16࿋Ă1 MSPS CMOS ADC AD7671* ༬Ⴀ ཾུଉ 1 MSPS(Warpఇ๕) 800 kSPS(ኟఇ๕) INLǖፌٷኵ±2.5 LSB(ଉڦײ±0.0038%) 16࿋ݴՐ୲Ă฿ஓ S/(N+D)ǖ90 dB(ۆ႙ኵLj250 kHz) THDǖ–100 dB(ۆ႙ኵLj250 kHz) ఇెۉუྷݔ ມटႠǖ±10 Vñ5 Vñ2.5 V ڇटႠǖ0 V10 VĂ0 V5 VĂ0 V2.5 V ୁࢅୁଇዖࡀ߭ ୁ၍ჽ ժႜ(8/16࿋)ࢅزႜ5 V/3 Vথ੨ SPI®/QSPI™/MICROWIRE™/DSPग़ඹ ֑ᆩ5 Vۉڇᇸࠃۉ ࠀࡼ ۆ႙ኵྺ112 mW 100 SPS้ྺ15 μW ูۉఇ๕ǖ7 μW(ፌٷኵ) ހጎǖ48ᆅগ຺ݛՌೝހጎ(LQFP) ހጎǖ48ᆅগႊೌपހጎ(LFCSP) AD7665/AD7664ڦᆅগग़ඹืपഗॲ ᆌᆩ ຕ֑ण ཚ႑ ᅏഗᅏ ೕݴဆ ᅅଐᅏഗ ࡗײ੦ ߁ຎ AD7671ᅃ16࿋Ă1 MSPSĂࢁۉዘݴದSAR႙ఇຕገ࣑ ഗ(ADC)Lj֑ᆩ5 Vۉڇᇸࠃۉăాዃᅃ߲ߛ16࿋֑ᄣ ADCĂᅃ߲ᆩᅜۙኝۉڦྷݔፆۨՔഗĂᅃ߲ాևገ ้࣑ዓĂৰۉٱୟLjᅜतزႜࢅժႜဣཥথ੨ă AD7671ঢ়ࡗᆘॲၯጚࢅඇ௬֪Ljඓԍأᅃӯୁ ֖ຕ(ሺᅮĂೋዃࢅ၍Ⴀ)܈ኮྔLjዮස႑ሯԲ(SNR)ࢅጺၿ հ฿ኈ(THD)ڪୁ֖ຕᄺࢇࢭᄲ൱ă ਏᆶෙዖ֑ᄣఇ๕ǖटߛ֑ᄣ୲ఇ๕(Warpఇ๕)Ǘ ఇ๕(ኟఇ๕)Ljᆩᇀᅴօገ࣑୲ᆌᆩǗࡼࠀگఇ๕ (ஞ؋ఇ๕)LjᆩᇀࡼࠀگᆌᆩLjഄࠀࡼᇑཾུଉװԲ૩ ࠲ဣă *ጆ૧ኟሞฤ൩ዐ REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. ࠀీ AVDD AGND REF REFGND IND(4R) INC(4R) INB(2R) INA(R) 4R DVDD DGND AD7671 OVDD 4R 2R SERIAL PORT R SWITCHED CAP DAC INGND OGND SER/PAR BUSY PARALLEL 16 INTERFACE CLOCK PD RESET D[15:0] CS RD CONTROL LOGIC AND CALIBRATION CIRCUITRY OB/2C BYTESWAP WARP IMPULSE CNVST PulSARስ ૌ႙/kSPS 100–250 500–570 ࿁ֶݴ AD7660 AD7650 AD7664 ኈມटႠ AD7663 AD7665 AD7671 ኈֶݴ AD7675 AD7676 AD7677 18࿋ AD7678 AD7679 AD7674 AD7654 AD7655 ཞօ/ܠཚڢ 800–1000 ഗॲ֑ᆩADIࠅິڦ0.6ྲߛႠీCMOS߾ᅝሰLj༵ ࠃ48ᆅগLQFPࢅ48ᆅগၭ႙LFCSPଇዖހጎLj߾ፕ࿒ݔ܈ ྷྺ–40°C+85°Că ׂঋ 1. 2. 3. 