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| ENCODER TECHNOLOGY Smartcoder AU6802 High-speed, Digital-Tracking, Complete 10/12-Bit Resolver-to-Digital Converter (1) g Features Vehicle-mount quality Quality level: Transportation equipment involved with safety Operating temperature range: - 40 ~ + 125C (2) (3) High accuracy Simple to use Real time output (High tracking rate: 2000,000 rpm for 10 bit resolution Single power supply of DC5V (integrated oscillator for exciting resolver: 10/20 kHz) Small size and light weight (10 x 10mm, Pin interval: 0.65mm, 52 pins QFP, Wt.-1 gram) Built-in test (Abnormality detection) function Pulse + Serial/Parallel/Bus output (Selectable) Resolution of 10/12 bits (Selectable) Capability to set the number of poles for UVW (Selectable from x 1, 2, 3, 4) Clock input (20MHz): External CLK input/Crystal resonator /Ceramic resonator (Selectable) g Outline Resolution Conversion accuracy Settling time Tracking rate Response 2 phase pulse signal Source dissipation Operating Temperature Storage temperature Humidity Mass g Specifications 1,024 (=210) 4,096 (=212) For 1 revolution of electric angle 10.6 arc-minutes 1.5LSB As static accuracy in electric angle 0.5 ms typ. 2 ms typ. For step input of 179 in electric angle 200,000 rpm 50,000 rpm As maximum tracking rate in electric angle 0.2max./10,000 rpm 0.4max./10,000 rpm As output response delay in electric angle 256 P/T 1024 P/T DC 5V 5% 50mA Max -40 ~ + 125C -60 ~ + 150C 90% RH 1g Max Tel +44 (0)1372 377985 ENCODER TECHNOLOGY . Units 5 & 6, Leatherhead Ind. Est, Station Rd, Leatherhead Surrey, KT22 7AL, UK Fax +44 (0)1372 386973 Email: sales@encoder-technology.com Web: www.encoder-technology.com ENCODER TECHNOLOGY g Functional Block Diagram g Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Symbol Form A/1 A/1 A/O A/1 A/1 A/1 A/1 A/O A/O A/O D/1 D/1 D/1 D/1 D/1 D/1 D/O D/1 D/1 R1E R2E Vcc SINMNT S4 S2 A.GND S1 S3 COSMNT Vcc RSO COM A.GND MDSEL SYRB XSEL1 XSEL2 OUTMD SCSB DATA SCK VDD XTAL CLKIN D.GND Function EXT. EXCIT. IP (DIF.IP) ANALOGUE SOURCE SIN MONITOR SIN. IP (DIF. IP) ANALOGUE GND RES. SELECT (DIF. IP) COS. MONITOR ANALGOUE SOURCE SIG. FOR EXCIT. COMMON (2.5V) ANALOGUE GND RES. SELECT REF. SYNC. UVW P SEL OP. SEL SERIAL CSB. SERIAL DATA SERIAL LOCK DIGITAL SOURCE OSC. CONN EXTERNAL CLK INPUT Pin No. 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 Symbol Do D1 D2 D3 D4 D5 D.GND D6 D7 D8 D9 D10 D11 D.GND CSB RDB INHB(RD) PRT ERRHLD ERRST FSEL1 FSEL2 VDD YEST1 TEST2 A.GND Form D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/O (BUS) D/1 D/1 D/1 D/O (BUS) D/O D/1 D/1 D/1 D/1 D/1 - Function PRT/O12 ERRHLD/ O11 ERR/ O10 W1/ O9 V1/ O8 U1/ O7 DIGITAL GND Wch/ O6 Vch/ O5 Uch/ O4 Zch/ O3 Bch/ O2 Ach/ O1 DIGITAL GND CHIP SELECT LEAD INHIBIT PARITY ERROR HOLD ERROR RESET FREQUENCY SELECT FREQUENCY SELECT DIGITAL GND TEST MODE SET TEST MODE SET ANALOGUE GND DIGITAL GND * A/I Analog input * A/O Analog Output * D/I Digital input CAUTION 1. Pin arrangement must be referred to special drawing * D/O Digital Output |
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