Advanced Linear Devices ALD500A
The ALD500AU/ALD500A/ALD500 are integrating dual slope analog processors, designed to operate on ± 5V power supplies for building precision analog-to-digital converters. The ALD500AU/ALD500A/ ALD500 feature specifications suitable for 18 bit/17 bit/16 bit resolution conversion, respectively. The digital controller can be implemented by an external microcontroller, under either hardware (fixed logic) or software control.| Part No. | ALD500A |
|---|---|
| Datasheet | ALD500A Download |
| Manufacturer |  Advanced Linear Devices |
| Description | PRECISION INTEGRATING ANALOG PROCESSOR |
| Buy | Stock & Price |
APPLICATIONS
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● 4 1/2 digits to 5 1/2 digits plus sign measurements Precision analog signal processor Precision sensor interface High accuracy DC measurement functions Portable battery operated instruments Computer peripheral PCMCIA BENEFITS
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● Wide dynamic signal range Very high noise immunity Low cost, simple functionality Automatic compensation and cancellation of error sources
● Easy to use to acquire true 18 bit,17 bit, or 16 bit conversion and noise performance
● Inherently linear and stable with temperature and component variations
FEATURES
● Resolution up to 18 bits plus sign bit and over-range bit● Accuracy independent of input source impedances
● High input impedance of 1012 Ω
● Inherently filters and integrates any external noise spikes
● Differential analog input
● Wide bipolar analog input voltage range ±3.5V
● Automatic zero offset compensation
● Low linearity error - as low as 0.002%
● Fast zero-crossing comparator - 1µs
● Low power dissipation - 6mW typ...
