Attenuators, VGAs, Filters

RF VGAs, IF VGAs and variable gain control products from Analog Devices offer the high performance needed for communications, instrumentation, and military designs. The portfolio includes continuous analog linear-in-dB products based on X-Amp™ interpolation architectures and digital step controlled products providing as fine as 0.25 dB step and linear in volts digital control. Furthermore, our RF VGAs are highly integrated with digitally controlled multi-pole analog filters integrated on-chip as well as AGC circuits for automatic level control.

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    Circuits from the Lab

    CN-0140: High Performance, Dual Channel IF Sampling Receiver

    CN-0082: Creating a Constant Envelope Signal Using the ADL5331 RFVGA and AD8319 Log Detector

    CN-0072: Extending the Dynamic Range of the ADL5513 Logarithmic Detector Using the AD8368 Variable Gain Amplifier

    CN-0050: Stable, Closed-Loop Automatic Power Control for RF Applications

    CN-0002: Using the AD8376 VGA to Drive Wide Bandwidth ADCs for High IF AC-Coupled Applications

    RF VGAs Application Notes

    AN-1098: Methodology for Narrow-Band Interface Design Between High Performance Differential Driver Amplifiers and ADCs (pdf, 167 KB)

    AN-0974: Multicarrier TD-SCMA Feasibility (pdf, 634 KB)

    AN-808: Multicarrier CDMA2000 Feasibility (pdf, 1535 KB)
    The goal of this application note is to determine the feasibility of implementing a multicarrier CDMA2000 transceiver and what the major subsystem performances must be.

    AN-827: A Resonant Approach to Interfacing Amplifiers to Switched-Capacitor ADCs (pdf, 203 KB)

    AN-772: A Design and Manufacturing Guide for the Lead Frame Chip Scale Package (LFCSP) (pdf, 439 KB)

    AN-826: A 2.4 GHz WiMAX Direct Conversion Transmitter (pdf, 417 KB)

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IF VGAs

Part#FunctionGain ControlRF Frquency Range (MHz)Gain (min)Gain (max)Gain Accuracy (dB)Rx Mode IIP3 (dBm)Spectral Noise (nV/rtHz)Noise Figure (dB)Specs @ (MHz)Vsupply Pos (min)US Price 1000-4999
ADL5565Reference Circuit Available ADC Driver Analog 6000 MHz 0 15.5 1 54 1.52 8.7 100 MHz 2.8 $3.68
ADL5202Reference Circuit Available ADC Driver Digital 700 MHz -11.5 20 - 50 - 7.5 140 MHz 4.5 $6.57
ADL5201 ADC Driver Digital 700 MHz -11.5 20 - 50 - 7.5 140 MHz 4.5 $4.54
ADL5336Reference Circuit Available IF VGA Analog 1000 MHz -14.6 19.5 0.1 28 - 7.1 140 MHz 4.5 $6.57
AD8366 ADC Driver Digital 600 MHz 4.5 20.25 - 38 - 11.4 10 MHz 4.75 $6.57
ADL5562Reference Circuit Available ADC Driver Analog 3300 MHz 6 15.5 - 47 2.1 7.3 140 MHz 3 $3.68
ADL5561 ADC Driver Analog 2900 MHz 6 15.5 - 49 2.1 8 140 MHz 3 $3.68
AD8372 ADC Driver Digital 130 MHz -9 32 0.3 35 - 7.9 65 MHz 4.5 $6.58
AD8376Reference Circuit Available ADC Driver Digital 700 MHz -4 20 0.2 50 2 8.7 200 MHz 4.5 $6.57
AD8375 ADC Driver Digital 630 MHz -4 20 0.2 50 1.9 8.3 200 MHz 4.5 $4.54
AD8368Reference Circuit Available IF VGA Analog 800 MHz -12 22 0.4 33 - 9.5 - 4.5 $4.60
AD8370 ADC Driver Digital 750 MHz -11 34 - 35 2.1 7.2 70 MHz 3 $4.25
AD8369 IF VGA Digital 600 MHz -5 40 0.5 19.5 2 7 - 3 $4.25
AD8367 IF VGA Analog 500 MHz -2.5 42.5 0.2 36.5 1.84 6.2 - 2.7 $4.60
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RF VGAs

