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ALD523D Datasheet(Fiches technique) 1 Page - Advanced Linear Devices

Numéro de pièce ALD523D
Description  MULTIFUNCTION 7 - DIGIT SERIAL INPUT DISPLAY MODULE CONTROLLER
Télécharger  20 Pages
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Fabricant  ALD [Advanced Linear Devices]
Site Internet  http://www.aldinc.com
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©
©
©
© 2001 Advanced Linear Devices, Inc., 415 Tasman Drive, Sunnyvale, California 94089-1706, Tel: (408) 747-1155, Fax: (408) 747-1286
ALD523D
12/01
http://www.aldinc.com
1 of 20
ALD523D
MULTIFUNCTION 7-DIGIT SERIAL INPUT DISPLAY MODULE CONTROLLER
PRODUCT FEATURES AND BENEFITS
Up to 7 full digit plus sign (
± 9999999) display
Built-in 21 bit serial binary to
± 6½ digit decimal converter
Compatible with industry standard 1-line x 16 and
2-line x 16 Character Display Modules
User defined 16-alphanumeric character TITLE field
and up to three 8-alphanumeric character UNIT fields
Wide range of alphanumeric display characters
Functional with either LCD or VFD display modules
with column drivers
Designed to operate optionally with ALD500/ALD500R
Precision Analog Signal Processors or directly with serial
inputs
User selected integration time and conversion speed
Cost effective and multipurpose stand alone operation
3 optional modes of operation:
- Mode A, calibrated reference mode
- Mode B, ratiometric mode
- Mode C, display only mode
Support external serial binary input (up to 32 bits)
3-wire serial interface to microprocessors or
microcontrollers
Electrical programmable memory interface
Crystal oscillator frequency up to 8 MHz
Single 3V to 5V power supply
Up to 3 separate sets of 7-DIGIT Display Sets
3 sets of user defined 64-bit arithmetic multiplication factor
Software programmable serial data bit mask and sign
polarity mask
3 different sets of user selected data sample averaging with
up to maximum of 128X sampling
Optional 13-function user configurable hardware selection
switches
Automatic zero level shifting during power-on-reset
Automatic zero level overwrite feature
Adjustable decimal point placement with trailing digit
blanking
External 1K EEPROM memory for easy change of factory
settings
Sleep mode with Auto Power-On-Reset.
Easy setup of calibration and system setup parameters
No software programming required
PC Interface Software provided for Calibration and Setup
modes
EEPROM
MEMORY
CONTROLLER
DUAL SLOPE
A/D 4-PHASE
CONTROLLER
SERIAL
BINARY TO
6½ -DIGIT
DECIMAL
CONVERTER
DISPLAY
MODULE
CONTROLLER
SERIAL I/O
INTERFACE
LOGIC
CONTROL
LOGIC
CHARACTER
DISPLAY MODULE
FUNCTIONS
SELECTORS
EEPROM
ALD523D BLOCK DIAGRAM
ALD500
ANALOG
INPUT
EXTERNAL
SERIAL
BINARY
INPUT
PC




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