參數(shù)資料
型號(hào)： AD8328ACPZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 0K
描述： IC LINE DRIVE CABLE 5V 20-LFCSP
產(chǎn)品變化通告： AD8328 Discontinuation 02/Mar/2012
標(biāo)準(zhǔn)包裝： 1
類型： 線路驅(qū)動(dòng)器，發(fā)射器
應(yīng)用： 調(diào)制解調(diào)器，機(jī)頂盒
安裝類型： 表面貼裝
封裝/外殼： 20-VFQFN 裸露焊盤(pán)，CSP
供應(yīng)商設(shè)備封裝： 20-LFCSP-VQ
包裝： 管件
5 V Upstream
Cable Line Driver
AD8328
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
FEATURES
Supports DOCSIS and EuroDOCSIS standards for reverse
path transmission systems
Gain programmable in 1 dB steps over a 59 dB range
Low distortion at 60 dBmV output
57.5 dBc SFDR at 21 MHz
54 dBc SFDR at 65 MHz
Output noise level @ minimum gain 1.2 nV/√Hz
Maintains 300 Ω output impedance Tx-enable and
Tx-disable condition
Upper bandwidth: 107 MHz (full gain range)
5 V supply operation
Supports SPI interfaces
APPLICATIONS
DOCSIS and EuroDOCSIS cable modems
CATV set-top boxes
CATV telephony modems
Coaxial and twisted pair line drivers
FUNCTIONAL BLOCK DIAGRAM
DIFF
OR
SINGLE
INPUT
AMP
8
AD8328
VIN+
VERNIER
BYP
GND
RAMP
POWER-DOWN
LOGIC
POWER
AMP
ATTENUATION
CORE
DECODE
DATA LATCH
SHIFT
REGISTER
VIN–
SDATA CLK
TXEN
03
158
-00
1
ZOUT DIFF =
300
VOUT–
VOUT+
ZIN (SINGLE) = 800
ZIN (DIFF) = 1.6k
DATEN
SLEEP
Figure 1.
GENERAL DESCRIPTION
The AD8328 is a low cost amplifier designed for coaxial line
driving. The features and specifications make the AD8328
ideally suited for MCNS-DOCSIS and EuroDOCSIS applications.
The gain of the AD8328 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 AD8328 accepts a differential or single-ended input signal.
The output is specified for driving a 75 Ω load through a 2:1
transformer.
Distortion performance of 53 dBc is achieved with an output
level up to 60 dBmV at 65 MHz bandwidth over a wide
temperature range.
This device has a sleep mode function that reduces the quiescent
current to 2.6 mA and a full power-down function that reduces
power-down current to 20 μA.
The AD8328 is packaged in a low cost 20-lead LFCSP and
a 20-lead QSOP. The AD8328 operates from a single 5 V supply
and has an operational temperature range of 40°C to +85°C.
D
IS
T
OR
T
ION
(
d
B
c)
FREQUENCY (MHz)
–70
–68
–66
–64
–62
–60
–58
–56
–54
–52
–50
03
15
8-
0
02
VOUT = 60dBmV
@ MAX GAIN,
THIRD HARMONIC
VOUT = 60dBmV
@ MAX GAIN,
SECOND HARMONIC
5
1525
35
4555
65
Figure 2. Worst Harmonic Distortion vs. Frequency
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AD8328ACPZ-REEL 功能描述:IC LINE DRIVE CBLE 5V 20LFCSP TR RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
AD8328ACPZ-REEL7 功能描述:IC LINE DRIVE CBLE 5V 20LFCSP TR RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
AD8328ARQ 功能描述:IC LINE DRIVE CABLE 5V 20-QSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
AD8328ARQ-EVAL 制造商:AD 制造商全稱:Analog Devices 功能描述:5 V Upstream Cable Line Driver
AD8328ARQ-REEL 制造商:Analog Devices 功能描述:SP Amp Line Driver Amp Single 5.25V 20-Pin QSOP T/R
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