Part#Gain ControlRF Frquency Range (MHz)Gain (min)Gain (max)Noise Figure (dB)1 dB Comp Point (dBm)Specs @ (MHz)Isupply (typ)Rx Mode IIP3 (dBm)Max Pos Supply (V)Isupply (max)US Price 1000-4999
ADRF6573 Digital 4000 MHz -13 17.8 5.5 19.2 - 85 mA 40 5.25 110 mA $7.50
ADL5243 Digital 4000 MHz -1.2 31.3 3.1 25.3 2140 MHz 175 mA 40 5.25 175 mA $5.79
ADL5240 Digital 4000 MHz -13.1 18.2 3 17.9 - 93 mA 37.5 5.25 93 mA $3.50
ADL5331Reference Circuit Available Analog 1200 MHz -14 17 9 - 100 MHz 240 mA 47 5.25 240 mA $5.16
ADL5330Reference Circuit Available Analog 3000 MHz 35 23 9 1.3 900 MHz 240 mA 31.5 5.25 215 mA $5.04
ADL5390 Analog 2400 MHz -30 5 21 8.5 900 MHz - 23.3 5.25 135 mA $7.59
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VGA Filters

Part#Gain ControlRx Mode IIP3 (dBm)Number of ChannelsRF Frquency Range (MHz)Max Pos Supply (V)Isupply (typ)Supply Voltage (V)Voltage Supply (V)Gain (min)Gain (max)US Price 1000-4999
ADA4961 - - 1 2.5 GHz 5 - - - -6 15 $11.99
ADRF6573 Digital 40 2 4000 MHz 5.25 110 mA 5 - -13 17.8 $7.50
ADL5246 - 37 - - - 270 mA - - -13.5 31.5 $7.50
ADL5611 - 38.5 - - - 90 mA - - - 22.1 $1.99
ADL5610 - 38.4 - - 5.25 90 mA - - - 18.4 $1.99
ADL5545 - 36.4 - - 5.25 56 mA - - - 24.1 $1.35
ADL5544 - 34.9 - - 5.25 55 mA - - - 17.4 $1.35
AD8338 Analog - 1 - 5 3 mA 5 3 to 5 0 80 $4.81
ADL5566 - 50.9 2 - 5.2 160 mA 5.2 - - 16 $6.05
ADA4312-1 - - - - - - - - - - $1.89
ADA4432-1Reference Circuit Available - - - - - - - - - - $0.45
AD8122Reference Circuit Available - - - - 5.5 - - - - - $9.90
ADL5324 - 43.1 1 4000 MHz 5 133 mA - - - 14.6 $3.35
ADA4433-1Reference Circuit Available - - - - 3.6 13.2 mA - - - - $0.85
ADL5565Reference Circuit Available Analog 54 1 6000 MHz 5.2 80 mA 5.2 - 0 15.5 $3.68
ADL5202Reference Circuit Available Digital 50 2 700 MHz 5.5 210 mA 5 4.5 to 5.5 -11.5 20 $6.57
ADL5201 Digital 50 1 700 MHz 5.5 110 mA 5 4.5 to 5.5 -11.5 20 $4.54
ADA4940-2Reference Circuit Available - - 2 - 7 1.25 mA - - - - $2.59
ADA4940-1Reference Circuit Available - - - - 7 1.18 mA - - - - $1.59
AD8476Reference Circuit Available - - 1 - 18 300 µA - +/- 5 1 1 $1.99
ADL5606 - 45.5 - 2700 MHz 5.25 362 mA 5.25 5 - 24.3 $7.75
ADL5605 - 44.2 - 1000 MHz 5.25 307 mA 5.25 5 - 23 $7.75
ADL5243 Digital 40 1 4000 MHz 5.25 175 mA 5 5 -1.2 31.3 $5.79
ADL5240 Digital 37.5 1 4000 MHz 5.25 93 mA 5.25 3 to 5.25 -13.1 18.2 $3.50
AD8142 - - - - 5.5 - - - - - $1.65
AD8141 - - - 275 MHz 5.5 44 mA - - - - $1.65
ADL5336Reference Circuit Available Analog 28 1 1000 MHz 5.5 80 mA - - -14.6 19.5 $6.57
AD8488 - - 128 - 5 100 mA - - - - $64.00
AD8124 - - - - 5.5 132 mA - - - - $5.95
ADA4930-2Reference Circuit Available - - 2 - 5.25 34 mA - 3 to 5 - - $6.29
ADA4930-1Reference Circuit Available - - 1 1350 MHz 5.25 34 mA 3.3 3 to 5.25 - - $3.79
AD8475Reference Circuit Available - - 1 - 10 3 mA - - -8 2 $1.99
