Datasheet > DAC904EG4

DAC904EG4

更新时间： 2024-11-04 12:21:27

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
23页	789K
描述
14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER

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DAC904EG4 数据手册

DAC904

SBAS095C – MAY 2002

14-Bit, 165MSPS

DIGITAL-TO-ANALOG CONVERTER

FEATURES

APPLICATIONS

● COMMUNICATION TRANSMIT CHANNELS

WLL, Cellular Base Station

Digital Microwave Links

● SINGLE +5V OR +3V OPERATION

●

HIGH SFDR: 20MHz Output at 100MSPS: 64dBc

● LOW GLITCH: 3pV-s

Cable Modems

● LOW POWER: 170mW at +5V

● WAVEFORM GENERATION

● INTERNAL REFERENCE:

Optional Ext. Reference

Adjustable Full-Scale Range

Multiplying Option

Direct Digital Synthesis (DDS)

Arbitrary Waveform Generation (ARB)

● MEDICAL/ULTRASOUND

● HIGH-SPEED INSTRUMENTATION AND

CONTROL

● VIDEO, DIGITAL TV

battery-operated systems. Further optimization can be realized

by lowering the output current with the adjustable full-scale

option.

DESCRIPTION

The DAC904 is a high-speed, Digital-to-Analog Converter (DAC)

offering a 14-bit resolution option within the family of high-

performance converters. Featuring pin compatibility among fam-

ily members, the DAC908, DAC900, and DAC902 provide a

component selection option to an 8-, 10-, and 12-bit resolution,

respectively. All models within this family of DACs support

update rates in excess of 165MSPS with excellent dynamic

performance, and are especially suited to fulfill the demands of

a variety of applications.

For noncontinuous operation of the DAC904, a power-down

mode results in only 45mW of standby power.

The DAC904 comes with an integrated 1.24V bandgap refer-

ence and edge-triggered input latches, offering a complete

converter solution. Both +3V and +5V CMOS logic families can

be interfaced to the DAC904.

The reference structure of the DAC904 allows for additional

flexibility by utilizing the on-chip reference, or applying an

external reference. The full-scale output current can be adjusted

over a span of 2-20mA, with one external resistor, while main-

taining the specified dynamic performance.

The advanced segmentation architecture of the DAC904 is

optimized to provide a high Spurious-Free Dynamic Range

(SFDR) for single-tone, as well as for multi-tone signals—

essential when used for the transmit signal path of communica-

tion systems.

The DAC904 is available in SO-28 and TSSOP-28 packages.

The DAC904 has a high impedance (200kΩ) current output with

a nominal range of 20mA and an output compliance of up to

1.25V. The differential outputs allow for both a differential or

single-ended analog signal interface. The close matching of the

current outputs ensures superior dynamic performance in the

differential configuration, which can be implemented with a

transformer.

+V_A

+V_D

DAC904

I_OUT

BYP

LSB

Switches

FSA

Current

Sources

REF_IN

Segmented

Switches

INT/EXT

Utilizing a small geometry CMOS process, the monolithic DAC904

can be operated on a wide, single-supply range of +2.7V to

+5.5V. Its low power consumption allows for use in portable and

Latches

+1.24V Ref.

14-Bit Data Input

D13...D0

AGND

CLK

DGND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

12 3 4 5 6 7...23

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DAC904EG4 替代型号

型号	品牌	替代类型	描述	数据表
DAC904E	TI	类似代替	14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER

与DAC904EG4相关器件

型号	品牌	获取价格	描述	数据表
DAC904U	TI	获取价格	14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC904U	BB	获取价格	14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC904U/1K	TI	获取价格	14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC904U/1KG4	TI	获取价格	14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC904UG4	TI	获取价格	14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC908	BB	获取价格	8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC908	TI	获取价格	8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC908E	TI	获取价格	8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC908E	BB	获取价格	8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER
DAC908E/2K5	TI	获取价格	8-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER

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