Converter-Display Module Controller heALD500/523D chipset precisi

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Converter-Display Module Controller heALD500/523D chipset precisi

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ALD500/ALD523D Chipset
Converter-Display Module Controller
heALD500/523D chipset precision 18-bit plus sign dual-slope integrating analog/digital converter. Designed analog/digital 2-chip chipset minimize mixed signal crosstalk noise, this converter display module controller combination unique industry. ALD500 analog chip optional ALD500R functions dualslope integrator latter incorporates on-chip precision voltage reference. digital chip, ALD523D dedicated controller I.C. designed conveniently interface with variety LCD/VFD multiline alphanumeric character display modules. ALD523D features multi-function control inputs broad range user selectable functions, including separate display settings. ALD523D also features power-down (sleep mode), chip select integration time select. Combined, chipset offers designers immediate solution otherwise complex engineering task that would generally require extensive development effort using discrete components. chipset primarily intended precision embedded display applications including embedded digital panel meters, customized/specialized instrument displays, temperature monitoring, high resolution voltmeters, signal conditioners, laboratory datalogging, process monitors, portable/field troubleshooting calibration systems. Full-scale analog input range 2.00000 with linearity 0.005%. full digits displayed converter measurement value. Configured maximum user flexibility, ALD523D controller chip operated user selectable application specific functional modes; Mode calibrated reference, Mode ratiometric, Mode display only. Mode used primarily measurements against calibrated reference voltage typically required precision voltmeter applications. Mode intended measurements against ratiometric reference voltage such those required weigh scale applications. Mode used display applications where input data already formatted industry standard serial binary from other microprocessors data converters serial bits including sign bit. Mode only digital ALD523D chip required. addition three modes operation, three separate display group settings available, each with different scale factors UNIT displays. applications such embedded measurement instrument modules, three separate ranges single measurement preset, selected displayed. Both software hardware based settings available setting variety parameters such Samples Averaging, Decimal Placement, Digits Blanking, Zero Level, Display Group Setting, Mode Selection, UNIT Labeling, Calibration.
Chipset consisting ALD500 Integrating Analog Processor ALD523D Display Module Controller
Features
full digits plus sign 9999999) display Stand alone display module control operation. separate DISPLAY settings. Compatible with industry standard 1-line 2-line character display module such +/-3V +/-5V power supply. Accepts most industry standard serial inputs 32-bits, including sign bit. selectable operating modes. based software included calibration initial setup.
Software
Standard setup/calibration software provided with chipset. This software used initially configure ALD523D controller chip operating modes, well perform system calibration establish user-defined alphanumeric "TITLE UNIT fields" display module, which stored external EEPROM. Communications between ALD523D performed over parallel printer port.
www.aldinc.com
ADVANCED LINEAR DEVICES, INC.
Product Applications
Embedded precision digital display High-resolution voltmeter High accuracy noise weigh scale system Precision measurement system Stand-alone display interface controller External serial data display module Hi-res converter with alphanumeric display interface Temperature monitoring system
Advanced Linear Devices,Inc. develops manufactures full line precision CMOS linear integrated circuits, including analog switches, converters, voltage comparators, operational amplifiers, conventional EPAD ®MOSFET transistors.
ALD523D
Specifications*
Most standard devices available ASIC cells development semi-custom integrated circuits.
Power Supply Voltage: (5.5 max) Current: typical Input Low: -0.3 High: Output Low: High: Oscillator Crystal Freq: 3.6864 typical Freq:
also serves customers through expertise full custom design engineering, including device process development.
ALD523D
Packaging
Memory
ALD523DPH 28-Pin plastic (PDIP) ALD523DSH 28-Pin small outline (SOIC)
ALD523D
Operating Temp. Range
Analog Input
Functional Switches (Optional) ALD500 Integrating Analog Processor Other Serial Input
ALD523D
Multifunction 7-digit Serial Input Display Module Controller
Character Display Module
degree degrees (Optional industrial grade also available)
Ordering Information
Evaluation Board Level Product Part Description MB203PDK MB203SDK MB203PCB PDIP Design SOIC Design Printed Circuit Board
OPERATING MODES: Calibrated Reference Ratiometric Display Only
Setup/ Calibration
Chipset I.C. Product (recommended) Part Operating Mode ALD500AUPC Mode ALD500RAU-10PE Mode ALD523DPH Mode
special requirements such different package type, grade selection, please refer individual data sheet contact factory.
NOTES: EEPROM line character line character Also compatible with similar resolution display interface initial setup calibration modes Other microprocessor serial data inputs
Chipset Functional Block Diagram
Advanced Linear Devices, Inc. Tasman Drive, Sunnyvale, 94089 Tel: (408) 747-1144 Fax: (408)747-1286

Converter-Display Module Controller heALD500/523D chipset precisi

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