AD2S80A Variable Resolution Resolver-to-Digital Converters

The AD2S80A/AD2S81A/AD2S82A series are monolithic 10-, 12-, 14, or 16-bit tracking resolver-to-digital converters.

The converter allows users to select their own resolution and dynamic performance with external components. This allows the users great flexibility in defining the converter that best suits their system requirements. The converter allows users to select the resolution to be 10, 12, 14, or 16 bits [AD2S81A allows 12 bit resolution only] and to track resolver signals rotating at up to 1040 revs per second (62,400 rpm) when set to 10-bit resolution.

The AD2S80A/AD2S81A/AD2S82A series converts resolver format input signals into a parallel natural binary digital word using a ratiometric tracking conversion method. This ensures high noise immunity and tolerance of long leads allowing the converter to be located remote from the resolver.

The AD2S80A/AD2S81A/AD2S82A series operates over reference frequencies in the range 50 Hz to 20,000 Hz.

Features and Benefits
  • AD2S80A/AD2S81A/AD2S82A
  • Tracking R/D Converter
    Ratiometric Conversion
    High Max Tracking Rate 1040 RPS
    (10 Bits) 10-, 12-, 14-, or
    16-Bit Resolution Set by User
    Dynamic Performance Set by User
    Velocity Output
  • AD2S81A
    12-Bit fixed resolution only
    28-Lead DIP package
  • AD2S82A
    VCO output
    Data complement facility
    44-Lead PLCC package
Analog to Digital Converters
Data Sheets
Documentnote
AD2S80A: Variable Resolution, Monolithic Resolver-to-Digital Converter Data Sheet (Rev. D)PDF 187 kB
AD2S81A/AD2S82A: Variable Resolution, Monolithic Resolver-to-Digital Converters Data Sheet (Rev. B)PDF 195 kB
AD2S80A: Errata Sheet (Rev. A)PDF 27 kB
Application Notes
Documentnote
AN-203: Using the AD2S80 Series Resolver-to-Digital Converters as Control TransformersPDF 330 kB
AN-234: Digital Resolver IntegrationPDF 133 kB
AN-264: Dynamic Characteristics of Tracking ConverterPDF 205 kB
AN-263: Resolver to Digital Conversion; Simple Alternative to Optical Shaft EncodersPDF 520 kB
AN-252: Using the AD2S80 Series Resolver to Digital Converters with Synchro's; Solid State Scott-T Circuit.PDF 306 kB
AN-265: Circuit Applications of the AD2S80 and AD2S81 Resolver to DigitalPDF 510 kB
AN-266: Passive Component Selection and Dynamic Modeling for the AD2S80 Series Resolver to Digital ConverterPDF 1307 kB
Order Information
Part NumberPackagePacking QtyTemp RangePrice 100-499Price 1000+RoHS
5962-9096201MQA ProductionS/B OR B/B CERAMIC DIPOTH 9-55 to 125C562.190N
5962-9096201MXA ProductionLCC:CER LEADLESS CHIP CARROTH 28642.480N
AD2S80AAD ProductionS/B OR B/B CERAMIC DIPOTH 9-40 to 85C149.380N
AD2S80ABD ProductionS/B OR B/B CERAMIC DIPOTH 9-40 to 85C181.16181.16N
AD2S80AJD ProductionS/B OR B/B CERAMIC DIPOTH 90 to 70C118118N
AD2S80AKD ProductionS/B OR B/B CERAMIC DIPOTH 90 to 70C181.72181.72N
AD2S80ALD ProductionS/B OR B/B CERAMIC DIPOTH 90 to 70C236.01236.01N
AD2S80ASD ProductionS/B OR B/B CERAMIC DIPOTH 9-55 to 125C325.16325.16N
AD2S80ASD/883B ProductionS/B OR B/B CERAMIC DIPOTH 9-55 to 125C525.4525.4N
AD2S80ATD ProductionS/B OR B/B CERAMIC DIPOTH 9-55 to 125C356.93326.83N
AD2S80ATD/B ProductionS/B OR B/B CERAMIC DIPOTH 9-55 to 125C459.56422.8N
AD2S80ATE ProductionLCC:CER LEADLESS CHIP CARROTH 28-55 to 125C409.95409.95N
AD2S80AUD ProductionS/B OR B/B CERAMIC DIPOTH 9-55 to 125C431.77431.77N
AD2S81AJD ProductionS/B OR B/B CERAMIC DIPOTH 130 to 70C111.24111.24N
AD2S82AHP Production44 ld PLCCOTH 27-40 to 85C00N
AD2S82AHP-REEL Production44 ld PLCCREEL 500-40 to 85C00N
AD2S82AHPZ Production44 ld PLCCOTH 27-40 to 85C66.3455.54Y
AD2S82AHPZ-REEL Production44 ld PLCCREEL 500-40 to 85C055.54Y
AD2S82AJP Production44 ld PLCCOTH 27-40 to 85C00N
AD2S82AJPZ Production44 ld PLCCOTH 27-40 to 85C131.99131.99Y
AD2S82AKP Production44 ld PLCCOTH 27-40 to 85C176.74176.74N
AD2S82AKPZ Production44 ld PLCCOTH 27-40 to 85C160.99160.99Y
AD2S82ALP Production44 ld PLCCOTH 27-40 to 85C241.46241.46N
AD2S82ALPZ Production44 ld PLCCOTH 27-40 to 85C219.96219.96Y
Reference Materials
AD2S80A: Variable Resolution, Monolithic Resolver-to-Digital Converter Data Sheet (Rev. D) ad2s80a
AD2S80A：分辨率可变的单芯片旋变数字转换器 (Rev. B) ad2s80a
AD2S81A/AD2S82A: Variable Resolution, Monolithic Resolver-to-Digital Converters Data Sheet (Rev. B) ad2s80a
AD2S80A: Errata Sheet (Rev. A) ad2s80a
AN-203: Using the AD2S80 Series Resolver-to-Digital Converters as Control Transformers ad2s80a
AN-234: Digital Resolver Integration ad2s80a
AN-264: Dynamic Characteristics of Tracking Converter ad2s80a
AN-263: Resolver to Digital Conversion; Simple Alternative to Optical Shaft Encoders ad2s80a
AN-252: Using the AD2S80 Series Resolver to Digital Converters with Synchro's; Solid State Scott-T Circuit. ad2s80a
AN-265: Circuit Applications of the AD2S80 and AD2S81 Resolver to Digital ad2s80a
AN-266: Passive Component Selection and Dynamic Modeling for the AD2S80 Series Resolver to Digital Converter ad2s80a
Resolver to Digital Converter Component Part Guide ad2s80a
Single Chip DSP Motor Control Systems Catching on in Home Appliances ad2s80a
DSP Motor Control in Domestic Appliance Applications ad2s80a
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