AD8366:  DC to 500 MHz, Dual Digital Gain Trim Amplifier

The AD8366 offers excellent spurious-free dynamic range, suitable for driving 12-bit ADCs. The NF at max gain is 10.5 dB at 10 MHz and increases 2 dB for every 4 dB decrease in gain. Over the ...More

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AD8366:  DC to 500 MHz, Dual Digital Gain Trim Amplifier

Product Description

The AD8366 offers excellent spurious-free dynamic range, suitable for driving 12-bit ADCs. The NF at max gain is 10.5 dB at 10 MHz and increases 2 dB for every 4 dB decrease in gain. Over the entire gain range, the HD3 and HD2 are > 88 dBc for 2V p-p at the output at 10 MHz into 500 Ω. The 2-tone intermodulation distortion of -90 dBc into 200 Ω translates to an OIP3 of 43 dBm. The differential input impedance is 200 Ω to provide a well-defined termination. The differential output is voltage-mode with a low impedance of 30 Ω.

The output common-mode defaults to Vps/2 but can be programmed via pins VCMA and VCMB over a range of voltages. The built-in dc offset compensation loop can be disabled if dc coupled operation is desired. The high pass corner is defined by external capacitors on pins OFSA and OFSB. The input common mode also defaults to Vps/2 but can be driven from 1.2V to 3.4V.

The digital interface allows for parallel or serial gain programming. The AD8366 operates off a 4.5V to 5.5V supply and consumes a supply current of 175 mA. When disabled, it consumes ~ 4 mA. The AD8366 is fabricated using Analog Devices’ advanced Silicon-Germanium bipolar process and is available in a 32-lead exposed paddle LFCSP package. Performance is specified over a -40°C to +85°C temperature range.

Applications

  • Baseband I/Q receivers
  • Diversity receivers
  • ADC drivers
  • W-CDMA/CDMA/CDMA2000/GSM
  • Point-to-(multi-)point radio
  • CATV
  • Wireless local loop
  • WiMAX

    • Features

    • Matched pair of differential digitally controlled VGAs
    • Gain range: 4.5 dB to 20.5 dB
    • Step 0.25 dB
    • Operating frequency
      DC to 500 MHz
      800 MHz -3 dB bandwidth
    • NF 10.5 dB at max gain, 18 dB at min gain at 10 MHz
    • OIP3 36 dBV rms at 10 MHz
    • HD2, HD3 > 88 dBc for 2V pp output at 10 MHz at max gain
    • See Data Sheet for Additional Information

    Specifications

    Gain Low End (dB) +4.5dB
    Gain High End (dB) +20.5dB
    -3 dB BW (MHz) 1000MHz
    Supply Current 180mA
    Package 32-Lead CSP