4. ! ߛཾུଉ AD7671ᅃटߛ(Warpఇ๕ူྺ1 MSPSLjኟఇ ๕ူྺ800 kSPS)ĂࢁۉምݴದĂ16࿋SAR႙ADCă ۉڇᇸࠃۉ AD7671֑ᆩ5 VۉڇᇸࠃۉLjۆ႙ࠀࡼৈ112 mWǗሞ ࡼࠀگఇ๕(ஞ؋ఇ๕)ࢅูۉఇ๕ူ๑ᆩডུཾڦگ ଉ้Ljࠀࡼ߸گă ڦओݥݴ၍Ⴀ(INL) AD7671ڦፌٷओݥݴ၍Ⴀྺ2.5 LSBLj༵ࠃ16࿋ݴՐ୲Lj ฿ஓă زႜईժႜথ੨ ీࠀܠժႜ(8࿋ई16࿋)ईມ၍زႜথ੨ದዃLj3 Vई5 V இडग़ඹă One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ֩ᆈ࿔Ӳຕ֩ڦᅳ࿔Lj൩ଌᅳዐీ٪ሞڦᇕჾፇኯईᅳٱဃLjADIփܔᅳዐ٪ሞֶڦᅴईᆯׂُิٱڦဃሴăසႴඓණඪࢆَᇕڦጚඓႠLj൩֖ADI༵ࠃ ڦፌႎᆈ࿔Ӳຕ֩ă AD7671 रຍࡀ߭ (ݥأଷᆶຫLj–40°C+85°CLjAVDD = DVDD = 5 VLjOVDD = 2.7 V5.25 V) ֖ຕ ཉॲ ፌၭኵ ݴՐ୲ ఇె ۉუྷݔ ࠌఇۉუ ఇెCMRR ፆੇ ཾུ܈ ྜኝዜ ཾུ୲ ገ࣑क़้߰क़ ྜኝዜ ཾུ୲ ྜኝዜ ཾུ୲ ୁ܈ ओݥݴ၍Ⴀဃֶ ฿ஓ ሂദሯำ ມटႠଭဃֶ2LjTMINTMAX ມटႠଉײဃֶ2LjTMINTMAX ڇटႠଭဃֶ2LjTMINTMAX ڇटႠଉײဃֶ2LjTMINTMAX ۉᇸଳ௺܈ ୁ܈ ႑ሯԲ ሗොۯༀྷݔ ጺၿհ฿ኈ ႑భԲ VIND – VINGND VINGND fIN = 100 kHz Warpఇ๕ Warpఇ๕ Warpఇ๕ ኟఇ๕ ኟఇ๕ ஞ؋ఇ๕ ஞ؋ఇ๕ ۆ႙ኵ ࿋ ±4 REFLj0 V4 REFLj±2 REF(९I) –0.1 +0.5 74 ९I V dB 1 0 0 1 1000 1 1.25 800 1.5 666 μs kSPS ms μs kSPS μs kSPS +2.5 LSB1 ࿋ LSB LSB 0.7 ± 5 VྷݔLj ኟईஞ؋ఇ๕ ഄྷݔईఇ๕ –45 +45 –0.1 –0.38 –0.18 –0.76 +0.1 +0.38 +0.18 +0.76 AVDD = 5 V ± 5% fIN = 20 kHz fIN = 250 kHz fIN = 250 kHz fIN = 20 kHz fIN = 250 kHz fIN = 20 kHz fIN = 250 kHzLj–60 dB 89 88.5 –3 dBټ ଉײሂ एጚۉუ ྔևएጚۉუྷݔ ྔևएጚࡼᆩୁۉ 1 MSPSཾུଉ ±9.5 FSRڦ% FSRڦ% FSRڦ% FSRڦ% LSB 90 90 100 –100 –100 90 30 9.6 dB3 dB dB dB dB dB dB MHz –96 2 5 250 2.3 ຕጴ இडۉೝ VIL VIH IIL IIH 2.5 200 –0.3 +2.0 –1 –1 ຕጴ ຕ߭๕ ୁ၍ჽ ڇ࿋ 16 –2.5 16 ֑ᄣۯༀႠీ ০ჽ ০۶ۯ ຨༀၚᆌ VOL VOH ፌٷኵ ns ps