Datasheet LT1497 (Analog Devices) - 5

FabricanteAnalog Devices
DescripciónDual 125mA, 50MHz Current Feedback Amplifier
Páginas / Página12 / 5 — SMALL-SIGNAL BANDWIDTH V. S =. 15V, Peaking. 1dB. 5V, Peaking. – 3dB BW …
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SMALL-SIGNAL BANDWIDTH V. S =. 15V, Peaking. 1dB. 5V, Peaking. – 3dB BW (MHz). TYPICAL PERFORMANCE CHARACTERISTICS

SMALL-SIGNAL BANDWIDTH V S = 15V, Peaking 1dB 5V, Peaking – 3dB BW (MHz) TYPICAL PERFORMANCE CHARACTERISTICS

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LT1497
W U U SMALL-SIGNAL BANDWIDTH V V S =
±
15V, Peaking

1dB S =
±
5V, Peaking

1dB AV RL RF RG – 3dB BW (MHz) AV RL RF RG – 3dB BW (MHz)
– 1 150 560 560 59.2 – 1 150 510 510 45.0 50 560 560 43.1 50 560 560 32.0 20 620 620 30.0 20 560 560 23.2 1 150 560 – 57.0 1 150 510 – 44.3 50 560 – 42.7 50 560 – 31.7 20 560 – 30.3 20 560 – 22.9 2 150 510 510 59.1 2 150 510 510 41.7 50 560 560 41.7 50 560 560 30.4 20 620 620 20.7 20 560 560 21.9 10 150 270 30 43.4 10 150 270 30 28.1 50 270 30 30.9 50 270 30 21.9 20 270 30 19.0 20 270 30 14.6
W U TYPICAL PERFORMANCE CHARACTERISTICS Voltage Gain and Phase – 3dB Bandwidth – 3dB Bandwidth vs Frequency, Gain = 6dB vs Supply Voltage vs Supply Voltage
9 0 90 90 PEAKING ≤ 1dB GAIN = 2 PEAKING ≤ 1dB GAIN = 2 8 PHASE 45 80 PEAKING 80 ≤ 5dB R PEAKING L = 1k ≤ 5dB RL = 100Ω ±5V ±15V 7 90 70 70 GAIN PHASE SHIFT (DEG) 6 135 RF = 470Ω RF = 470Ω 60 60 5 180 RF = 560Ω 50 50 4 225 RF = 560Ω ±5V 40 40 3 270 RF = 750Ω R ±15V 30 30 F = 750Ω VOLTAGE GAIN (dB) 2 3dB BANDWIDTH (MHz) 3dB BANDWIDTH (MHz) – R – R 20 F = 1k 20 F = 1k 1 0 RL = 100Ω 10 10 RF = RG = 560Ω –1 0 0 0.1 1 10 100 0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18 FREQUENCY (MHz) SUPPLY VOLTAGE (± V) SUPPLY VOLTAGE (± V) 1497 G01 1497 G02 1497 G03
Voltage Gain and Phase – 3dB Bandwidth – 3dB Bandwidth vs Frequency, Gain = 20dB vs Supply Voltage vs Supply Voltage
28 0 90 90 PEAKING ≤ 1dB GAIN = 10 PEAKING ≤ 1dB GAIN = 10 26 PHASE 45 ± 80 80 5V ±15V PEAKING ≤ 5dB RL = 1k PEAKING ≤ 5dB RL = 100Ω 24 90 70 70 PHASE SHIFT (DEG) 22 135 GAIN 60 RF = 270Ω 60 20 180 50 RF = 560Ω 50 18 225 RF = 430Ω R R F = 270Ω F = 430Ω 40 40 16 270 ± R 5V F = 560Ω VOLTAGE GAIN (dB) 30 30 14 RF = 750Ω ±15V 3dB BANDWIDTH (MHz) 3dB BANDWIDTH (MHz) – – 12 20 20 RL = 100Ω R 10 RF = 270Ω 10 F = 1k 10 RF = 1k R RF = 750Ω G = 30Ω 8 0 0 0.1 1 10 100 0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 10 12 14 16 18 FREQUENCY (MHz) SUPPLY VOLTAGE (± V) SUPPLY VOLTAGE (± V) 1497 G04 1497 G05 1497 G06 5