ALD523D Datasheet, PDF (1/20 Pages) Advanced Linear Devices – MULTIFUNCTION 7 - DIGIT SERIAL INPUT DISPLAY MODULE CONTROLLER

ALD523D
MULTIFUNCTION 7-DIGIT SERIAL INPUT DISPLAY MODULE CONTROLLER
ALD500
DUAL SLOPE
A/D 4-PHASE
CONTROLLER
CONTROL
LOGIC
FUNCTIONS
SELECTORS
ANALOG
INPUT
EXTERNAL
SERIAL
BINARY
INPUT
PC
SERIAL
BINARY TO
6½ -DIGIT
DECIMAL
CONVERTER
SERIAL I/O
INTERFACE
LOGIC
EEPROM
MEMORY
CONTROLLER
DISPLAY
MODULE
CONTROLLER
ALD523D BLOCK DIAGRAM
CHARACTER
DISPLAY MODULE
EEPROM
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
‰ 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
‰ Electrical programmable memory interface
© 2001 Advanced Linear Devices, Inc., 415 Tasman Drive, Sunnyvale, California 94089-1706, Tel: [phone], Fax: [phone]
ALD523D
12/01
http://www.aldinc.com
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