AD8366 Digital 38 2 600 MHz 5.25 180 mA 5 4.5 to 5.5 4.5 20.25 $6.57
ADLD8403 - - - - - - - - - - $1.59
ADL5604 - 42.2 - - - 318 mA 5.25 5 - 12.2 $5.74
ADL5536Reference Circuit Available - 45 - - 5.5 105 mA - - - 19.8 $1.75
ADL5535Reference Circuit Available - 45.5 - - 5.5 97 mA - 4.5 to 5.5 - 16.1 $1.75
ADA4960-1Reference Circuit Available - - - - 5.25 60 mA - 4.5 to 5.5 - - $6.95
ADL5601 - 43 - - - 83 mA - - - 15.3 $1.75
ADA4424-6 - - - - 5.25 93 mA - - - - $1.59
AD8432 - 36.2 2 - 5.5 24 mA - 4.5 to 5.5 - 24.08 $1.29
ADL5602 - 42 - - 5.5 89 mA 5 4.5 to 5.5 - 19.5 $1.75
ADL5562Reference Circuit Available - 47 - 3300 MHz 3.6 80 mA 3.6 3.3 6 15.5 $3.68
ADL5561 - 49 1 2900 MHz 3.6 40 mA 3.6 3.3 6 15.5 $3.68
ADL5331Reference Circuit Available Analog 47 1 1200 MHz 5.25 240 mA 5.25 4.5 to 5.5 -14 17 $5.16
ADA4950-2 - - 2 - 11 9.5 mA - 3 to 11 - - $5.29
ADA4950-1 - - - - 11 9.5 mA - 3 to 11 - - $2.99
AD8264 Analog 21 4 - - 99 mA 5 +/- 5 0 24 $11.95
ADL5523 - 34 - - - 60 mA - 5 - 21.5 $1.49
ADL5521 - 37 - - - 60 mA - 5 - 20.8 $1.49
ADA4932-2 - - 2 - 11 9.6 mA - 3 to 11 - - $5.29
ADA4932-1Reference Circuit Available - - 1 - 11 9.6 mA - 3 to 11 - - $2.95
ADA4927-2 - - - - 11 22.1 mA - 4.5 to 11 - - $6.29
ADA4927-1 - - - - 11 22.1 mA - 4.5 to 11 - - $3.79
AD8398A - - - - 12 - - - - - $1.45
AD8275Reference Circuit Available - - 1 - 15 1.9 mA - - 0.2 0.2 $1.60
ADL5534Reference Circuit Available - 40 - - 5.25 98 mA - - - 21 $3.00
ADL5321 - 41 - - - 90 mA 5.5 4.5 to 5.5 - 14 $2.58
ADA4420-6 - - - - 5.25 36 mA - - - - $0.69
ADA4939-2 - - - - 5.25 37.7 mA - 3 to 5 - - $5.69
ADA4939-1 - - - - 5.25 37.7 mA - 3 to 5 - - $3.79
AD8260 Digital - 1 - - 28 mA 3.3 +/- 5 -6 24 $3.84
ADL5320Reference Circuit Available - 45 - - 5 104 mA 5 5 - 16.9 $2.58
ADL5531 - 41 - - 5.25 100 mA - - - 20.9 $1.55
ADA4938-2 - - - - 11 37 mA - 4.5 to 11 - - $5.69
ADA4938-1 - - - - 11 37 mA - 4.5 to 11 - - $3.79
ADA4937-2 - - - - 5.25 39.5 mA - 3 to 5.25 - - $5.69
ADA4304-4 - - - - 5 - 5 5 - 2.9 $1.61
ADA4304-3 - - - - 5 - 5 5 - 3.3 $1.00
AD8394 - - - - 24 - - - - - -
AD8390A - - - - 24 - - - - - $1.08
AD8372 Digital 35 2 130 MHz 5.5 212 mA 5.5 4.5 to 5.5 -9 32 $6.58
ADL5570 - - - 2400 MHz 4.2 130 mA - - - 29 -
ADL5542 - 39 - - - 93 mA - 5 - 18.7 $1.55
ADL5541 - 39.2 - - - 90 mA - 5 - 14.7 $1.55
ADA4431-1 - - - - 3.6 4.7 mA - - - - $0.50
ADA4311-1 - - - - 12 11.8 mA - 12 - - $0.95
AD8398 - - - - 12 - - - - - $2.30
AD8376Reference Circuit Available Digital 50 2 700 MHz 5.5 250 mA 5.5 5 -4 20 $6.57
AD8375 Digital 50 1 630 MHz 5.5 125 mA 5.5 5 -4 20 $4.54
AD8123 - - - - 5.5 132 mA - - - 55 $7.88
ADA4937-1Reference Circuit Available - - - - 5 39.5 mA - 3 to 5.25 - - $3.79
ADA4304-2 - - - - 5 88 mA 5 5 - - $0.91
AD8148 - - - - 5.5 62.5 mA - - - - $3.13
AD8147Reference Circuit Available - - - - 5.5 61.5 mA - - - - $3.03
AD8146 - - - - 5.5 61.5 mA - - - - $2.92
