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DAC7621EB Datasheet

  • DAC7621EB

  • 12-Bit, Parallel Input DIGITAL-TO-ANALOG CONVERTER

  • 462.47KB

  • 11頁(yè)

  • BB

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廬
DAC
762
廬
1
DAC7621
For most current data sheet and other product
information, visit www.burr-brown.com
12-Bit, Parallel Input
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q
LOW POWER: 2.5mW
q
FAST SETTLING: 7
碌
s to 1 LSB
q
1mV LSB WITH 4.095V FULL-SCALE
RANGE
q
COMPLETE WITH REFERENCE
q
12-BIT LINEARITY AND MONOTONICITY
OVER INDUSTRIAL TEMP RANGE
q
ASYNCHRONOUS RESET TO 0V
DESCRIPTION
The DAC7621 is a 12-bit digital-to-analog converter
(DAC) with guaranteed 12-bit monotonicity perfor-
mance over the industrial temperature range. It re-
quires a single +5V supply and contains an input
register, latch, 2.435V reference, DAC, and high speed
rail-to-rail output amplifier. For a full-scale step, the
output will settle to 1 LSB within 7碌s. The device
consumes 2.5mW (0.5mA at 5V).
The parallel interface is compatible with a wide variety
of microcontrollers. The DAC7621 accepts a 12-bit
parallel word, has a double-buffered input logic struc-
ture and provides data readback. In addition, two
control pins provide a chip select (CS) function and
asynchronous clear (CLR) input. The CLR input can
be used to ensure that the DAC7621 output is 0V on
power-up or as required by the application.
The DAC7621 is available in a 20-lead SSOP package
and is fully specified over the industrial temperature
range of 鈥?0擄C to +85擄C.
V
DD
APPLICATIONS
q
PROCESS CONTROL
q
DATA ACQUISITION SYSTEMS
q
CLOSED-LOOP SERVO-CONTROL
q
PC PERIPHERALS
q
PORTABLE INSTRUMENTATION
Ref
12-Bit DAC
12
V
OUT
CLR
LOADDAC
DAC Register
12
Input Register
12
CS
R/W
I/O Buffer
DAC7621
D0
D1 D2
D3 D4
D5 D6
D7 D8
D9 D10 D11
DGND
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111
Twx: 910-952-1111 鈥?Internet: http://www.burr-brown.com/ 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏 1998 Burr-Brown Corporation
PDS-1502B
Printed in U.S.A. March, 1999

DAC7621EB 產(chǎn)品屬性

  • Data Converter Basics

  • 70

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器

  • -

  • 7µs

  • 12

  • 并聯(lián)

  • 1

  • 單電源

  • 5mW

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-SSOP（0.209"，5.30mm 寬）

  • 20-SSOP

  • 管件

  • 1 電壓，單極

  • 143k

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