AD9781-EBZ

更新时间： 2024-12-01 06:36:15

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器
页数	文件大小	规格书
36页	1275K
描述
Dual 12-/14-/16-Bit, LVDS Interface, 500 MSPS DACs

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AD9781-EBZ 数据手册

Dual 12-/14-/16-Bit,

LVDS Interface, 500 MSPS DACs

AD9780/AD9781/AD9783

GENERAL DESCRIPTION

FEATURES

High dynamic range, dual DAC parts

The AD9780/AD9781/AD9783 include pin-compatible, high

dynamic range, dual digital-to-analog converters (DACs) with

12-/14-/16-bit resolutions, and sample rates of up to 500 MSPS.

The devices include specific features for direct conversion transmit

applications, including gain and offset compensation, and they

interface seamlessly with analog quadrature modulators such as

the ADL5370.

Low noise and intermodulation distortion

Single carrier W-CDMA ACLR = 80 dBc @ 61.44 MHz IF

Innovative switching output stage permits usable outputs

beyond Nyquist frequency

LVDS inputs with dual-port or optional interleaved single-

port operation

Differential analog current outputs are programmable from

8.6 mA to 31.7 mA full scale

Auxiliary 10-bit current DACs with source/sink capability for

external offset nulling

A proprietary, dynamic output architecture permits synthesis

of analog outputs even above Nyquist by shifting energy away

from the fundamental and into the image frequency.

Full programmability is provided through a serial peripheral

interface (SPI) port. Some pin-programmable features are also

offered for those applications without a controller.

Internal 1.2 V precision reference voltage source

Operates from 1.8 V and 3.3 V supplies

315 mW power dissipation

Small footprint, RoHS compliant, 72-lead LFCSP

PRODUCT HIGHLIGHTS

APPLICATIONS

1. Low noise and intermodulation distortion (IMD) enable

high quality synthesis of wideband signals.

2. Proprietary switching output for enhanced dynamic

performance.

Wireless infrastructure

W-CDMA, CDMA2000, TD-SCDMA, WiMAX

Wideband communications

3. Programmable current outputs and dual auxiliary DACs

provide flexibility and system enhancements.

LMDS/MMDS, point-to-point

RF signal generators, arbitrary waveform generators

FUNCTIONAL BLOCK DIAGRAM

CLKP

CLKN

AD9783 DUAL LVDS DAC

IOUT1P

IOUT1N

16-BIT

I DAC

INTERFACE LOGIC

IOUT2P

IOUT2N

16-BIT

Q DAC

LVDS

INTERFACE

D[15:0]

GAIN

DAC

, V

IA IB

GAIN

DAC

AUX1P

AUX1N

OFFSET

DAC

INTERNAL

REFERENCE

AND

SERIAL

PERIPHERAL

INTERFACE

AUX2P

AUX2N

OFFSET

DAC

BIAS

Figure 1.

Rev. A

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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700 www.analog.com

12 3 4 5 6 7...36

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与AD9781-EBZ相关器件

型号	品牌	获取价格	描述	数据表
AD9782	ADI	获取价格	12-Bit, 200 MSPS/500 MSPS TxDAC+ with 2 x /4 x /8 x Interpolation and Signal Processing
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

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