器件名称:
ALD500R
功能描述:
PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE
文件大小:
93.7KB 共12页
简 介:
ADVANCED LINEAR DEVICES, INC. ALD500RAU/ALD500RA/ALD500R PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE APPLICATIONS 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 Low cost, simple functionality Wide dynamic signal range Very high noise immunity Automatic compensation and cancellation of error sources Easy to use to acquire bipolar signals Up to 19 bit (18 bit + sign bit) single conversion or 21 bit (20 bit + sign bit) multiple 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 Accurate on-chip voltage reference Tempco as low as 10 ppm/°C guaranteed Chip select - power down mode High input impedance of 1012 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 0.001% typical Fast zero-crossing comparator - 1s Low power dissipation - 6mW typical Automatic internal polarity detection Low input current - 2pA typical Optional digital control from a microcontroller, an ASIC, or a dedicated digital circuit Flexible conversion speed vs. res……
