The AD1555 is a complete sigma-delta modulator, combined with a programmable gain amplifier, intended for low frequency, high dynamic range measurement applications. The AD1555 outputs a ones-density bit stream proportional to the analog input. When used in conjunction with the AD1556 digital filter/decimator, the industry's highest performance ADC at a bandwidth of 1+ kHz is realized.
The continuous-time analog modulator input architecture avoids the need for an external anti-alias filter. The programmable gain front end simplifies system design, extends the dynamic range, and reduces system board area. Low operating power and standby modes makes the AD1555 ideal for remote battery-powered data acquisition systems.
|Title||Content Type||File Type|
|AD1555/AD1556: 24-Bit Sigma-Delta ADC Data Sheet (Rev B, 05/2002) (pdf, 429 kB)||Data Sheets|
|AN-101: Cross Plot Generator Allows Quick A/D Converter Evaluation (pdf, 280 kB)||Application Notes|
AN-347: Shielding and Guarding
(pdf, 688 kB)
How to Exclude Interference-Type Noise. What to do and Why to do it-A Rational Approach
AN-214: Ground Rules for High Speed Circuits
(pdf, 356 kB)
Layout and Wiring Are Critical in Video Converter Circuits.
AN-566: A Geophone/Hydrophone Acquisition Reference Design
(pdf, 211 kB)
The AD1555/AD1556 24-Bit Sigma-Delta ADC Chipset Provides for Direct Acquisition of High Dynamic Range Sensors.
|MS-2210: Designing Power Supplies for High Speed ADC (pdf, 327 kB)||Technical Articles|
|RAQs index||Rarely Asked Questions||HTML|
|Glossary of EE Terms||Glossary||HTML|
Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.
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