DGM-1040 datasheet, PDF - EEWORLD Datasheet

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DGM-1040: DescriptionIC SPECIALTY ANALOG CIRCUIT, DMA22, MODULE-22, Analog IC:Other; CategoryAnalog mixed-signal IC The signal circuit; File Size1MB，4 Pages; ManufacturerADI; Websitehttps://www.analog.com

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DGM-1040 Overview

IC SPECIALTY ANALOG CIRCUIT, DMA22, MODULE-22, Analog IC:Other

DGM-1040 Parametric

Parameter Name	Attribute value
Maker	ADI
Parts packaging code	DMA
package instruction	,
Contacts	22
Reach Compliance Code	unknown
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	S-XDMA-P22
length	58.42 mm
Nominal Negative Supply Voltage (Vsup)	-15 V
Number of functions	1
Number of terminals	22
Package body material	UNSPECIFIED
Package shape	SQUARE
Package form	MICROELECTRONIC ASSEMBLY
Certification status	Not Qualified
Nominal supply voltage (Vsup)	15 V
surface mount	NO
Terminal form	PIN/PEG
Terminal location	DUAL
width	58.42 mm

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08/25/94

15:00

11'9106680101

ANALOG DEVICES

002/005

--.

COMPUTER LABS

..'!

LIllI

ANALOG DEVICES

General

Deglitchers are normally used

to eliminate the non-linear effects

of "glitches" from the output of

D/A converters. The Computer

Labs DGM Series of Deglitchers

may be used with almost any type

of D/A converter to generate an out-

put signal with extremely high

spectral purity. These Deglitchers

have been used for television signal.

reproduction, CRT displays. wave-

form generation, and automatic test

equipment, to name a few.

DGM-1040 and -1080

OfA Deg litchers

OBS

The Problem

In most instances, fast-settling

DIA

converters are current-switch-

ing types, rather than voltage types.

In this type of converter, any input

bit changing causes a change in the

output current of the converter.

The input circuits for current-

switching 01A's, and their TTL or

DTL driving logic, are subject to

the characteristic of saturated logic

which causes propogation delay for

negative-going inputs to be dif-

ferent from the delay for positive-

going inputs.

As a result of this phenomenon,

time skew of the individual current

switches within the

D/A

converter

is worst when one or more input

bits are out of phase with th e others.

This is true even for ideal inputs in

which the digital input bits arrive

simultaneously; if there is time

skew among the bit inputs, the

problem becomes even more pro-

nounced.

These differences among the

internal switches cause a discon-

tinuity or "glitch" in the output

current of the D/A converter. The

true "worst case" glitch always

occurs at the switching point of the

Most Significant

Bit (MS8)

or the

center point of the output range,

because nearly equal and opposite

currents are being switched.

In addition to this inescapable

switching transient in the output,

OLE

Featu res

15 nsee acquisition

0.01% linearity.

time.

Directly interfaces with ultra high-speed, current-output

D/A's.

TTL or ECl compatible.

DGM plus D/A costs less than any "degfitched"

O/A available,

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DGM-1040 Related Products

	DGM-1040	DGM-1080ECL	DGM-1080	DGM-1040ECL
Description	IC SPECIALTY ANALOG CIRCUIT, DMA22, MODULE-22, Analog IC:Other	IC SPECIALTY ANALOG CIRCUIT, DMA22, MODULE-22, Analog IC:Other	IC SPECIALTY ANALOG CIRCUIT, DMA22, MODULE-22, Analog IC:Other	IC SPECIALTY ANALOG CIRCUIT, DMA22, MODULE-22, Analog IC:Other
Parts packaging code	DMA	DMA	DMA	DMA
Contacts	22	22	22	22
Reach Compliance Code	unknown	unknown	unknown	unknown
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	S-XDMA-P22	S-XDMA-P22	S-XDMA-P22	S-XDMA-P22
length	58.42 mm	58.42 mm	58.42 mm	58.42 mm
Nominal Negative Supply Voltage (Vsup)	-15 V	-15 V	-15 V	-15 V
Number of functions	1	1	1	1
Number of terminals	22	22	22	22
Package body material	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
Package shape	SQUARE	SQUARE	SQUARE	SQUARE
Package form	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Nominal supply voltage (Vsup)	15 V	15 V	15 V	15 V
surface mount	NO	NO	NO	NO
Terminal form	PIN/PEG	PIN/PEG	PIN/PEG	PIN/PEG
Terminal location	DUAL	DUAL	DUAL	DUAL
width	58.42 mm	58.42 mm	58.42 mm	58.42 mm

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