16-bit monolithic tracking resolver (lvdt)-to-digital converter series model rdc-19220/2, rdc-19220/2s, rdc-19229s series description the rdc-19220/2, rdc-19220/2s, rdc-19229s series are 16 bit monolithic tracking resolver to digital convert- ers. these converter selections offer low cost off-the-shelf solutions for today's motion feedback applications. class k and mil-prf-38534 processing options are also available. this single chip converter features program- mable resolution of 10, 12, 14 or 16 bits with accuracies to 1.3 min. this converter can be configured for operation with a single +5vdc power supply. programmable bandwidth and a velocity output used to replace tachometers can be scaled to your application needs. the velocity scale factor / tracking rate is programmed with a single resistor. the optional internal synthesized reference feature will eliminate errors due to quadrature voltage and ensure operation with a rotor-to-stator phase shift of up to 45 degrees. applications these converters offer versatile performance at low cost for use in industrial control systems. standard selections for class k and mil-prf processing reduce lead time costs and no nre or lot charges are necessary. this part is an ideal choice for space and military applications. benefit reduce in-house risk solutions and resources with faster time to market using these off the shelf solutions. features ? accuracy to 1.3 arc minutes internal synthesized reference option (s version) - up to 45 degree phase shift correction +5 volt only option programmable: - resolution 10, 12, 14 or 16 bit - bandwidth to 1200 hz - tracking to 2300 rps standard class k and mil-prf selections available -55 to +125 c operation temperature option 16.5mm 2 j lead and ddip packages available www.ddc-web.com make sure the next card you purchase has... all trademarks are the property of their respective owners ? 2003 data device corporation
data device corporation www.ddc-web.com model rdc-19220/2, rdc-19220/2s, rdc-19229s series rev code 1 rdc-19220/2 and rdc-19220/2s mechanical drawings figure 1 alternate pin 1 identifier 0.650 sq. nom (16.51) 0.690 sq. ?005 (17.53) dimensions shown are in inches (mm) tolerance in inches pin 1 identifier .050 ?.002 (1.27) 0.010 x 45? chfr (3) (0.25) 640 .020 min .620 sq ?.010 (15.75) .016 ?.005 (.41) .155 max (3.94) pin #'s shown for reference only 0.630 ?.020 typ (16.00 ?.51) 0.500 ?.010 (12.70 ?.25) dimensions shown are in inches (mm) 0.020 x 45? (0.51) chamfer (orientation mark) 0.040 x 45? chamfer (1.02) (3 places) 0.113 (ref) (2.87) 0.065 ?.007 (1.65 ?.18) 640 0.075 ?.010 (1.91 ?.25) 17 18 28 29 39 1 0.075 ?.010 (1.91 ?.25) 0.500 ?.010 (12.70 ?.25) 0.050 typ (1.27) 7 0.650 sq ?.010 (16.51 ?.25) 0.690 ?.010 typ (17.53 ?.25) pin numbers for ref only 0.017 typ (0.43) rdc-19222 (44-pin plastic j-lead) rdc-19222 (44-pin ceramic j-lead) 2.000 0.020 (50.8 0.51) 0.590 0.010 (14.99 0.25) 0.100 0.010 typ (2.54 0.25) 0.018 0.006 typ (0.46 0.15) 0.050 0.020 typ (1.27 0.51) 0.012 0.004 typ (0.31 0.10) +0.050 0.600 - 0.020 +1.27 (15.25 ) - 0.51 dimensions shown are in inches (mm). 1 20 0.125 0.200 (3.18 25.4) 0.050 0.010 (1.27 0.25) 0.085 0.010 (2.16 0.25) 40 21 pin numbers for ref only 0.095 0.010 (2.41 0.25) rdc-19220 (40-pin ddip) ceramic package
data device corporation www.ddc-web.com model rdc-19220/2, rdc-19220/2s, rdc-19229s series rev code 1 rdc-19220/2 and rdc-19220/2s block diagram figure 2 parameter unit value frequency range hz 47-1k 1k-4k 4k-10k accuracy -xx2 min 4+1 lsb 4+1 lsb 5+1 lsb -xx3 (note 1) min 2+1 lsb 2+1 lsb 3+1 lsb repeatability lsb 1 1 2 differential linearity lsb 1 1 2 reference (+ref, -ref) type differential voltage: differential v 10 max single ended v 5 max overload v 25 continuous 100 transient frequency hz dc to 40 khz input impedance ohm 10m min //20 pf sig/ref phase shift deg 6 max signal input (+s, -s, sin, +c, -c, cos) type resolver, differential, groundbased voltage: operating vrms 2 15% overload v 25 continuous input impedance ohm 10m min //10 pf power supplies (note 5) nominal voltage v +5 -5 voltage range % 5 5 max volt. w/o v +7 -7 damage current ma 14 typ, 22 max (each) rdc-19220/2 specifications notes: 1. accuracy in lvdt mode is 0.15% + 1 lsb of full scale. 2. if the frequency is between 47hz and 1khz, then there may be 1 lsb of jitter at quadrant boundaries. 3. the maximum phase shift tolerance will degrade linearly from 45 degrees at 400 hz to 30 degrees at 60 hz. 4.