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AD8324:  3.3 V Upstream Cable Line Driver

The AD83241 is a low cost amplifier designed for coaxial line driving. The features and specifications make the AD8324 ideally suited for DOCSIS 2.0 and EuroDOCSIS applications. The gain of the AD8324 is digitally controlled. An 8-bit serial word determines the desired output gain over a 59 dB range, resulting in gain changes of 1 dB/LSB.

The AD8324 accepts a differential or ...More

AD8324:  3.3 V Upstream Cable Line Driver

Product Description

The AD83241 is a low cost amplifier designed for coaxial line driving. The features and specifications make the AD8324 ideally suited for DOCSIS 2.0 and EuroDOCSIS applications. The gain of the AD8324 is digitally controlled. An 8-bit serial word determines the desired output gain over a 59 dB range, resulting in gain changes of 1 dB/LSB.

The AD8324 accepts a differential or single-ended input signal. The output is specified for driving a 75 W load through a 1:1 transformer.

Distortion performance of -54 dBc is achieved with an output level up to 61 dBmV at 65 MHz bandwidth.

This device has a sleep mode function that reduces the quiescent current to 30 µA and a full power-down function that reduces power-down current to 2.5 mA.

The AD8324 is packaged in a low cost 20-lead LFCSP package and a 20-lead QSOP package. The AD8324 operates from a single 3.3 V supply.

1Patent Pending.

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EVALUATION BOARDS & DEVELOPMENT KITS

  • Supports DOCSIS 2.0 and Euro-DOCSIS standards for reverse path transmission systems
  • Gain programmable in 1 dB steps over a 59 dB range
  • Low distortion at 61 dBmV output:
    –59 dBc SFDR at 21 MHz
    –54 dBc SFDR at 65 MHz
  • Output noise level @ minimum gain 1.3 nV/√Hz
  • Maintains 75 Ω output impedance in TX-enable and Transmit-disable condition
  • Upper bandwidth: 100 MHz (full gain range)
  • 3.3 V supply operation
  • Supports SPI® interfaces
  • Application: Cable
  • Function: CATV Line Driver
  • Voltage Supply (V): 3.3
  • -3 dB BW (MHz): 100MHz
  • Distortion (dBc): -59dBc
  • Spectral Noise (nV/rtHz): 157nV/rtHz
  • Gain (dB): 59dB
  • Gain Low End (dB): -25.5dB
  • Gain High End (dB): +33.5dB
  • Package: 20-Lead LFCSP,20-Lead QSOP

Functional Block Diagram for AD8324

Similar Products

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Part# Application Function Minimum Gain (Acl) Pos Supply -3 dB BW (MHz) Slew Rate (V/us) Iout Drive (mA) Distortion (dBc) Spectral Noise (nV/rtHz) Price* (1000-4999)
AD45048 ADSL2+ Driver - - to - 65 55 230 -80 4.5 $2.32
AD8260 Cable Powerline Driver/Receiver - - to - 180 620 310 -58 2.4 $3.84
AD8320 Cable CATV Line Driver n/a +12V to +5V 150 n/a n/a -57 53 -
AD8322 Cable CATV Line Driver - - to - 180 - - -58 64 $3.19
AD8324 Cable CATV Line Driver - - to - 100 - - -59 157 $1.73
AD8325 Cable CATV Line Driver - - to - 100 - - -57 56 $3.34
AD8326 Cable CATV Line Driver - - to - 100 - - -57 100 $3.95
AD8327 Cable CATV Line Driver - - to - 160 - - -63 64 $3.80
AD8328 Cable CATV Line Driver - - to - 107 - - -57 135 $1.92
AD8390A ADSL2+ Driver - +10V to +24V 45 260 400 -70 5 $1.16
AD8392A ADSL2+ Driver - +10V to +24V 37 515 500 -70 2.5 $2.82
AD8394 ADSL2+ Driver - +12V to +24V 35 300 350 -70 3 $2.07
AD8396 ADSL2+ Driver 13 +12V to +24V - - 450 -66 - $1.97
AD8397 DSL Driver 1 - to - 69 53 310 -84 4.5 $2.32
AD8398 DSL Driver - +5V to +12V 165 820 200 -95 2.85 $1.77
AD8398A ADSL2+, VDSL2 Driver - - to +12V 85 600 450 -65 4.8 $1.40
ADA4310-1 Power Line Driver 1 +6V to +12V 190 820 - -69 2.85 $1.05
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* 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.

Pricing, Packaging & Availability

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Model
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Status
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  • Pre-Release: The model has not been released to general production, but samples may be available.
  • Production: The model is currently being produced, and generally available for purchase and sampling.
  • Last Time Buy: The model has been scheduled for obsolescence, but may still be purchased for a limited time.
  • Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).
Package Description
The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
Price
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.

Production Availability
This is the date Analog Devices, Inc. anticipates that the product will ship from the warehouse. Most orders ship within 48 hours of this date.Once an order has been placed, Analog Devices, Inc. will send an Order Acknowledgement email to confirm your delivery date. It is important to note the scheduled dock date on the order entry screen. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. Also, please note the warehouse location for the product ordered. We have warehouses in the United States, Europe and Southeast Asia. Transit times from these sites may vary.
Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

View PCN
This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

*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.