AD569BD Analog Devices Inc, AD569BD Datasheet

IC,D/A CONVERTER,SINGLE,16-BIT,BICMOS,DIP,28PIN

AD569BD

Manufacturer Part Number

AD569BD

Description

IC,D/A CONVERTER,SINGLE,16-BIT,BICMOS,DIP,28PIN

Manufacturer

Analog Devices Inc

Datasheet

1.AD569JNZ.pdf (12 pages)

Specifications of AD569BD

Rohs Status

RoHS non-compliant

Settling Time

4µs

Number Of Bits

Data Interface

Parallel

Number Of Converters

Voltage Supply Source

Dual ±

Operating Temperature

-25°C ~ 85°C

Mounting Type

Through Hole

Package / Case

28-CDIP (0.600", 15.24mm)

Power Dissipation (max)

Lead Free Status / RoHS Status

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PRODUCT DESCRIPTION

The AD569 is a monolithic 16-bit digital-to-analog converter

(DAC) manufactured in Analog Devices’ BiMOS II process.

BiMOS II allows the fabrication of low power CMOS logic

functions on the same chip as high precision bipolar linear cir-

cuitry. The AD569 chip includes two resistor strings, selector

switches decoding logic, buffer amplifiers, and double-buffered

input latches.

The AD569’s voltage-segmented architecture insures 16-bit

monotonicity over time and temperature. Integral nonlinearity is

maintained at 0.01%, while differential nonlinearity is

voltage output settling time of 3 s to within 0.001% for a

full-scale step.

The reference input voltage which determines the output range

can be either unipolar or bipolar. Nominal reference range is

provided for high accuracy applications. The AD569 can oper-

ate with an ac reference in multiplying applications.

Data may be loaded into the AD569’s input latches from 8- and

16-bit buses. The double-buffered structure simplifies 8-bit bus

interfacing and allows multiple DACs to be loaded asynchro-

nously and updated simultaneously. Four TTL/LSTTL/5 V

CMOS-compatible signals control the latches: CS, LBE, HBE,

and LDAC

The AD569 is available in five grades: J and K versions are

specified from 0 C to +70 C and are packaged in a 28-pin plas-

tic DIP and 28-pin PLCC package; AD and BD versions are

specified from –25 C to +85 C and are packaged in a 28-pin

ceramic DIP. The SD version, also in a 28-pin ceramic DIP, is

specified from –55 C to +125 C.

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

0.0004%. The on-chip, high-speed buffer amplifiers provide a

5 V and separate reference force and sense connections are

FEATURES

Guaranteed 16-Bit Monotonicity

Monolithic BiMOS II Construction

8- and 16-Bit Bus Compatibility

3 s Settling to 16 Bits

Low Drift

Low Power

Low Noise

APPLICATIONS

Robotics

Closed-Loop Positioning

High-Resolution ADCs

Microprocessor-Based Process Control

MIL-STD-883 Compliant Versions Available

0.01% Typical Nonlinearity

PRODUCT HIGHLIGHTS

1. Monotonicity to 16 bits is insured by the AD569’s voltage-

2. The output range is ratiometric to an external reference or ac

3. The AD569’s versatile data input structure allows loading

4. The on-chip output buffer amplifier can supply 5 V into a

5. Kelvin connections to the reference inputs preserve the gain

6. The AD569 is available in versions compliant with MIL-STD-

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

Tel: 617/329-4700

segmented architecture.

signal. Gain error and gain drift of the AD569 are negligible.

from 8- and 16-bit buses.

1 k load, and can drive capacitive loads of up to 1000 pF.

and offset accuracy of the transfer function in the presence of

wiring resistances and ground currents.

883. Refer to the Analog Devices Military Products Data-

book or current AD569/883B data sheet for detailed

specifications.

Voltage Output D/A Converter

FUNCTIONAL BLOCK DIAGRAM

16-Bit Monotonic

AD569

Fax: 617/326-8703

Related parts for AD569BD

AD569BD Summary of contents

Page 1

FEATURES Guaranteed 16-Bit Monotonicity Monolithic BiMOS II Construction 0.01% Typical Nonlinearity 8- and 16-Bit Bus Compatibility 3 s Settling to 16 Bits Low Drift Low Power Low Noise APPLICATIONS Robotics Closed-Loop Positioning High-Resolution ADCs Microprocessor-Based Process Control MIL-STD-883 Compliant ...

Page 2

AD569–SPECIFICATIONS Model AD569JN/JP/AD Parameter Min RESOLUTION LOGIC INPUTS V (Logic “l”) 2 (Logic “0” 5 TRANSFER FUNCTION CHARACTERISTICS Integral Nonlinearity ...

Page 3

AC PERFORMANCE CHARACTERISTICS These characteristics are included for Design Guidance Only and are not subject to test +12 V; –V = – – REF Parameter Limit Output Voltage Settling 5 (Time ...

Page 4

... AD569JP 0.04% AD569KN 0.024% AD569KP 0.024% AD569AD 0.04% AD569BD 0.024% AD569SD 0.04% NOTES 1 For details on grade and package offerings screened in accordance with MIL-STD-883, refer to the Analog Devices Military Products Databook or current AD569/883B data sheet Ceramic DIP Plastic DIP Plastic Leaded Chip Carrier. ...

Page 5

FUNCTIONAL DESCRIPTION The AD569 consists of two resistor strings, each of which is di- vided into 256 equal segments (see Figure 3). The 8 MSBs of the digital input word select one of the 256 segments on the first string. ...

Page 6

AD569 Figure 5. Typical DNL at Segment Boundary Transitions a. Segment 1 b. Segment 256 Figure 6. Typical DNL Within Segments MULTIPLYING FEEDTHROUGH ERROR: This is the error due to capacitive feedthrough from the reference to the output with the ...

Page 7

Zener diode fail (a short circuit would be the most likely failure), the supply voltage decreases. This differs from the situation where the diode is used as a series regulator. In that case, a failure ...

Page 8

AD569 Figure 9. MSB Resistor Divider Figures 11, 12, and 13 show reference configurations for various output ranges. As shown in Figure 11, the pin-programmable AD588 can be connected to provides tracking 5 V outputs with 1-3ppm/ C temperature stability. ...

Page 9

MULTIPLYING PERFORMANCE Figure 14 illustrates the gain and phase characteristics of the AD569 when operated in the multiplying mode. Full-power bandwidth is shown in Figure 14a and the corresponding phase shift is shown in Figure 14b. Performance is plotted for ...

Page 10

AD569 under worst-case conditions (hex input code 0000), feedthrough remains below –100 reference frequencies kHz. Figure 16. Multiplying Feedthrough BYPASSING AND GROUNDING RULES It is generally considered good engineering practice to use bypass capacitors ...

Page 11

Simple Interface b. Fast Interface Figure 20. 8-Bit Microprocessor Interface 8-Bit Microprocessor Interfaces Since 8-bit microprocessors require two write cycles to provide the AD569’s 16-bit input, the DAC register must be utilized most often loaded as the ...

Page 12

AD569 Preceding the second flash, the residue signal must be amplified by a factor of 256. The OP37 provides a gain of 25.6 and the AD630 provides another gain of 10. In this case, the AD630 acts as a gain ...

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