AD768ARZ-REEL

更新时间： 2024-11-09 13:05:23

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
20页	336K
描述
16-Bit, 30 MSPS D/A Converter

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数据手册
替代型号

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AD768ARZ-REEL 数据手册

16-Bit, 30 MSPS

D/A Converter

AD768

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

30 MSPS Update Rate

16-Bit Resolution

Linearity: 1/ 2 LSB DNL @ 14 Bits

1 LSB INL @ 14 Bits

Fast Settling: 25 ns Full-Scale Settling to 0.025%

SFDR @ 1 MHz Output: 86 dBc

THD @ 1 MHz Output: 71 dBc

Low Glitch Im pulse: 35 pV-s

Pow er Dissipation: 465 m W

On-Chip 2.5 V Reference

DCOM

(MSB)

DB15

AD768

MSBs: SEGMENTED

CURRENT SOURCES

AND SWITCHES

MSB

DECODER

AND

EDGE-

TRIGGERED

BIT

LSBs:

IOUTA

IOUTB

CURRENT SOURCES,

SWITCHES, AND

1kΩ R-2R

LADDERS

LATCHES

LADCOM

Edge-Triggered Latches

Multiplying Reference Capability

2.5V

BANDGAP

REFERENCE

CONTROL

AMP

DB0

APPLICATIONS

(LSB)

Arbitrary Waveform Generation

Com m unications Waveform Reconstruction

Vector Stroke Display

CLOCK

IREFIN

NC REFCOM REFOUT

P RO D UCT D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

T he AD768 is a 16-bit, high speed digital-to-analog converter

(DAC) that offers exceptional ac and dc performance. T he

AD768 is manufactured on ADI’s Advanced Bipolar CMOS

(ABCMOS) process, combining the speed of bipolar transistors,

the accuracy of laser-trimmable thin film resistors, and the effi-

ciency of CMOS logic. A segmented current source architecture

is combined with a proprietary switching technique to reduce

glitch energy and maximize dynamic accuracy. Edge triggered

input latches and a temperature compensated bandgap reference

have been integrated to provide a complete monolithic DAC

solution.

1. T he low glitch and fast settling time provide outstanding

dynamic performance for waveform reconstruction or digital

synthesis requirements, including communications.

2. T he excellent dc accuracy of the AD768 makes it suitable for

high speed A/D conversion applications.

3. On-chip, edge-triggered input CMOS latches interface

readily to CMOS logic families. T he AD768 can support up-

date rates up to 40 MSPS.

4. A temperature compensated, 2.5 V bandgap reference is

included on-chip allowing for generation of the reference

input current with the use of a single external resistor. An ex-

ternal reference may also be used.

T he AD768 is a current-output DAC with a nominal full-scale

output current of 20 mA and a 1 kΩ output impedance. Differ-

ential current outputs are provided to support single-ended

or differential applications. T he current outputs may be tied

directly to an output resistor to provide a voltage output, or fed

to the summing junction of a high speed amplifier to provide a

buffered voltage output. Also, the differential outputs may be

interfaced to a transformer or differential amplifier.

5. T he current output(s) of the AD768 may be used singly or

differentially, either into a load resistor, external op amp

summing junction or transformer.

6. Proper selection of an external resistor and compensation

capacitor allow the performance-conscious user to optimize

the AD768 reference level and bandwidth for the target

application.

T he on-chip reference and control amplifier are configured for

maximum accuracy and flexibility. T he AD768 can be driven by

the on-chip reference or by a variety of external reference volt-

ages based on the selection of an external resistor. An external

capacitor allows the user to optimally trade off reference band-

width and noise performance.

T he AD768 operates on ±5 V supplies, typically consuming

465 mW of power. T he AD768 is available in a 28-pin SOIC

package and is specified for operation over the industrial tem-

perature range.

REV. B

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7...20

中文翻译

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AD768ARZ-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD768ARZ	ADI	完全替代	16-Bit, 30 MSPS D/A Converter
AD768AR	ADI	类似代替	16-Bit, 30 MSPS D/A Converter
AD768AR-REEL	ADI	功能相似	IC PARALLEL, WORD INPUT LOADING, 0.025 us SETTLING TIME, 16-BIT DAC, PDSO28, 0.300 INCH, S

与AD768ARZ-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD768-EB	ADI	获取价格	16-Bit, 30 MSPS D/A Converter
AD7690	ADI	获取价格	16-Bit, +/-0.65 LSB INL, 500 kSPS PulSAR Differential ADC in MSOP/QFN
AD76901	ADI	获取价格	14-Bit, 500 kSPS PulSAR ADC in MSOP
AD7690BCPZRL	ADI	获取价格	1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO10, 3 X 3 MM, ROHS COMPLIANT,
AD7690BCPZRL7	ADI	获取价格	18-Bit, 1.5 LSB INL, 400 kSPS PulSAR® Differential ADC in MSOP/QFN
AD7690BRMZ	ADI	获取价格	18-Bit, 1.5 LSB INL, 400 kSPS PulSARÂ® Differ
AD7690BRMZ-RL7	ADI	获取价格	18-Bit, 1.5 LSB INL, 400 kSPS PulSAR® Differential ADC in MSOP/QFN
AD7691	ADI	获取价格	18-Bit, 1.5 LSB INL, 250 kSPS PulSAR Differential ADC in MSOP/QFN
AD7691_17	ADI	获取价格	250 kSPS PulSAR Differential ADC in MSOP/LFCSP
AD76911	ADI	获取价格	14-Bit, 500 kSPS PulSAR ADC in MSOP

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