Datasheet > 驱动程序和接口 > 线路驱动器或接收器> AD8324ACP-REEL7

AD8324ACP-REEL7

更新时间： 2024-11-20 21:55:55

品牌	Logo	应用领域
亚德诺 - ADI		线路驱动器或接收器驱动程序和接口接口集成电路
页数	文件大小	规格书
16页	639K
描述
3.3 V Upstream Cable Line Driver

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中文翻译

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数据手册

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AD8324ACP-REEL7 数据手册

3.3 V Upstream

Cable Line Driver

AD8324

FEATURES

FUNCTIONAL BLOCK DIAGRAM

BYP

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

IN+

OUT+

OUT–

DIFF

ATTENUATION

CORE

OUTPUT

STAGE

OR SINGLE

INPUT

AMP

VERNIER

IN–

–54 dBc SFDR at 65 MHz

DIFF =

OUT

75Ω

(SINGLE) = 550Ω

(DIFF) = 1100Ω

Output noise level @ minimum gain 1.3 nV/√Hz

Maintains 75 Ω output impedance in TX-enable and

Transmit-disable condition

DECODE

POWER-

DOWN LOGIC

RAMP

Upper bandwidth: 100 MHz (full gain range)

3.3 V supply operation

AD8324

DATA LATCH

Supports SPI® interfaces

SHIFT

APPLICATIONS

GND DATEN DATA

CLK

TXEN SLEEP

DOCSIS 2.0 and Euro-DOCSIS cable modems

CATV set-top boxes

Figure 1. Functional Block Diagram

CATV telephony modems

Coaxial and twisted pair line drivers

–40

GENERAL DESCRIPTION

= 61dBmV @ DEC 60

OUT

THIRD HARMONIC

–50

–60

The AD8324¹is a low cost amplifier designed for coaxial line

driving. The features and specifications make the AD8324

ideally 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,

resulting in gain changes of 1 dB/LSB.

= 61dBmV @ DEC 60

OUT

SECOND HARMONIC

–70

–80

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.

FREQUENCY (MHz)

Figure 2. Worst Harmonic Distortion vs. Frequency

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 quies-

cent 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.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

12 3 4 5 6 7...16

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与AD8324ACP-REEL7相关器件

型号	品牌	获取价格	描述	数据表
AD8324ACPZ	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324ACPZ-REEL7	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQ	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQ-EVAL	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQ-REEL	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQ-REEL7	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQZ	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQZ-REEL	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8324JRQZ-REEL7	ADI	获取价格	3.3 V Upstream Cable Line Driver
AD8325	ADI	获取价格	5 V CATV Line Driver Fine Step Output Power Control

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