5962-8770102RA

更新时间： 2024-11-04 12:35:31

品牌	Logo	应用领域
亚德诺 - ADI		/
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8页	174K
描述
CMOS Dual 8-Bit Buffered Multiplying DAC

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5962-8770102RA 数据手册

CMOS Dual 8-Bit

Buffered Multiplying DAC

AD7528

FEATURES

FUNCTIONAL BLOCK DIAGRAM

On-Chip Latches for Both DACs

+5 V to +15 V Operation

REF

DACs Matched to 1%

Four Quadrant Multiplication

TTL/CMOS Compatible

Latch Free (Protection Schottkys not Required)

DB0

OUT A

DATA

INPUTS

INPUT

BUFFER

LATCH

DAC A

DB7

AGND

APPLICATIONS

AD7528

Digital Control of:

Gain/Attenuation

Filter Parameters

Stereo Audio Circuits

X-Y Graphics

DAC A/

DAC B

CONTROL

LOGIC

OUT B

LATCH

DAC B

DGND

REF

GENERAL DESCRIPTION

ORDERING GUIDE¹

The AD7528 is a monolithic dual 8-bit digital/analog converter

featuring excellent DAC-to-DAC matching. It is available in

skinny 0.3" wide 20-lead DIPs and in 20-lead surface mount

packages.

Temperature

Ranges

Relative Gain

Accuracy Error

Package

Options³

Model²

AD7528JN –40°C to +85°C

AD7528KN –40°C to +85°C

AD7528LN –40°C to +85°C

±1 LSB

±4 LSB N-20

±1/2 LSB ±2 LSB N-20

±1/2 LSB ±1 LSB N-20

Separate on-chip latches are provided for each DAC to allow

easy microprocessor interface.

AD7528JP

–40°C to +85°C

±1 LSB

±4 LSB P-20A

Data is transferred into either of the two DAC data latches via a

common 8-bit TTL/CMOS compatible input port. Control

input DAC A/DAC B determines which DAC is to be loaded.

The AD7528’s load cycle is similar to the write cycle of a ran-

dom access memory and the device is bus compatible with most

8-bit microprocessors, including 6800, 8080, 8085, Z80.

AD7528KP –40°C to +85°C

AD7528LP –40°C to +85°C

±1/2 LSB ±2 LSB P-20A

±1/2 LSB ±1 LSB P-20A

AD7528JR

–40°C to +85°C

±1 LSB

±4 LSB R-20

AD7528KR –40°C to +85°C

AD7528LR –40°C to +85°C

AD7528AQ –40°C to +85°C

AD7528BQ –40°C to +85°C

AD7528CQ –40°C to +85°C

AD7528SQ –55°C to +125°C ±1 LSB

AD7528TQ –55°C to +125°C ±1/2 LSB ±2 LSB Q-20

AD7528UQ –55°C to +125°C ±1/2 LSB ±1 LSB Q-20

±1/2 LSB ±2 LSB R-20

±1/2 LSB ±1 LSB R-20

±1 LSB

±4 LSB Q-20

±1/2 LSB ±2 LSB Q-20

±1/2 LSB ±1 LSB Q-20

The device operates from a +5 V to +15 V power supply, dis-

sipating only 20 mW of power.

±4 LSB Q-20

Both DACs offer excellent four quadrant multiplication charac-

teristics with a separate reference input and feedback resistor for

each DAC.

NOTES

¹Analog Devices reserves the right to ship side-brazed ceramic in lieu of cerdip. Parts

will be marked with cerdip designator “Q.”

²Processing to MIL-STD-883C, Class B is available. To order, add suffix “/883B” to

part number. For further information, see Analog Devices’ 1990 Military Products

Databook.

PRODUCT HIGHLIGHTS

1. DAC-to-DAC matching: since both of the AD7528 DACs are

fabricated at the same time on the same chip, precise match-

ing and tracking between DAC A and DAC B is inherent.

The AD7528’s matched CMOS DACs make a whole new

range of applications circuits possible, particularly in the

audio, graphics and process control areas.

³N = Plastic DIP; P = Plastic Leaded Chip Carrier; Q = Cerdip; R = SOIC.

2. Small package size: combining the inputs to the on-chip DAC

latches into a common data bus and adding a DAC A/DAC B

select line has allowed the AD7528 to be packaged in either a

small 20-lead DIP, SOIC or PLCC.

REV. B

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 8

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5962-8770102RA 替代型号

型号	品牌	替代类型	描述	数据表
AD7524JNZ	ADI	功能相似	8-Bit Buffered Multiplying DAC
AD7528JNZ	ADI	功能相似	CMOS Dual 8-Bit Buffered Multiplying DAC
TLC7528CN	TI	功能相似	DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS

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