AD9772

更新时间： 2024-01-22 18:13:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
30页	343K
描述
14-Bit, 150 MSPS TxDAC⑩ with 2x Interpolation Filter

阅读下载

中文翻译

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

AD9772 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	PLASTIC, LQFP-48
针数：	48	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.81	最大模拟输出电压：	1.25 V
最小模拟输出电压：	-1 V	转换器类型：	D/A CONVERTER
输入位码：	BINARY	输入格式：	PARALLEL, WORD
JESD-30 代码：	S-PQFP-G48	JESD-609代码：	e0
长度：	7 mm	位数：	14
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
封装等效代码：	QFP48,.35SQ,20	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	3 V	认证状态：	Not Qualified
座面最大高度：	1.6 mm	标称安定时间 (tstl)：	0.011 µs
子类别：	Other Converters	标称供电电压：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
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：	NOT SPECIFIED
宽度：	7 mm	Base Number Matches：	1

AD9772 数据手册

™

14-Bit, 150 MSPS TxDAC+

with 2

Interpolation Filter

AD9772

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Single 2.7 V to 3.6 V Supply

CLKCOM CLKVDD

MOD0 MOD1

RESET

PLLLOCK

DIV0 DIV1

14-Bit DAC Resolution and Input Data Width

150 MSPS Input Data Rate

63.3 MHz Reconstruction Passband @ 150 MSPS

75 dBc SFDR @ 25 MHz

Interpolation Filter with High or Low Pass Response

73 dB Image Rejection with 0.005 dB Passband Ripple

“Zero-Stuffing” Option for Enhanced Direct IF

Performance

AD9772

PLLCOM

LPF

CLK+

CLK–

CLOCK DISTRIBUTION

AND MODE SELECT

PLL CLOCK

MULTIPLIER

FILTER

MUX

PLLVDD

CONTROL

IOUTA

IOUTB

DATA

INPUTS

(DB13...DB0)

ZERO

EDGE-

TRIGGERED

LATCHES

FIR

14-BIT DAC

STUFF

MUX

INTERPOLATION

FILTER

Internal 2

Clock Multiplier

205 mW Power Dissipation; 13 mW with Power-Down

Mode

REFIO

FSADJ

+1.2V REFERENCE

AND CONTROL AMP

SLEEP

48-Lead LQFP Package

DCOM DVDD

ACOM AVDD

REFLO

APPLICATIONS

segmented current source architecture is combined with a propri-

etary switching technique to reduce spurious components and

enhance dynamic performance. Matching between the two

current outputs ensures enhanced dynamic performance in a

differential output configuration. The differential current out-

puts may be fed into a transformer or a differential op amp

topology to obtain a single-ended output voltage using an ap-

propriate resistive load.

Communication Transmit Channel

WCDMA Base Stations, Multicarrier Base Stations,

Direct IF Synthesis

Instrumentation

PRODUCT DESCRIPTION

The AD9772 is a single supply, oversampling, 14-bit digital-to-

analog converter (DAC) optimized for baseband or IF waveform

reconstruction applications requiring exceptional dynamic range.

Manufactured on an advanced CMOS process, it integrates a

complete, low distortion 14-bit DAC with a 2× digital interpola-

tion filter and clock multiplier. The on-chip PLL clock multi-

plier provides all the necessary clocks for the digital filter and the

14-bit DAC. A flexible differential clock input allows for a single-

ended or differential clock driver for optimum jitter performance.

The on-chip bandgap reference and control amplifier are config-

ured for maximum accuracy and flexibility. The AD9772 can be

driven by the on-chip reference or by a variety of external refer-

ence voltages. The full-scale current of the AD9772 can be

adjusted over a 2 mA to 20 mA range, thus providing additional

gain ranging capabilities.

The AD9772 is available in a 48-lead LQFP package and speci-

fied for operation over the industrial temperature range of –40°C

to +85°C.

For baseband applications, the 2× digital interpolation filter

provides a low pass response, hence providing up to a three-fold

reduction in the complexity of the analog reconstruction filter. It

does so by multiplying the input data rate by a factor of two

while simultaneously suppressing the original upper inband

image by more than 73 dB. For direct IF applications, the 2×

digital interpolation filter response can be reconfigured to select

the upper inband image (i.e., high pass response) while sup-

pressing the original baseband image. To increase the signal

level of the higher IF images and their passband flatness in di-

rect IF applications, the AD9772 also features a “zero stuffing”

option in which the data following the 2× interpolation filter is

upsampled by a factor of two by inserting midscale data samples.

PRODUCT HIGHLIGHTS

1. A flexible, low power 2× interpolation filter supporting re-

construction bandwidths of up to 63.3 MHz can be config-

ured for a low or high pass response with 73 dB of image

rejection for traditional baseband or direct IF applications.

2. A “zero-stuffing” option enhances direct IF applications.

3. A low glitch, fast settling 14-bit DAC provides exceptional

dynamic range for both baseband and direct IF waveform

reconstruction applications.

4. The AD9772 digital interface, consisting of edge-triggered

latches and a flexible differential or single-ended clock input,

can support input data rates up to 150 MSPS.

The AD9772 can reconstruct full-scale waveforms with band-

widths as high as 63.3 MHz while operating at an input data rate of

150 MSPS. The 14-bit DAC provides differential current out-

puts to support differential or single-ended applications. A

5. On-chip PLL clock multiplier generates all of the internal high

speed clocks required by the interpolation filter and DAC.

TxDAC+ is a trademark of Analog Devices, Inc.

6. The current output(s) of the AD9772 can easily be configured

for various single-ended or differential circuit topologies.

REV. 0

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...30

中文翻译

下载PDF

与AD9772相关器件

型号	品牌	获取价格	描述	数据表
AD9772A	ADI	获取价格	14-Bit, 160 MSPS TxDAC+ with 2x Interpolation Filter
AD9772AAST	ADI	获取价格	14-Bit, 160 MSPS TxDAC+ with 2x Interpolation Filter
AD9772AAST	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 14-BIT DAC, PQFP48, MS-026BBC, LQFP-
AD9772AASTRL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 14-BIT DAC, PQFP48, MS-026BBC, LQFP-
AD9772AASTRL	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 14-BIT DAC, PQFP48, MS-026BBC, LQ
AD9772AASTZ	ROCHESTER	获取价格	暂无描述
AD9772AASTZ	ADI	获取价格	14-Bit, 160 MSPS TxDAC+® with 2x Interpolation Filter
AD9772AASTZRL	ADI	获取价格	暂无描述
AD9772AASTZRL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 14-BIT DAC, PQFP48, ROHS COMPLIANT,
AD9772AST	ADI	获取价格	14-Bit, 150 MSPS TxDAC⑩ with 2x Interpolation

与AD9772相关文章

MAX232IDR数据手册：产品特性、电气参数、替代型号推荐
2024-07-02

1
2N7002DW数据手册：参数解读、引脚信息、替代型号推荐
2024-07-02

1
网络滤波器、EMI滤波器与EMC滤波器在电子元器件中的分类关系
2024-07-02

1
NTC热敏电阻与PTC热敏电阻的应用原理及选型原则
2024-07-02

2

产品中心

服务支持

精选活动

关于我们

帮助中心

AD9772

AD9772 技术参数

AD9772 数据手册

与AD9772相关器件

与AD9772相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

AD9772

AD9772 技术参数

AD9772 数据手册

与AD9772相关器件

与AD9772相关文章

您还可以找

您在本页遇到什么问题？