5962-8770102RA Analog Devices, 5962-8770102RA Datasheet

5962-8770102RA

Manufacturer Part Number

5962-8770102RA

Description

DUAL 8-BIT CMOS MLDAC IC

Manufacturer

Analog Devices

Datasheet

1.AD7528LRS-REEL.pdf (8 pages)

Specifications of 5962-8770102RA

Pack_quantity

Comm_code

85423990

Lead_time

Eccn

3A001A2C

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GENERAL DESCRIPTION

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.

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

easy microprocessor interface.

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.

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

sipating only 20 mW of power.

Both DACs offer excellent four quadrant multiplication charac-

teristics with a separate reference input and feedback resistor for

each DAC.

PRODUCT HIGHLIGHTS

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

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

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.

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.

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.

FEATURES

On-Chip Latches for Both DACs

+5 V to +15 V Operation

DACs Matched to 1%

Four Quadrant Multiplication

TTL/CMOS Compatible

Latch Free (Protection Schottkys not Required)

APPLICATIONS

Digital Control of:

Gain/Attenuation

Filter Parameters

Stereo Audio Circuits

X-Y Graphics

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

Tel: 781/329-4700

Fax: 781/326-8703

Model

AD7528JN

AD7528KN –40 C to +85 C

AD7528LN –40 C to +85 C

AD7528JP

AD7528KP

AD7528LP

AD7528JR

AD7528KR –40 C to +85 C

AD7528LR

AD7528AQ –40 C to +85 C

AD7528BQ –40 C to +85 C

AD7528CQ –40 C to +85 C

AD7528SQ

AD7528TQ –55 C to +125 C

AD7528UQ –55 C to +125 C

NOTES

INPUTS

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

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

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

DAC A/

will be marked with cerdip designator “Q.”

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

Databook.

DAC B

DGND

DATA

DB7

DB0

FUNCTIONAL BLOCK DIAGRAM

Buffered Multiplying DAC

Temperature

Ranges

–40 C to +85 C

–55 C to +125 C

CONTROL

BUFFER

LOGIC

INPUT

World Wide Web Site: http://www.analog.com

ORDERING GUIDE

LATCH

CMOS Dual 8-Bit

Relative

Accuracy Error

1 LSB

1/2 LSB

1 LSB

1/2 LSB

1 LSB

1/2 LSB

1 LSB

1/2 LSB

1 LSB

1/2 LSB

AD7528

REF

DAC B

DAC A

AD7528

Gain

4 LSB N-20

2 LSB N-20

1 LSB N-20

4 LSB P-20A

2 LSB P-20A

1 LSB P-20A

4 LSB R-20

2 LSB R-20

1 LSB R-20

4 LSB Q-20

2 LSB Q-20

1 LSB Q-20

4 LSB Q-20

2 LSB Q-20

1 LSB Q-20

Package

Options

AGND

OUT A

OUT B

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