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AD9856ASTZ

更新时间： 2024-02-15 16:22:15
品牌 Logo 应用领域
亚德诺 - ADI 电信电信集成电路
页数 文件大小 规格书
37页 792K
描述
CMOS 200 MHz Quadrature Digital Upconverter

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AD9856ASTZ 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFP
包装说明：LFQFP,针数：48
Reach Compliance Code：compliantECCN代码：5A991.B
HTS代码：8542.39.00.01风险等级：1.47
JESD-30 代码：S-PQFP-G48JESD-609代码：e3
长度：7 mm湿度敏感等级：3
功能数量：1端子数量：48
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：LFQFP
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.6 mm标称供电电压：3 V
表面贴装：YES技术：CMOS
电信集成电路类型：TELECOM CIRCUIT温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：7 mm
Base Number Matches：1

AD9856ASTZ 数据手册

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CMOS 200 MHz  
Quadrature Digital Upconverter  
AD9856  
APPLICATIONS  
FEATURES  
HFC data, telephony, and video modems  
Wireless and satellite communications  
Cellular base stations  
Universal low cost modulator solution for communications  
applications  
DC to 80 MHz output bandwidth  
Integrated 12-bit D/A converter  
Programmable sample rate interpolation filter  
Programmable reference clock multiplier  
Internal SIN(x)/x compensation filter  
>52 dB SFDR @ 40 MHz AOUT  
>48 dB SFDR @ 70 MHz AOUT  
>80 dB narrow-band SFDR @ 70 MHz AOUT  
+3 V single-supply operation  
Space-saving surface-mount packaging  
Bidirectional control bus interface  
Supports burst and continuous Tx modes  
Single-tone mode for frequency synthesis applications  
Four programmable, pin-selectable, modulator profiles  
Direct interface to AD8320/AD8321 PGA cable driver  
GENERAL DESCRIPTION  
The AD9856 integrates a high speed, direct digital synthesizer  
(DDS), a high performance, high speed, 12-bit digital-to-analog  
converter (DAC), clock multiplier circuitry, digital filters, and  
other DSP functions on a single chip to form a complete  
quadrature digital upconverter device. The AD9856 is intended  
to function as a universal I/Q modulator and agile upconverter  
for communications applications where cost, size, power  
dissipation, and dynamic performance are critical attributes.  
The AD9856 is available in a space-saving surface-mount  
package, and is specified to operate over the extended industrial  
temperature range of −40°C to +85°C.  
FUNCTIONAL BLOCK DIAGRAM  
AD9856  
4 × TO 8 ×  
SELECTABLE  
INTERPOLATING  
HALFBANDS  
12  
12  
12  
12  
12  
2 × TO 63 ×  
SELECTABLE  
INTERPOLATOR  
12  
12  
DC-80 MHz  
OUTPUT  
INV  
SINC  
12-BIT  
DAC  
COMPLEX  
DATA IN  
4 × TO 8 ×  
SELECTABLE  
INTERPOLATING  
HALFBANDS  
2 × TO 63 ×  
SELECTABLE  
INTERPOLATOR  
12  
12  
12  
12  
DAC  
R
SET  
12  
SINE  
DDS AND CONTROL FUNCTIONS  
COSINE  
SPI INTERFACE  
TO AD8320/AD8321  
PROGRAMMABLE  
CABLE DRIVER  
AMPLIFIER  
4 × TO 20 × PROG.  
CLOCK  
MULTIPLIER  
TxENABLE  
(I/Q SYNC)  
MASTER  
RESET  
BIDIRECTIONAL SPI CONTROL INTERFACE:  
32-BIT FREQUENCY TUNING WORD  
FREQUENCY UPDATE  
PROFILE  
SELECT  
3–4  
PROFILE  
SELECT  
1–2  
REFERENCE  
CLOCK IN  
INTERPOLATION FILTER RATE  
REFERENCE CLOCK MULTIPLIER RATE  
SPECTRAL PHASE INVERSION ENABLE  
CABLE DRIVER AMPLIFIER CONTROL  
Figure 1.  
Rev. C  
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  
© 2005 Analog Devices, Inc. All rights reserved.  
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