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AD8324

Features: 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 ? output impedance ...

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SeekIC No. : 004272103 Detail

AD8324: Features: 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 MH...

AD8324 Data Sheet

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Part Number:
AD8324
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/24

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Product Details

Description



Features:

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 ? output impedance in TX-enable andTransmit-disable condition
Upper bandwidth: 100 MHz (full gain range) 3.3 V supply operation
Supports SPI(R) interfaces





Application

DOCSIS 2.0 and Euro-DOCSIS cable modems
CATV set-top boxes
CATV telephony modems
Coaxial and twisted pair line drivers




Pinout

AD8324 Diagram

Connection Diagram




Specifications

Gain Control Digital
-3 dB BW (MHz) 100MHz
Gain Low End (dB) -25.5dB
Gain High End (dB) +33.5dB
Number of Channels 1
Spectral Noise (nV/rtHz) 157nV/rtHz
Supply Voltage (V) +3.3V
Supply Current 207mA
Gain Accuracy (dB) ±1dB


Parameter Rating
Supply Voltage VCC
Input Voltage
VIN+, VIN
DATEN , SDATA, CLK, SLEEP, TXEN
Internal Power Dissipation
QSOP, LFCSP
Operating Temperature Range
LFCSP
QSOP
Storage Temperature Range
Lead Temperature (Soldering, 60 sec) 		3.63 V

1.5 V p-p
0.5 V to +3.63 V

776 mW

40 to +85
25 to +70
65 to +150
300





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

The AD83241 is a low cost amplifier designed for coaxial line driving. The features and specifications make the AD8324 deally suited for DOCSIS 2.0 and Euro-DOCSIS applications. The gain of the AD8324 is digitally controlled. An 8-bit serial word determines the desired output gain over a 59 dB range, esulting 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 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 AD8324 has a sleep mode function that reduces the quies-cent current to 30 A 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.






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