±5V V 100 CM = 1V V 75 S = ±5V PRODUCT (MHz) GAIN BANDWIDTH PRODUCT PRODUCT (MHz) GAIN BANDWIDTH 110 GAIN BANDWIDTH 80 70 PHASE MARGIN (DEG) PHASE MARGIN (DEG) 40 40 65 PHASE MARGIN 3dB BANDWIDTH (MHz) V PHASE MARGIN – S = 3.3V, OV VS = ±5V 30 V 30 OUT = 1.5V 60 VS = 3.3V, OV VCM = 1V 20 20 55 –50 –25 0 25 50 75 100 125 0 2 4 6 8 10 12 14 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TOTAL SUPPLY VOLTAGE (V) TEMPERATURE (°C) 6552 G16 6552 G17 6552 G18 6552f 8