rms ns AVDD – 1.85 V μA +0.8 DVDD + 0.3 +1 +1 V V μA μA ժႜईزႜ16࿋ ገ࣑ྜࢫׯ૬न༵ࠃገ࣑ࡕ ISINK = 1.6 mA ISOURCE = –570 mA Rev. B | Page 2 of 24 0.4 OVDD – 0.6 V V AD7671 ֖ຕ ཉॲ ۉᇸ ۨܮႠీ AVDD DVDD OVDD ߾ፕୁۉ5 AVDD DVDD6 OVDD6 ࠀࡼ6, 7 ፌၭኵ ۆ႙ኵ ፌٷኵ ڇ࿋ 4 4 2 5 5 5.25 5.25 5.254 V V V 95 125 7 mA mA μA mW μW mW μW +85 1 MSPSཾུଉ 15 7.2 37 84 15 112 666 kSPSཾུଉ8 100 SPSཾུଉ8 1 MSPSཾུଉ5 ูۉఇ๕9 ࿒ྷݔ܈10 ۨܮႠీ TMINTMAX –40 ጀ 1 LSB๖ፌگᆶၳ࿋ă±5 V้ྷݔLj1 LSB = 152.588 μVă 2 ֖९༬Ⴀۨᅭևݴăኄၵ༬ႠփԈઔྔևएጚۉუڦဃֶࠋ၅ă 3 ᆶᅜdBྺڇ࿋ڦ༬Ⴀ֖ଉײFSăݥأଷᆶຫLj֪ཉॲྺ႑ࡽԲଉگײ0.5 dBă 4 ፌٷኵྺ5.25 VࢅDVDD + 0.3 Vܾኁዐڦডၭኁă 5 :DUSᓣDŽ 6 ሞժႜ܁ൽఇ๕ူႜ֪ă 7 ሞ0 V5 VࢅྷݔVIN – VINGND = 0 Vူႜ֪ă֖९ࠀࡼևݴă 8 㛝ކᓣDŽ 9 OVDDگᇀDVDD + 0.3 VLjᆶຕጴഽڟDVDDईDGNDă 10 සႴ߸࿒ྷݔ܈Lj൩ဣADIࠅິă ࡀ߭සᆶՎ߸ທփଷႜཚኪă I. ఇెದዃ ۉუྷݔ ±4 REF2 ±2 REF ±REF 0 V to 4 REF 0 V to 2 REF 0 V to REF IND(4R) INC(4R) INB(2R) INA(R) ፆੇ1 V IN V IN V IN V IN V IN V IN INGND V IN V IN V IN V IN V IN INGND INGND V IN INGND V IN V IN REF REF REF INGND INGND V IN 1.63 kW 948 W 711 W 948 W 711 W ጀ3 ጀ 1 ۆ႙ఇెፆੇă 2 REF = 3 V้LjሞُాྷݔLjᆌ၌ሞ–11 V+12 Vă 3 ܔᇀُྷݔLjྺߛፆੇă ้Ⴞࡀ߭ (ݥأଷᆶຫLj–40°C+85°CLjAVDD = DVDD = 5 VLjOVDD = 2.7 V5.25 V) ֖ຕ ֖11ࢅ12 ገ࣑ஞ؋܈ ገ࣑क़้߰क़ (Warpఇ๕/ኟఇ๕/ஞ؋ఇ๕) CNVST ۉگೝڟBUSYߛۉೝჽ้क़ BUSYߛۉೝLjገ࣑ኮࢫዷऐزႜ܁ൽఇ๕ڦྔأᆶఇ๕ (Warpఇ๕/ኟఇ๕/ஞ؋ఇ๕) ০ჽ ገ࣑ຐڟBUSYۉگೝჽ้क़ ገ้࣑क़(Warpఇ๕/ኟఇ๕/ஞ؋ఇ๕) ֑ण้क़ RESETஞ؋܈ ࡽޙ ፌၭኵ t1 t2 5 1/1.25/1.5 ۆ႙ኵ t3 t4 t5 t6 t7 t8 