AD8324 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD8324
Manufacturer

ADI
ChipWorker Part#

CW353112626
Description

3.3V Upstream Cable Line Driver
Documentation

Datasheet

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AD8324 Specifications

Attribute	Attribute Value

Part Number	AD8324
Manufacturer	ADI
ChipWorker Part#	CW353112626
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD8324 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 Ω 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 and a 20-lead QSOP. The AD8324 operates from a single 3.3 V supply.
Applications
DOCSIS 2.0 and EuroDOCSIS cable modems
CATV set-top boxes
CATV telephony modems
Coaxial and twisted pair line drivers
### Features and Benefits
Supports DOCSIS 2.0 and EuroDOCSIS specifications 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 at minimum gain 1.3 nV/√Hz
Maintains 75 Ω output impedance in transmit-enable and transmit-disable condition
Upper bandwidth of 100 MHz (full gain range)
3.3 V supply operation
Supports SPI® interfaces

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- Surface testing

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