ADA4310-1 - - - - 12 11.2 mA - - - - $0.90
ADA4303-2 - - - - 5 - 5 5 - 3 $0.87
AD8392A - - - - 24 - - - - - $1.83
AD8336 Analog - 1 - - 25 mA 12 - -14 46 $4.65
AD8145 - - - - 11 48.5 mA - - - - $3.03
ADL5530 - 37 - - 5.5 110 mA - - - 16.8 $1.35
ADL5391 Analog 14 1 2000 MHz 5.5 135 mA 5 - - 9.5 $4.95
ADL5323 - 43.5 - - - 320 mA 5.25 5 - 19.5 $2.85
ADL5322 - 45.3 - - - 320 mA 5.25 5 - 19.9 $2.85
ADA4417-3 - - - - 5 24 mA - - - - $0.80
ADA4941-1Reference Circuit Available - - - - 12 2.3 mA - - - - $2.42
ADA4430-1Reference Circuit Available - - - - 6 1.85 mA - - - - $0.50
AD8368Reference Circuit Available Analog 33 1 800 MHz 5.5 60 mA 5 4.5 to 5.5 -12 22 $4.60
AD8334 Analog - 4 - - 116 mA 5 3 to 5 4.5 43.5 $14.66
AD8352Reference Circuit Available Analog 41 - - 5.5 37 mA 5.5 3 to 5.5 3 25 $3.53
ADA4922-1 - - - - 26 9.4 mA 26 +/- 12 - - $3.63
AD8337 Analog - 1 - - 15 mA 5 - 0 24 $2.49
AD8143 - - - - 25.2 39 mA - - - - $2.58
AD8128 - - - - 5.5 24 mA 5.5 - - 20 $2.62
ADA4412-3 - - - - 12 56 mA - - - - $1.61
ADA4411-3 - - - - 12 60 mA - - - - $1.91
ADL5330Reference Circuit Available Analog 31.5 1 3000 MHz 5.25 215 mA 5.25 4.75 to 6 35 23 $5.04
ADA4410-6 - - - - 12 92 mA - - - - $2.52
ADL5390 Analog 23.3 1 2400 MHz 5.25 135 mA 5 - -30 5 $7.59
ADA4302-4 - - - - 5 - 5 5 - 4.6 -
AD8335 Analog - 4 - - 76 mA 5 4.5 to 5.5 -10 38 $12.14
AD8133 - - - - 11 26 mA - +/- 6 - - $2.62
AD45048 - - - - - 12 mA 6 +/- 6 - 94 -
AD8139 - - - - 11 24.5 mA - 5 to 12 - - $3.75
AD8137 - - - - 11 3.6 mA - +/- 6 - - $1.10
AD8134 - - - - 11 26.5 mA 6 - - - $2.62
AD8370 Digital 35 1 750 MHz 5.5 79 mA 5.5 3 to 5 -11 34 $4.25
AD8331Reference Circuit Available Analog 33 1 - - 25 mA 5 4.5 to 5.5 -4.5 43 $5.45
AD8324 Digital - 1 - 3.3 207 mA 3.3 3.3 -25.5 33.5 $1.35
AD8351 Analog 31 - - 5.5 28 mA 5.5 3 to 5.5 0 26 $2.68
AD8369 Digital 19.5 1 600 MHz 5.5 37 mA 5.5 3 to 5 -5 40 $4.25
AD8332 Analog 33 2 - - 58 mA 5 4.5 to 5.5 -4.5 43.5 $10.78
AD8330 Analog 27 1 - 6 20 mA 6 2.7 to 6 0 50 $4.53
AD8354 - 19 - - - 23 mA 5 - - 19.5 $0.49
AD8353 - 23.6 - - - 41 mA 5 - - 19.8 $0.49
AD8367 Analog 36.5 1 500 MHz 5.5 26 mA 5.5 3 to 5.5 -2.5 42.5 $4.60
AD8325 Digital - 1 - 5 133 mA 5 5 -29.5 30 $3.34
AD8130Reference Circuit Available - - - - 25.2 10.8 mA - +/- 12 - - $1.57
AD8129 - - - - 25.2 10.8 mA - +/- 12 10 - $1.57
AD8132 - - - - 11 10.7 mA - +/- 5 - - $1.67
AD8131 - - - - 11 10.25 mA - +/- 5 - - $1.82
AD8350 Analog 28 - - 11 28 mA 11 4 to 11 15 20 $2.52
AD8138Reference Circuit Available - - - - 11 20 mA - +/- 5 - - $3.75
AD6630 - 22 - - 10 30 mA 5 +/- 5 - 24 $4.39
AD605 Analog 33 2 - - 23 mA 5 5 -14 34 $10.11
AD604 Analog 35 2 - - 31 mA 5 +/- 4.75 to +/- 6 0 48 $16.78
AD603 Analog 15 1 - 6.3 20 mA 5 +/- 4.75 to +/- 6 -11 31 $5.45
AD602 Analog - 2 - 5.25 14 mA 5 5 -10 30 $16.94
AD600 Analog - 2 - 5.25 14 mA 5 - 0 40 $16.94
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