rdc19220 ETC-unknow, rdc19220 Datasheet
rdc19220
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rdc19220 Summary of contents
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RDC-19220/2/4 SERIES 16-BIT MONOLITHIC TRACKING RESOLVER (LVDT)-TO-DIGITAL CONVERTERS DESCRIPTION The RDC-19220 Series of converters are low-cost, versatile, 16-bit monolithic, state-of-the-art Resolver(/LVDT)-to-Digital Converters. These single-chip converters are available in small 40-pin DDIP, 44- pin J-Lead, and 44-pin MQFP packages and offer ...
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Data Device Corporation www.ddc-web.com 2 RDC-19220 SERIES R-12/05-0 ...
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TABLE 1. RDC-19220 SERIES SPECIFICATIONS These specifications apply over the rated power supply, temperature and reference frequency ranges, and 10% signal amplitude variation and harmonic distortion. PARAMETER UNIT RESOLUTION Bits 10, 12, 14 ACCURACY Min ...
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Notes for TABLE 1:(from previous page) 1. Unused data bits are set to logic “0.” LVDT mode, bit 16 is LSB for 14-bit resolution or bit 12 is LSB for 10-bit resolution. 3. Accuracy spec below for LVDT ...
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II servo feedback loop. A lead in the frequency response is introduced to stabilize the loop and another lag at higher frequency is introduced to reduce the gain and ripple at the ...
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The BIT output which is active low is activated by an error of approximately 100 LSBs. During normal operation for step inputs or on power up, a large error can exist. 5) This device has several high impedance amplifier ...
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V. The output counts per second per volt input is there- fore 1.25 example: Calculate Rv for the maximum counting rate VEL voltage of 4 ...
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TABLE 4. MAX TRACKING RATE (MIN) IN RPS RESOLUTION RS&RCLK RC &RSET ( ) ( ) 30k 1200 288 72 30k**or open 23k 20k 1200 432 108 27 23k 15k * 576 * * Not recommended. ** ...
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MAX (8.13) 0.125 MIN 0.09 MAX (3.17) (2.29 SIDE VIEW TERMINALS 0.025 ±0.001 (6.35 ±0.03) DIAM 0.125 (3.18) MIN LENGTH SOLDER-PLATED BRASS Dimensions are shown in inches (mm INPUT 5 10 ...
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TYPICAL INPUT CONNECTIONS FIGURES 7 through 9 illustrate typical input configurations Notes: 1) Resistors selected to limit Vref peak to between 1 V and External reference LO is grounded, then R3 and R4 are not needed, and ...
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Vrms = Resolver L-L rms voltage and S3, S2 and S4, and RH and RL should be ideally twisted shielded, with the shield tied to GND at the converter. Note : For 2V ...
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Vrms = Synchro L-L rms voltage S1, S2, and S3 should be triple twisted shielded; RH and RL should be twisted shielded, In both cases the shield should be tied ...
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When it integrates to -1.25 V, the converter counts up 1 LSB and when it integrates to +1.25 V, the converter counts down 1 LSB. When a ...
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This should be used for greater than 6° phase shift between Ref and COS/SIN inputs. LVDT MODE As shown in TABLE 1 the RDC-19220 Series units can ...
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Positive overrange is indicated by code “01” and negative overrange is indicated by code “11” (see TABLE 7). INHIBIT, ENABLE, AND CB TIMING The Inhibit (INH) signal is used to freeze the digital output angle in the ...
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EL FIGURE 16A. INCREMENTAL ENCODER EMULATION RDC-19220 LSB +1 LSB CB/NRP NOTE: CMOS LOGIC IS RECOMMENDED. TTL AND TTL FIGURE 16B. FILTERED/BUFFERED ENCODER EMULATOR CIRCUIT Data Device Corporation www.ddc-web.com CB (ZI) LSB +1 LSB - ...
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TYPICAL -5 VOLT CIRCUITS Since the 40-pin DDIP RDC-19220 does not have a pinout for the -5 V inverter, it may be necessary to create from other supplies on the board. FIGURE 17 illustrates several possibili- ties. ...
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FIGURE 18. RDC-19220 (40-PIN DDIP) CERAMIC PACKAGE MECHANICAL OUTLINE Data Device Corporation www.ddc-web.com PIN NUMBERS FOR REF ONLY 0.115 ±0.010 (2.921 ±0.25 0.012 ±0.004 ...
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PIN 1 IDENTIFIER PIN #'S SHOWN FOR REFERENCE ONLY 6 0.690 SQ. ±.005 (17.53) 0.650 SQ. NOM (16.51) 0.010 x 45˚ CHFR (3) (0.25) FIGURE 19. RDC-19222 (44-PIN PLASTIC J-LEAD) MECHANICAL OUTLINE 0.075 ±0.010 (1.91 ±0.25) 0.020 x 45˚ (0.51) ...
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INCHES MM FIGURE 21. RDC-19224 (44-PIN PLASTIC MQFP) MECHANICAL OUTLINE Data Device Corporation www.ddc-web.com E1 TOP VIEW .092 0.0039 0.0098 .078 .520 + .004 ± .010 MAX MIN MAX - .002 ...
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ORDERING INFORMATION RDC-1922X-XXXX (Ceramic Package) Supplemental Process Requirements Tape and Reel (Not available in 40-pin DDIP package Pre-Cap Source Inspection L = 100% Pull Test Q = Pre-Cap Source and 100% Pull Test K = One ...
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ORDERING INFORMATION RDC-19224_ -XXXX (Plastic Package:) Supplemental Process Requirements Tape and Reel (Note 2) Blank = None of the Above Accuracy minutes + 1 LSB minutes + 1 LSB Process Requirements: 0 ...
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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. ...