AD9773

更新时间： 2024-09-27 22:50:03

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
19页	214K
描述
12-Bit, 160 MSPS 2】/4】/8】 Interpolating Dual TxDAC+ D/A Converter

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AD9773 数据手册

PRELIMINARY TECHNICAL DATA

12-Bit, 160 MSPS

2×/4×/8× Interpolating

Dual TxDAC+^®D/A Converter

Preliminary Technical Data 01-19-01

AD9773

FEATURES

APPLICATIONS

Communications:

12 bit Resolution, 160 MSPS Conversion Rate

Selectable 2×/4×/8× Interpolating Filter

Programmable Channel Gain and Offset Adjustment

Fs/2,4,8 Digital Quadrature Modulation Capability

Direct IF Transmission Mode for 70MHz+ IFs

Enables Image Rejection Architecture

Fully Compatible SPI Port

Analog Quadrature Modulation Architectures

3G, Multi-Carrier GSM,TDMA, CDMA Systems

Multi-Level QAM Modulators, Instrumentation

PRODUCT DESCRIPTION

The AD9773 is the 12 bit member of the AD977x family of

pin-compatible, high performance, programmable 2×/4×/8×

interpolating TxDAC+s. The AD977x family features a serial

port interface (SPI) providing a high level of programmabil-

ity thus allowing for enhanced system level options. These

options include: selectable 2×/4×/8× interpolation filters;

Fs/2, Fs/4 or Fs/8 digital quadrature modulation with image

rejection; a direct IF mode; programmable channel gain

and offset control; programmable internal clock divider;

straight binary or two’s complement data interface; and a

single port or dual port data interface.

Excellent AC Performance

- SFDR -69dBc @ 2-35MHz

-WCDMA ACPR -70dB @ IF=16.25 MHz

Internal PLL Clock Multiplier

Selectable Internal Clock Divider

Versatile Clock Input

-Differential/Single Ended

-Sine Wave or TTL/CMOS/LVPECL Compatible

Versatile Input Data Interface

-2’s Complement/Straight Binary Data Coding

-Dual Port or Single Port Interleaved Data

Single +3.3V Supply Operation

Power Dissipation: <700 mW @ 3.3V

On-chip 1.2 V Reference, 80-Lead LQFP

PROGRAMABLE DUAL INTERPOLATION DAC

WITH IMAGE REJECTION/DIGITAL MODULATION

I DAC

OUT

COS

HALF-BAND

FILTER #1*

HALF-BAND

FILTER #2*

HALF-BAND

FILTER#3*

FFS

-/+

SIN

DATA

ASSEMBLER

LATCH

F_DAC/2,4,8

SIN

+/-

LATCH

COS

FILTER

BYPASS MUX

OUT

Q DAC

WRITE

MUX

CONTROL

SELECT

Ϭ2

DAC

)

CLOCK OUT

Ϭ2

DIFF.

REFCLK

PRESCALER

SPI INTERFACE &

CONTROL REGISTERS

PHASE DETEC

TOR & VCO

*Half-Band Filters also can be configured for "Zero-Stuffing Only"

PLL CLOCK MULTIPLIER

AND CLOCK DIVIDER

REV. PrA

BLOCK DIAGRAM

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...19

中文翻译

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与AD9773相关器件

型号	品牌	获取价格	描述	数据表
AD9773AST	ADI	获取价格	12-Bit, 160 MSPS 2】/4】/8】 Interpolating Dual
AD9773BSV	ADI	获取价格	12-Bit, 160 MSPS, 2x/4x/8x Interpolating Dual TxDAC D/A Converter
AD9773BSVRL	ADI	获取价格	12-Bit, 160 MSPS, 2x/4x/8x Interpolating Dual TxDAC D/A Converter
AD9773BSVZ	ADI	获取价格	12-Bit, 160 MSPS, 2x/4x/8x Interpolating Dual TxDAC D/A Converter
AD9773BSVZRL	ADI	获取价格	12-Bit, 160 MSPS, 2x/4x/8x Interpolating Dual TxDAC D/A Converter
AD9773EB	ADI	获取价格	12-Bit, 160 MSPS 2】/4】/8】 Interpolating Dual
AD9773-EB	ADI	获取价格	12-Bit, 160 MSPS, 2x/4x/8x Interpolating Dual TxDAC D/A Converter
AD9774	ADI	获取价格	14-Bit, 32 MSPS TxDAC⑩ with 4x Interpolation
AD9774AS	ADI	获取价格	14-Bit, 32 MSPS TxDAC⑩ with 4x Interpolation
AD9774ASRL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 0.035 us SETTLING TIME, 14-BIT DAC, PQFP44, MQFP-44

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