參數(shù)資料
型號(hào)： AD9877
廠商： Analog Devices, Inc.
英文描述： Mixed-Signal Front End Set-Top Box, Cable Modem
中文描述： 混合信號(hào)前端機(jī)頂盒，電纜調(diào)制解調(diào)器
文件頁數(shù)： 2/36頁
文件大小： 1094K
代理商： AD9877
AD9877
TABLE OF CONTENTS
Specifications.....................................................................................4
Rev. B | Page 2 of 36
Absolute Maximum Ratings............................................................7
Explanation of Test Levels...........................................................7
Thermal Characteristics..............................................................7
ESD Caution..................................................................................7
Pin Configuration and Function Descriptions.............................8
Typical Performance Characteristics...........................................10
Terminology....................................................................................12
Theory of Operation......................................................................13
Transmit Section.........................................................................13
Clock and Oscillator Circuitry.................................................14
Programmable Clock Output REFCLK...................................15
Reset and Transmit Power-Down ............................................16
Σ-Δ Outputs................................................................................17
Register Map and Bit Definitions.................................................18
Register 0x00—Initialization ....................................................19
Register 0x01—Clock Configuration.......................................19
Register 0x02—Power-Down....................................................19
Register 0x03–0x06—Σ-Δ Control Words..............................19
Register 0x08—ADC Clock Configuration............................20
Register 0x0C—Die Revision....................................................20
Register 0x0D—Tx Frequency Tuning Words LSBs..............20
Register 0x0E—DAC Gain Control.........................................20
Register 0x0F—Tx Path Configuration...................................20
Registers 0x10–0x1F—Burst Parameter..................................20
Serial Interface for Register Control............................................22
General Operation of the Serial Interface...............................22
Instruction Byte..........................................................................22
Serial Interface Port Pin Description.......................................22
MSB/LSB Transfers.................................................................... 22
Notes on Serial Port Operation................................................ 23
Transmit Path (Tx)......................................................................... 24
Transmit Timing......................................................................... 24
Data Assembler........................................................................... 24
Half-Band Filters (HBFs).......................................................... 24
Cascaded Integrator-Comb (CIC) Filter................................. 24
Combined Filter Response........................................................ 25
Tx Signal Level Considerations................................................ 27
Tx Throughput and Latency..................................................... 27
Digital-to-Analog Converter.................................................... 27
Programming the AD8321/AD8325 or AD8322/AD8327 Cable
Driver Amplifier Gain Control..................................................... 29
Receive Path (Rx) ........................................................................... 30
ADC Theory of Operation........................................................ 30
Receive Timing........................................................................... 30
Driving the Analog Inputs........................................................ 30
Op Amp Selection Guide.......................................................... 31
ADC Differential Inputs............................................................ 31
ADC Voltage References........................................................... 32
PCB Design Considerations.......................................................... 33
Component Placement.............................................................. 33
Power Planes and Decoupling.................................................. 33
Ground Planes............................................................................ 33
Signal Routing............................................................................. 34
Outline Dimensions....................................................................... 35
Ordering Guide .......................................................................... 35
相關(guān)PDF資料
PDF描述
AD9877ABS Mixed-Signal Front End Set-Top Box, Cable Modem
AD9877-EB Mixed-Signal Front End Set-Top Box, Cable Modem
AD9882KST-100 Dual Interface for Flat Panel Displays
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9877ABS 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
AD9877ABS-1 制造商:Analog Devices 功能描述:
AD9877ABSZ 功能描述:IC PROCESSOR FRONT END 100MQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR)
AD9877BS 制造商:Analog Devices 功能描述:
AD9877-EB 制造商:Analog Devices 功能描述:
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