sdc14585-102 Data Device Corp., sdc14585-102 Datasheet
sdc14585-102
sdc14585-102 Summary of contents
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SDC-14580 PROGRAMMABLE SYNCHRO/RESOLVER- TO-DIGITAL CONVERTER DESCRIPTION The SDC-14580 series are versatile state-of-the-art Synchro-to- Digital (S/D) converters featuring programmable resolution and a velocity output voltage. Based on the popular SDC-14560 Series, the SDC-14580 offers a higher carrier frequency ...
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SOLID STATE SYNCHRO INPUT OPTION SOLID STATE RESOLVER INPUT OPTION S1 S1 SIN S2 ELECTRONIC S2 S3 SCOTT T COS S3 S4 SIN HIGH ACCURACY INPUT OPTION CONTROL COS TRANSFORMER 16 BIT CT TRANSPARENT LATCH 16 BIT U-D DIGITAL COUNTER ...
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These specifications apply over temperature range, power supply range, reference frequency, and amplitude range +10% signal amplitude variation and up to 10% harmonic distortion in the reference. PARAMETER RESOLUTION ACCURACY GRADES DIFFERENTIAL LINEARITY REPEATABILITY REF INPUT CHARACTERISTICS Voltage Range Carrier ...
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TABLE 1. SDC-14580 SPECIFICATIONS (CONTINUED) These specifications apply over temperature range, power supply range, reference frequency, and amplitude range; +10% signal amplitude variation and up to 10% harmonic distortion in the reference. PARAMETER DIGITAL OUTPUTS (CONTINUED) Drive Capability 50 pF ...
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THEORY OF OPERATION The SDC-14580 Series are small, 36 pin DDIP Synchro-to- Digital hybrid converters. As shown in the block diagram (FIG- URE 1), the SDC-14580 can be broken down into the following functional parts: Signal Input Option, Converter, Analog ...
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TABLE 3. RESOLUTION CONTROL B A (PIN 36) (PIN 35 also change to logic 0 for an over-velocity condition, because the converter loop cannot maintain input-output or if the converter malfunctions where ...
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FIGURE 4. SYNCHRO INPUT CONNECTION DIAGRAM FIGURE 5. RESOLVER INPUT CONNECTION DIAGRAM FIGURE 6. DIRECT INPUT CONNECTION DIAGRAM Data Device Corporation www.ddc-web.com REFERENCE OSCILLATOR (COUNT SDC-14580 VEL (VELOCITY PARALLEL S1 S1 ...
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Direct Resolver inputs accept 1 Vrms inputs in resolver form, (sinθ− cosωt and cosθcosωt) and are buffered prior to conversion. FIG- URE 3 illustrates synchro and resolver signals as a function of the ...
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TABLE 4. DIGITAL ANGLE OUTPUTS BIT DEG/BIT 1 (MSB ALL MODES 11.25 6 5.625 7 2.8125 8 1.4063 9 0.7031 10 (LSB 10 BIT MODE) 0.3516 11 0.1758 12 (LSB 12 BIT MODE) 0.0879 13 0.0439 ...
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CB returns to logic 0; if INH is applied during CB, the latch will not lock until the CB pulse is over. The purpose of the 50 ns delay is to prevent a race condition between CB and ...
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BIT 1 EL BIT 2 EM BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 SDC-14580 BIT 8 BIT 9 BIT 10 BIT 11 BIT 12 BIT 13 BIT 14 BIT 15 (LSB) BIT 16 INH FIGURE 13. ...
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VEL 0.01 µF FIGURE 17. VEL OUTPUT FILTER The error is positive phase with the reference and neg- ative out of phase with the reference. The e output can swing ±10 V ...
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VELOCITY RESPONSE A filter on the VEL output will, for a step input in velocity, elimi- nate the velocity overshoot (normally critically damped) and filter carrier frequency ripple. The VEL filter is shown in FIGURE 17. INTERFACING - DYNAMIC PERFORMANCE ...
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SOLID STATE SYNCHRO INPUT OPTION S1 ELECTRONIC S2 SCOTT T S3 RESOLVER SIN INPUT HIGH ACCURACY INPUT OPTION COS LA(INH) TRANSPARENT +5 V LM(EM) SYNCHRO AMP e SDC-14580 DEMODULATOR µ COMPUTER FIGURE 23. CT MODE APPLICATION Data ...
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PIN NO. TITLE I/O 1 S1(S) S1(R) V( S2(S) S2(R) +C( S3(S) S3(R) +S( S4( ...
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DOT IDENTIFIES PIN 1 0.775 ±0.005 (19.7 ±0.13) 0.10 ±0.01 (2.5 ±0.3) 0.21 MAX (5.3) SEATING PLANE 0.015 MAX (0.39) 0.25 MIN (6.4) Notes: 1. Dimensions shown are in inches (mm). 2. Lead identification numbers are for reference only. 3. ...
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ORDERING INFORMATION SDC-1458X-XXXX Supplemental Process Requirements Pre-Cap Source Inspection L = Pull Test Q = Pull Test and Pre-Cap Inspection K = One Lot Date Code W = One Lot Date Code and PreCap Source Y = One ...
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The information in this data sheet is believed to be accurate; however, no responsibility is assumed by Data Device Corporation for its use, and no license or rights are Please visit our web site at www.ddc-web.com for the latest information. ...