參數(shù)資料
型號： AD9644CCPZ-80
廠商： Analog Devices Inc
文件頁數(shù)： 26/44頁
文件大小： 0K
描述： IC ADC 14BIT 80MSPS 3V 48LFCSP
標(biāo)準(zhǔn)包裝： 1
位數(shù)： 14
采樣率（每秒）： 80M
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 460mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 48-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 48-LFCSP-VQ（7x7）
包裝： 托盤
輸入數(shù)目和類型： 2 個差分，雙極
AD9644
Data Sheet
Rev. C | Page 32 of 44
HARDWARE INTERFACE
The pins described in Table 15 comprise the physical interface
between the user programming device and the serial port of the
AD9644. The SCLK pin and the CSB pin function as inputs
when using the SPI interface. The SDIO pin is bidirectional,
functioning as an input during write phases and as an output
during readback.
The SPI interface is flexible enough to be controlled by either
FPGAs or microcontrollers. One method for SPI configuration
is described in detail in the AN-812 Application Note, Micro-
controller-Based Serial Port Interface (SPI) Boot Circuit.
The SPI port should not be active during periods when the full
dynamic performance of the converter is required. Because the
SCLK signal, the CSB signal, and the SDIO signal are typically
asynchronous to the ADC clock, noise from these signals can
degrade converter performance. If the on-board SPI bus is used for
other devices, it may be necessary to provide buffers between
this bus and the AD9644 to prevent these signals from transi-
tioning at the converter inputs during critical sampling periods.
SPI ACCESSIBLE FEATURES
Table 16 provides a brief description of the general features that
are accessible via the SPI. These features are described in detail
in the AN-877 Application Note, Interfacing to High Speed ADCs
via SPI. The AD9644 part-specific features are described in detail in
Table 16. Features Accessible Using the SPI
Feature Name
Description
Mode
Allows the user to set either power-down mode
or standby mode
Clock
Allows the user to access the DCS, set the
clock divider, set the clock divider phase, and
enable the sync
Offset
Allows the user to digitally adjust the
converter offset
Test I/O
Allows the user to set test modes to have
known data on output bits
Full Scale
Allows the user to set the input full scale
voltage
JESD204A
Allows user to configure the JESD204A output
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9644CCPZRL7-80 功能描述:IC ADC 14BIT 80MSPS 3V 48LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):14 采樣率（每秒）:83k 數(shù)據(jù)接口:串行，并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應(yīng)商設(shè)備封裝:28-PDIP 包裝:管件 輸入數(shù)目和類型:1 個單端，雙極
AD9645 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual, 14-Bit, 80 MSPS/125 MSPS, Serial LVDS
AD9645-125EBZ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 14Bit 125Msps Dual ADC w/serial LVDS RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
AD9645BCPZ-125 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 14-Bit 125 MSPS Serial LVDS 1.8V RoHS:否 制造商:Analog Devices 通道數(shù)量: 結(jié)構(gòu): 轉(zhuǎn)換速率: 分辨率: 輸入類型: 信噪比: 接口類型: 工作電源電壓: 最大工作溫度: 安裝風(fēng)格: 封裝 / 箱體:
AD9645BCPZ-80 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 14-Bit 80 MSPS Serial LVDS 1.8V RoHS:否 制造商:Analog Devices 通道數(shù)量: 結(jié)構(gòu): 轉(zhuǎn)換速率: 分辨率: 輸入類型: 信噪比: 接口類型: 工作電源電壓: 最大工作溫度: 安裝風(fēng)格: 封裝 / 箱體:
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