Datasheet > AD9782

AD9782

更新时间： 2024-09-12 22:25:35

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
52页	1615K
描述
12-Bit, 200 MSPS/500 MSPS TxDAC+ with 2 x /4 x /8 x Interpolation and Signal Processing

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AD9782 数据手册

12-Bit, 200 MSPS/500 MSPS TxDAC+^®with

2×/4×/8× Interpolation and Signal Processing

Preliminary Technical Data

AD9782

PRODUCT DESCRIPTION

FEATURES

12-bit resolution, 200 MSPS input data rate

Selectable 2×/4×/8× interpolation filters

Selectable f_DAC/2, f_DAC/4, f_DAC/8 modulation modes

Single or dual-channel signal processing

Selectable image rejection Hilbert transform

Flexible calibration engine

Direct IF transmission features

Serial control interface

Versatile clock and data interface

SFDR 90 dBc @10 MHz

The AD9782 is a 12-bit, high speed, CMOS DAC with 2×/4×/8×

interpolation and signal processing features tuned for

communications applications. It offers state of the art distortion

and noise performance. The AD9782 was developed to meet the

demanding performance requirements of multicarrier and third

generation base stations. The selectable interpolation filters

simplify interfacing to a variety of input data rates while also

taking advantage of oversampling performance gains. The

modulation modes allow convenient bandwidth placement and

selectable sideband suppression.

WCDMA ACLR = 80 dBc @ 40 MHz IF

DNL = 0.75 LSB

INL = 1.5 LSB

3.3 V compatible digital Interface

On-chip 1.2 V reference

The flexible clock interface accepts a variety of input types such

as 1 V p-p sine wave, CMOS, and LVPECL in single ended or

differential mode. Internal dividers generate the required data

rate interface clocks.

80-lead thermally enhanced TQFP package

The AD9782 provides a differential current output, supporting

single-ended or differential applications; it provides a nominal

full-scale current from 10 mA to 20 mA. The AD9782 is

manufactured on an advanced low cost 0.25 µm CMOS process.

APPLICATIONS

Digital quadrature modulation architectures

Multicarrier WCDMA, GSM, TDMA, DCS,

PCS, CDMA Systems

FUNCTIONAL BLOCK DIAGRAM

LATCH

2×

FSADJ

REFIO

∆t

P1B[15:0]

P2B[15:0]

DAC

ZERO

STUFF

OUTA

16-BIT DAC

OUTB

SDIO

SDO

HILBERT

CSB

SCLK

RESET

×1

DATACLK/

PLL_LOCK

LATCH

2×

×2

×4

×8

CLK+

CLK–

LPF

CLOCK DISTRIBUTION AND CONTROL

Figure 1.

Rev. PrC

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

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与AD9782相关器件

型号	品牌	获取价格	描述	数据表
AD9783	ADI	获取价格	Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs
AD9783_15	ADI	获取价格	Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs
AD9783BCPZ	ADI	获取价格	Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs
AD9783BCPZRL	ADI	获取价格	Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs
AD9783BCPZRL7	ADI	获取价格	IC PARALLEL, WORD INPUT LOADING, 16-BIT DAC, QCC72, 10 X 10 MM, ROHS COMPLIANT, MO-220VNND
AD9783-DPG2-EBZ	ADI	获取价格	LVDS Interface, 500 MSPS DACs
AD9783-EBZ	ADI	获取价格	Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs
AD9784	ADI	获取价格	14-Bit, 200 MSPS/500 MSPS TxDAC+ with 2×/4×/8
AD9785	ADI	获取价格	Dual 12-/14-/16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO
AD9785BSVZ	ADI	获取价格	Dual 12-/14-/16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO

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