參數(shù)資料
型號(hào)： AD9958BCPZ
廠商： ANALOG DEVICES INC
元件分類： 模擬信號(hào)調(diào)理
英文描述： 2-Channel 500 MSPS DDS with 10-Bit DACs
中文描述： SPECIALTY ANALOG CIRCUIT, QCC56
封裝： 8 X 8 MM, LEAD FREE, MO-220-VLLD-2, LFCSP-56
文件頁(yè)數(shù)： 3/40頁(yè)
文件大?。?/td> 1051K
代理商： AD9958BCPZ
AD9958
GENERAL DESCRIPTION
The AD9958 consists of two DDS cores that provide indepen-
dent frequency, phase, and amplitude control on each channel.
This flexibility can be used to correct imbalances between
signals due to analog processing such as filtering, amplification,
or PCB layout related mismatches. Since both channels share a
common system clock, they are inherently synchronized.
Synchronization of multiple devices is supported.
Rev. 0 | Page 3 of 40
The AD9958 can perform up to a 16-level modulation of
frequency, phase, or amplitude (FSK, PSK, ASK). Modulation is
performed by applying data to the profile pins. In addition, the
AD9958 also supports linear sweep of frequency, phase, or
amplitude for applications such as radar and instrumentation.
The AD9958 serial I/O port offers multiple configurations to
provide significant flexibility. The serial I/O port offers an SPI-
compatible mode of operation that is virtually identical to the
SPI operation found in earlier Analog Devices DDS products.
Flexibility is provided by four data pins (SDIO_0:3) that allow
four programmable modes of serial I/O operation.
The AD9958 uses advanced DDS technology that provides low
power dissipation with high performance. The device
incorporates two integrated, high speed 10-bit DACs with
excellent wideband and narrowband SFDR. Each channel has a
dedicated 32-bit frequency tuning word, 14 bits of phase offset,
and a 10-bit output scale multiplier.
The DAC outputs are supply referenced and must be termin-
ated into AVDD by a resistor or an AVDD center-tapped
transformer. Each DAC has its own programmable reference to
enable different full-scale currents for each channel.
The DDS acts as a high resolution frequency divider with the
REF_CLK as the input and the DAC providing the output. The
REF_CLK input source is common to both channels and can be
driven directly or used in combination with an integrated
REF_CLK multiplier (PLL) up to a maximum of 500 MSPS. The
PLL multiplication factor is programmable from 4 to 20, in
integer steps. The REF_CLK input also features an oscillator
circuit to support an external crystal as the REF_CLK source.
The crystal must be between 20 MHz and 30 MHz. The crystal
can be used in combination with the REF_CLK multiplier.
The AD9958 comes in a space-saving 56-lead LFCSP package.
The DDS core (AVDD and DVDD pins) is powered by a 1.8 V
supply. The digital I/O interface (SPI) operates at 3.3 V and
requires the pin labeled DVDD_I/O (Pin 49) be connected
to 3.3 V.
The AD9958 operates over the industrial temperature range of
40°C to +85°C.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9958BCPZ-REEL7 功能描述:IC DDS DUAL 10BIT DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標(biāo)準(zhǔn)包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調(diào)節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
AD9959 制造商:AD 制造商全稱:Analog Devices 功能描述:4 Channel 500MSPS DDS with 10-bit DACs
AD9959/PCBZ 功能描述:BOARD EVALUATION FOR AD9959 RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源
AD9959/PCBZ 制造商:Analog Devices 功能描述:AD9959, DDS, DAC, GUI, USB, EVALUATION B
AD9959/PCBZ1 制造商:AD 制造商全稱:Analog Devices 功能描述:4-Channel, 500 MSPS DDS with 10-Bit DACs
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