Variable Gain Amplifiers (VGA)

Variable gain amplifiers (VGAs) have been used in a variety of remote sensing and communications equipment for more than a half-century. Applications ranging from ultrasound, radar, lidar to wireless communications—and even speech analysis—have utilized variable gain in an attempt to enhance dynamic performance.

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Analog Variable Gain Amplifiers

Part#Number of Channels-3dB Bandwidth (typ)Slew Rate (typ)Gain (min)Gain (max)Gain ControlGain Accuracy (typ)Vsupply Pos (min)Vsupply Neg (min)Vsupply Pos (max)Vsupply Neg (max)Iq (typ)Specs @ (MHz)2nd Distortion (typ)3rd Distortion (typ)
ADL5246 - - - -13.5 31.5 Analog - - - - - 270 mA - - -
ADRF6518 2 350 MHz - -36 66 Analog - - - - - 400 mA - -56 -66
AD8338 1 18 MHz - 0 80 Analog 0.5 dB 3 0 5 0 3 mA - - -
AD8122Reference Circuit Available - 270 MHz - - - Analog - 4.5 5.5 5.5 4.5 - - - -
ADL5565Reference Circuit Available 1 6750 MHz 11 kV/µs 0 15.5 Analog 1 2.8 - 5.2 - 80 mA 100 MHz -108 -103
ADL5336Reference Circuit Available 1 - - -14.6 19.5 Analog 0.1 4.5 - 5.5 - 80 mA 140 MHz - -
ADRF6516 2 31 MHz - -5 45 Analog 0.2 3.15 - 3.45 - 360 mA 1 MHz -82 -71
ADRF6510Reference Circuit Available 2 30 MHz - -5 45 Analog 100 mdB 4.75 - 5.25 - - 1 MHz -43.2 -51.2
ADL5562Reference Circuit Available - 3300 MHz 9.8 kV/µs 6 15.5 Analog - 3 - 3.6 - 80 mA 140 MHz -104 -87
ADL5561 1 2900 MHz 9.8 kV/µs 6 15.5 Analog - 3 - 3.6 - 40 mA 140 MHz -95 -87
ADL5331Reference Circuit Available 1 1500 MHz - -14 17 Analog - 4.75 0 5.25 0 240 mA 100 MHz - -
AD8264 4 235 MHz - 0 24 Analog 2 - - - - 99 mA - 60 53
AD8336 1 115 MHz - -14 46 Analog 0.5 - - - - 25 mA - - -
ADL5391 1 2000 MHz - - 9.5 Analog - 4.5 - 5.5 - 135 mA - - -
AD8368Reference Circuit Available 1 800 MHz - -12 22 Analog 0.4 4.5 - 5.5 - 60 mA - - -
AD8334 4 100 MHz - 4.5 43.5 Analog 0.5 - - - - 116 mA - - -
AD8352Reference Circuit Available - 2200 MHz 9 kV/µs 3 25 Analog - 3 - 5.5 - 37 mA 140 MHz -83 -82
AD8337 1 280 MHz - 0 24 Analog 0.25 - - - - 15 mA - - -
ADL5330Reference Circuit Available 1 3000 MHz - 35 23 Analog - 4.75 0 5.25 0 215 mA 900 MHz - -
ADL5390 1 2400 MHz - -30 5 Analog - 4.75 - 5.25 - 135 mA 900 MHz - -
AD8335 4 70 MHz - -10 38 Analog 0.2 - - - - 76 mA - - -
AD8331Reference Circuit Available 1 120 MHz - -4.5 43 Analog 0.5 - - - - 25 mA - - -
AD8351 - 2200 MHz 13000 V/µs 0 26 Analog - 3 - 5.5 - 28 mA 70 MHz -79 -81
AD8332 2 120 MHz 650 V/µs -4.5 43.5 Analog 0.5 - - - - 58 mA - 88 85
AD8330 1 150 MHz 1500 V/µs 0 50 Analog 0.5 2.7 0 6 0 20 mA - 62 53
AD8367 1 500 MHz - -2.5 42.5 Analog 0.2 2.7 - 5.5 - 26 mA - - -
AD8350 - 900 MHz 2000 V/µs 15 20 Analog - 4 - 11 - 28 mA 50 MHz -66 -65
AD605 2 40 MHz - -14 34 Analog 0.2 - - - - 23 mA - - -
AD604 2 40 MHz - 0 48 Analog 0.3 - - - - 31 mA - - -
AD603 1 90 MHz - -11 31 Analog 0.5 - 4.75 6.3 - 20 mA - - -
AD602 2 35 MHz - -10 30 Analog - - 4.75 5.25 5.25 14 mA - - -
AD600 2 35 MHz - 0 40 Analog - 4.75 4.75 5.25 5.25 14 mA - - -
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Digital Variable Gain Amplifiers

Part#Number of Channels-3dB BandwidthSpectral NoiseGain AccuracyGain (min)Gain (max)Vsupply Positive (min)Vsupply Positive (max)Isupply (typ)US Price 1000-4999
ADA4961 1 - - - -6 15 3.3 5 155 mA $11.99
ADRF6573 2 4 GHz - 0.25 -13 17.8 4.75 5.25 85 mA $7.50
ADRF6518 2 350 MHz - - -36 66 - - - $11.95
ADL5202Reference Circuit Available 2 700 MHz - - -11.5 20 4.5 5.5 210 mA $6.57
ADL5201 1 700 MHz - - -11.5 20 4.5 5.5 110 mA $4.54
ADL5243 1 - - - -1.2 31.3 - 5.25 175 mA $5.79
ADL5240 1 - - - -13.1 18.2 - 5.25 93 mA $3.50
AD8366 2 600 MHz - - 4.5 20.25 4.75 5.25 180 mA $6.57
AD8260 1 180 MHz 2.4 0.25 -6 24 - - 28 mA $3.84
AD8372 2 130 MHz - 0.3 -9 32 4.5 5.5 212 mA $6.58
AD8376Reference Circuit Available 2 700 MHz 2 0.2 -4 20 4.5 5.5 250 mA $6.57
AD8375 1 630 MHz 1.9 0.2 -4 20 4.5 5.5 125 mA $4.54
AD8370 1 750 MHz 2.1 - -11 34 3 5.5 79 mA $4.25
AD8324 1 100 MHz 157 1 -25.5 33.5 - 3.3 207 mA $1.35
AD8369 1 600 MHz 2 0.5 -5 40 3 5.5 37 mA $4.25
AD8325 1 100 MHz 56 1 -29.5 30 - 5 133 mA $3.34
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