DAC8420ES-REEL7 datasheet, PDF

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DAC8420ES-REEL7: DescriptionQUAD, SERIAL INPUT LOADING, 8us SETTLING TIME, 12-BIT DAC, PDSO16; CategoryAnalog mixed-signal IC converter; File Size492KB，24 Pages; ManufacturerADI; Websitehttps://www.analog.com

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DAC8420ES-REEL7 Overview

QUAD, SERIAL INPUT LOADING, 8us SETTLING TIME, 12-BIT DAC, PDSO16

DAC8420ES-REEL7 Parametric

Parameter Name	Attribute value
Maker	ADI
package instruction	SOP,
Reach Compliance Code	unknown
Maximum analog output voltage	2.5 V
Minimum analog output voltage	-2.5 V
Converter type	D/A CONVERTER
Enter bit code	BINARY
Input format	SERIAL
JESD-30 code	R-PDSO-G16
length	10.3 mm
Maximum linear error (EL)	0.0732%
Nominal negative supply voltage	-5 V
Number of digits	12
Number of functions	4
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Maximum seat height	2.65 mm
Nominal settling time (tstl)	8 µs
Nominal supply voltage	5 V
surface mount	YES
technology	BICMOS
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
width	7.5 mm
Base Number Matches	1

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Quad 12-Bit Serial

Voltage Output DAC

DAC8420

FEATURES

Guaranteed monotonic over temperature

Excellent matching between DACs

Unipolar or bipolar operation

Buffered voltage outputs

High speed serial digital interface

Reset-to-zero scale or midscale

Wide supply range, +5 V only to ±15 V

Low power consumption (35 mW maximum)

Available in 16-Lead PDIP, SOIC, and CERDIP packages

FUNCTIONAL BLOCK DIAGRAM

VREFHI

VDD

DAC8420

SDI

REG

CLK

SHIFT

REG

DAC B

DAC A

VOUTA

VOUTB

APPLICATIONS

Software controlled calibration

Servo controls

Process control and automation

ATE

REG

DAC C

VOUTC

DECODE

REG

DAC D

VOUTD

GND

CLSEL CLR

VREFLO

VSS

Figure 1.

GENERAL DESCRIPTION

The DAC8420 is a quad, 12-bit voltage-output DAC with serial

digital interface in a 16-lead package. Utilizing BiCMOS tech-

nology, this monolithic device features unusually high circuit

density and low power consumption. The simple, easy-to-use

serial digital input and fully buffered analog voltage outputs

require no external components to achieve a specified per-

formance.

The 3-wire serial digital input is easily interfaced to micro-

processors running at 10 MHz with minimal additional

circuitry. Each DAC is addressed individually by a 16-bit

serial word consisting of a 12-bit data word and an address

header. The user-programmable reset control CLR forces all

four DAC outputs to either zero scale or midscale,

asynchronously overriding the current DAC register values. The

output voltage range, determined by the inputs VREFHI and

VREFLO, is set by the user for positive or negative unipolar or

bipolar signal swings within the supplies, allowing considerable

design flexibility.

The DAC8420 is available in 16-lead PDIP, SOIC, and CERDIP

packages. Operation is specified with supplies ranging from

+5 V only to ±15 V, with references of +2.5 V to ±10 V, respec-

tively. Power dissipation when operating from ±15 V supplies is

less than 255 mW (maximum) and only 35 mW (maximum)

with a +5 V supply.

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

www.analog.com

Fax: 781.461.3113

00275-001

DAC8420

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Electrical Characteristics............................................................. 3

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 8

Typical Performance Characteristics ........................................... 10

Theory of Operation ...................................................................... 14

Introduction ................................................................................ 14

Digital Interface Operation ....................................................... 14

Correct Operation of CS and CLK........................................... 14

Using CLR and CLSEL .............................................................. 14

Programming the Analog Outputs .......................................... 14

VREFHI Input Requirements................................................... 16

Power-Up Sequence ................................................................... 16

Applications..................................................................................... 17

Power Supply Bypassing and Grounding................................ 17

Analog Outputs .......................................................................... 17

Reference Configuration ........................................................... 18

Isolated Digital Interface ........................................................... 19

Dual Window Comparator ....................................................... 20

MC68HC11 Microcontroller Interfacing................................ 20

DAC8420 to M68HC11 Interface Assembly Program .......... 21

Outline Dimensions ....................................................................... 22

Ordering Guide .......................................................................... 23

REVISION HISTORY

5/07—Rev. A to Rev. B

Updated Format..................................................................Universal

Changes to Endnote 3 ...................................................................... 4

Changes to Table 3............................................................................ 6

Changes to Table 4............................................................................ 2

Updated Outline Dimensions ....................................................... 22

Changes to Ordering Guide .......................................................... 23

9/03—Rev. 0 to Rev. A

Changes to General Description .................................................... 1

Deleted Wafer Test Limits table ...................................................... 4

Deleted Dice Characteristics........................................................... 4

Updated Ordering Guide................................................................. 4

Added Power-Up Sequence section ............................................. 12

Updated Outline Dimensions ....................................................... 17

Rev. B | Page 2 of 24

DAC8420ES-REEL7 Related Products

	DAC8420ES-REEL7	DAC8420EP	DAC8420FP
Description	QUAD, SERIAL INPUT LOADING, 8us SETTLING TIME, 12-BIT DAC, PDSO16	IC dac 12bit quad srl-out 16-dip	IC dac 12bit quad srl LP 16-dip
Maker	ADI	ADI	ADI
package instruction	SOP,	PLASTIC, MS-001AB, DIP-16	PLASTIC, MS-001AB, DIP-16
Reach Compliance Code	unknown	not_compliant	not_compliant
Maximum analog output voltage	2.5 V	2.5 V	2.5 V
Minimum analog output voltage	-2.5 V	-2.5 V	-2.5 V
Converter type	D/A CONVERTER	D/A CONVERTER	D/A CONVERTER
Enter bit code	BINARY	BINARY	BINARY
Input format	SERIAL	SERIAL	SERIAL
JESD-30 code	R-PDSO-G16	R-PDIP-T16	R-PDIP-T16
length	10.3 mm	20.07 mm	20.07 mm
Maximum linear error (EL)	0.0732%	0.0732%	0.0977%
Nominal negative supply voltage	-5 V	-5 V	-5 V
Number of digits	12	12	12
Number of functions	4	4	4
Number of terminals	16	16	16
Maximum operating temperature	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	DIP	DIP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	IN-LINE	IN-LINE
Maximum seat height	2.65 mm	5.33 mm	5.33 mm
Nominal settling time (tstl)	8 µs	8 µs	8 µs
Nominal supply voltage	5 V	5 V	5 V
surface mount	YES	NO	NO
technology	BICMOS	BICMOS	BICMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	1.27 mm	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL
width	7.5 mm	7.62 mm	7.62 mm
Base Number Matches	1	1	1
Is it Rohs certified?	-	incompatible	incompatible
Parts packaging code	-	DIP	DIP
Contacts	-	16	16
ECCN code	-	EAR99	EAR99
JESD-609 code	-	e0	e0
Encapsulate equivalent code	-	DIP16,.3	DIP16,.3
Peak Reflow Temperature (Celsius)	-	NOT SPECIFIED	NOT SPECIFIED
power supply	-	+-5/+-15 V	+-5/+-15 V
Certification status	-	Not Qualified	Not Qualified
Terminal surface	-	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)
Maximum time at peak reflow temperature	-	NOT SPECIFIED	NOT SPECIFIED

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