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    Part# Gain Control -3 dB BW (MHz) Gain Low End (dB) Gain High End (dB) Number of Channels Spectral Noise (nV/rtHz) Supply Voltage (V) Supply Current Gain Accuracy (dB) 1 dB Comp Point (dBm) Package Price* (1000-4999)
    AD600 Analog 35 0 +40 2 1.4 ±5 14mA - - - $16.61
    AD602 Analog 35 -10 +30 2 1.4 ±5 14mA - - - $13.36
    AD603 Analog 90 -11 +31 1 1.4 ±5 20mA ±0.5 - 8-Lead DIP, 8-Lead SOIC $4.40
    AD604 Analog 40 0 +48 2 0.8 ±5 31mA ±0.3 15 24-Lead SOIC, 24-Lead SSOP $16.45
    AD605 Analog 40 -14 +34 2 1.8 +5 23mA ±0.2 15 16-Lead SOIC $9.91
    AD8260 Digital 180 -6 +24 1 2.4 +3.3 28mA +0.25 - - $3.84
    AD8264 Analog 235 0 +24 4 2.3 ±5 99mA +2 - 40-Lead LFCSP $11.95
    AD8320 Digital 150 -10 +26 1 53 +12 105mA ±0.2 22.5 20-Lead SOIC -
    AD8321 Digital 120 -27.4 +26 1 20 +9 90mA ±1 19.5 20-Lead SOIC $4.40
    AD8322 Digital 180 -12.6 +29.5 1 64 +5 113mA ±2 19 28-Lead TSSOP $3.19
    AD8323 Digital 100 -26 +27.5 1 - +5 - - - 28-Lead TSSOP $3.34
    AD8324 Digital 100 -25.5 +33.5 1 157 +3.3 207mA ±1 21 20-Lead LFCSP, 20-Lead QSOP $1.73
    AD8325 Digital 100 -29.5 +30 1 56 +5 133mA ±1 18.5 28-Lead TSSOP $3.34
    AD8326 Digital 100 -26 +27.5 1 100 ±5 157mA ±1 26.5 28-Lead PSOP, 28-Lead TSSOP $3.95
    AD8327 Digital 160 -18 +30 1 64 +5 105mA ±1 18 20-Lead TSSOP $3.80
    AD8328 Digital 107 -27.5 +31.5 1 135 - 120mA ±1 18.4 20-Lead LFCSP, 20-Lead QSOP $1.92
    AD8330 Analog 150 0 +50 1 5 +6 20mA ±0.5 - 16-Lead LFCSP, 16-Lead QSOP $4.44
    AD8331 Analog 120 -4.5 +43 1 0.74 +5 25mA +0.5 7 - $5.45
    AD8332 Analog 120 -4.5 +43.5 2 0.74 +5 58mA +0.5 7 28-Lead TSSOP, 32-Lead CSP $10.57
    AD8334 Analog 100 +4.5 +43.5 4 0.74 +5 116mA +0.5 7 64-Lead LFCSP $14.66
    AD8335 Analog 70 -10 +38 4 1.3 +5 76mA ±0.2 18 64-Lead LFCSP $12.14
    AD8336 Analog 115 -14 +46 1 3 ±12 25mA ±0.5 11 16-Lead LFCSP $4.59
    AD8337 Analog 280 0 +24 1 2.2 ±5 15mA ±0.25 - 8-Lead LFCSP $2.49
    AD8350 Analog 900 +15 +20 - 1.7 +11 32mA - 2 8-Lead SOIC/8-Lead uSOIC $2.52
    AD8351 Analog 2200 0 +26 - 2.7 +5 32mA - 13 10-Lead uSOIC $2.68
    AD8352 Analog 2200 +3 +25 - 2.6 +5.5 37mA - 13 16-Lead LFCSP $3.53
    AD8366 Digital 1000 +4.5 +20.5 - - - 180mA - - 32-Lead CSP -
    AD8367 Analog 500 -2.5 +42.5 1 1.84 +5.5 26mA ±0.2 8.1 14-Lead TSSOP $4.60
    AD8368 Analog 800 -12 +22 1 - +5 - ±0.4 13 24-Lead LFCSP $4.60
    AD8369 Digital 600 -5 +40 1 2 +5.5 37mA ±0.5 0.5 16-Lead TSSOP $4.25
    AD8370 Digital 700 +25 +34 1 2.1 +5.5 78mA - 14 16-Lead TSSOP $4.25
    AD8372 Digital 130 -9 +32 2 - +5 116mA ±0.3 - 32-Lead CSP $6.58
    AD8375 Digital 690 -4 +20 1 - +5 130mA ±0.2 19 24-Lead LFCSP $4.54
    AD8376 Digital 690 -4 +20 2 - +5 260mA ±0.2 19 32-Lead CSP $6.57
    ADL5330 Analog 3000 -34 +22 1 - +5 240mA - 1.2 24-Lead LFCSP $5.04
    ADL5331 Analog 1500 -14 +17 1 - - 240mA - - - -
    ADL5390 Analog 2400 - +7 1 - +5 130mA - 9.6 24-Lead LFCSP $7.59
    ADL5391 Analog 2000 - +9.5 1 26.7 +5 135mA - 15.1 16-Lead LFCSP $4.95
    ADL5561 - 2900 +6 +15.5 - 2.1 - 40mA - - 16-Lead LFCSP $3.68
    ADL5592 Digital 2400 - +30.5 1 - - - -0.02 - 40-Lead LFCSP -

    * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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    *The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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