-xx5 accuracy is 1minute + 1 lsb up to 5 khz max. 5. see full datasheet for +5v only option details. sin -s +s cos -c +c +5c +cap -cap -5c a gnd +5 v gnd -5 v control transformer -5 v inverter (rdc-19222 only) data latch gain demodulator 16-bit up/down counter hysteresis +ref -ref bit r 1 vco & timing - + - + ab inh em bit 1 thru bit 16 el ab cb e r s r c r v r b c bw c bw 10 vsum vel vco integrator synthesized reference (rdc1922xs only) signal inputs reference input external components resolution control digital output parameter unit value frequency range hz 47-1k 1k-4k 4k-10k accuracy -xx2 min 4+1 lsb 4+1 lsb 5+1 lsb -xx3 (note 1) min 2+1 lsb 2+1 lsb 3+1 lsb repeatability lsb 1 1 2 differential linearity lsb 1 1 2 frequency range hz 47-1k (note 4) 1k-5k accuracy -xx5 (note 1 & 4) min 1+1 lsb 1+1 lsb repeatability lsb 1 1 differential linearity lsb 1 1 reference (+ref, -ref) type differential voltage: differential v 10 max single ended v 5 max overload v 25 continuous 100 transient frequency hz dc to 10,000 input impedance ohm 10m min //20 pf sig/ref phase shift deg 45 max from 400 hz to 10 khz (note 3) signal input (+s, -s, sin, +c, -c, cos) type resolver, differential, groundbased voltage: operating vrms 2 15% overload v 25 continuous input impedance ohm 10m min //10 pf power supplies (note 5) nominal voltage v +5 -5 voltage range % 5 5 max volt. w/o v +7 -7 damage current ma 14 typ, 22 max (each) rdc-19220/2s specifications
rev 1 - 08/03 - 5m printed in the u.s.a. the information in this product brief is believed to be accurate; however, no responsibility is assumed by data device corporation for its use, and no license or rights are granted by implication or otherwise in connection therewith. specifications are subject to change without notice. 105 wilbur place, bohemia, new york, u.s.a. 11716-2482 for technical support - 1-800-ddc-5757 ext. 7382 headquarters, n.y., u.s.a. - tel: (631) 567-5600, fax: (631) 567-7358 southeast, u.s.a. - tel: (703) 450-7900, fax: (703) 450-6610 west coast, u.s.a. - tel: (714) 895-9777, fax: (714) 895-4988 united kingdom - tel: +44-(0)1635-811140, fax: +44-(0)1635-32264 ireland - tel: +353-21-341065, fax: +353-21-341568 france - tel: +33-(0)1-41-16-3424, fax: +33-(0)1-41-16-3425 germany - tel: +49-(0)8141-349-087, fax: +49-(0)8141-349-089 japan - tel: +81-(0)3-3814-7688, fax: +81-(0)3-3814-7689 data device corporation registered to iso 9001 file no. a5976 r e g i s t e r e d f i r m ? u www.ddc-web.com call ddc or visit www.ddc-web.com for a quote today: ordering information rdc-19222 - xxxx rdc-19222s - xxxx (plastic package: 44-pin j-lead) supplemental process requirements: t = tape and reel blank = none of the above accuracy: 2 = 4 minutes + 1 lsb 3 = 2 minutes + 1 lsb 5 = 1 minute + 1 lsb (maximum reference frequency = 5khz) - only s version process requirements: 0 = no burn-in 9 = solder dip, without burn-in temperature grade: 2 = -40 to +85c 3 = 0 to +70c a = -40 to +125c - only non s version rdc-1922x - xxxx rdc-1922xs - xxxx (ceramic package) supplemental process requirements: t = tape and reel (not available in 40-pin ddip package) s = pre-cap source inspection l = 100% pull test q = pre-cap source and 100% pull test k = one lot date code w = one lot date code and pre-cap source inspection y = one lot date code and 100% pull test z = one lot date code, pre-cap source inspection and 100% pull test blank = none of the above accuracy: 3 = 2 minutes + 1 lsb process requirements: 0 = standard ddc processing, without burn-in 1 = mil-prf-38534 compliant 2 = standard ddc processing, with burn-in 3 = mil-prf-38534 compliant, with pind testing 4 = mil-prf-38534 compliant, with solder dip 5 = mil-prf-38534 compliant, with pind testing, and solder dip 6 = standard ddc processing, with pind testing, and burn-in 7 = standard ddc processing, with solder dip, and burn-in 9 = standard ddc processing, with solder dip, without burn-in temperature grade / data requirements: 1 = -55 to +125c 4 = -55 to +125c, with variables test data package: 0 = 40-pin ddip, (?+5 volt only? power supply feature - not available) 2 = 44-pin j-lead rdc-19229s - 4xxx (class k processed part ordering information) mandatory process requirements selection: (one of the following must be selected) : l = 100% pull test q = pre-cap source and 100% pull test (contact factory for availability) y = one lot date code and 100% pull test z = one lot date code, pre-cap source inspection and 100% pull test (contact factory for availability) accuracy: 3 = 2 minutes + 1 lsb process requirements: (burn-in is in accordance with mil-std-883 class k) 6 = 320 hour burn-in at +125?, with pind testing 8 = 320 hour burn-in at +125?, with pind testing and solder dip temperature grade / data requirements: 4 = -55 to +125?, with variables test data package: 9 = screened to class k, 44-pin j-lead ceramic package
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