t9 Rev. B | Page 3 of 24 ፌٷኵ ڇ࿋ ጀ1 ns μs 30 0.75/1/1.25 ns μs 0.75/1/1.25 ns ns μs ns ns 2 10 250 10 AD7671 ้Ⴞࡀ߭ (Ⴤ) ࡽޙ ֖ຕ ֖13Ă14Ă15Ă16(ժႜথ੨ఇ๕) CNVSTۉگೝڟDATAᆶၳჽ้क़ (Warpఇ๕/ኟఇ๕/ஞ؋ఇ๕) DATAᆶၳڟBUSYۉگೝჽ้क़ ጺ၍ݡ࿚൩൱ڟDATAᆶၳ ጺ၍้ݣक़ ፌၭኵ ۆ႙ኵ t10 ڇ࿋ 0.75/1/1.25 μs 40 15 ns ns ns 20 t11 t12 t13 ֖17Ă18(ዷऐزႜথ੨ఇ๕) CSۉگೝڟSYNCᆶၳჽ้क़ CSۉگೝాڟևSCLKᆶၳჽ้क़ CSۉگೝڟSDOUTჽ้क़ CNVSTۉگೝڟSYNCჽ้क़(ገ࣑क़܁ൽ) (Warpఇ๕/ኟఇ๕/ஞ؋ఇ๕) SYNCዃ࿋ڟSCLKڼᅃ߲ᄂჽ้क़3 ాևSCLKዜ3 ాևSCLKߛۉೝ3 ాևSCLKۉگೝ3 SDOUTᆶၳยዃ้क़3 SDOUTᆶၳԍ้क़3 SCLKፌࢫᅃ߲ᄂڟSYNCჽ้क़3 CSߛۉೝڟSYNCߛፆༀ CSߛۉೝాڟևSCLKߛፆༀ CSߛۉೝڟSDOUTߛፆༀ BUSYߛۉೝ(ገ࣑ኮࢫዷऐزႜ܁ൽ)3 CNVSTۉگೝڟSYNCዃ࿋ჽ้क़ (Warpఇ๕/ኟఇ๕/ஞ؋ఇ๕) ገ࣑ኮࢫዷऐزႜ܁ൽ SYNCأዃ࿋ڟBUSYۉگೝჽ้क़ ፌٷኵ 5 2 t14 t15 t16 t17 10 10 10 25/275/525 t18 t19 t20 t21 t22 t23 t24 t25 t26 t27 t28 t29 4 25 15 9. 5 4. 5 2 3 ns ns ns ns ns ns 40 10 10 10 t30 ֖19Ă21(ٗऐزႜথ੨ఇ๕) ྔևSCLKยዃ้क़ ྔևSCLKᆶၳᄂڟSDOUTჽ้क़ SDINยዃ้क़ SDINԍ้क़ ྔևSCLKዜ ྔևSCLKߛۉೝ ྔևSCLKۉگೝ ns ns ns ns ९II 0.75/1/1.25 ns ns ns μs μs 25 ns 5 3 5 5 25 10 10 t31 t32 t33 t34 t35 t36 t37 ns ns ns ns ns ns ns 16 ጀ 1 ৈWarpఇ๕ူLjገ࣑क़้߰क़ፌྺ1 msǗഄఇ๕ူፌ้क़ᄲ൱ă 2 زႜথ੨ఇ๕ူLjSYNCĂSCLKࢅSDOUT้Ⴞሞፌٷ10 pFڦሜCLူႜۨᅭǗഄ൧ူLjሜፌٷኵྺ60 pFă 3 ገ࣑क़زႜዷऐ܁ൽఇ๕ăገ࣑ኮࢫዷऐ܁ൽఇ๕९IIă ࡀ߭සᆶՎ߸ທփଷႜཚኪă II. ገ࣑ኮࢫዷऐ܁ൽఇ๕زڦႜ้ዓ้Ⴞ DIVSCLK[1] DIVSCLK[0] SYNCڟSCLKڼᅃ߲ᄂჽ้क़ፌၭኵ ాևSCLKዜፌၭኵ ాևSCLKዜፌٷኵ ాևSCLKߛۉೝፌၭኵ ాևSCLKۉگೝፌၭኵ SDOUTᆶၳยዃ้क़ፌၭኵ SDOUTᆶၳԍ้क़ፌၭኵ SCLKፌࢫᅃ߲ᄂڟSYNCჽ้क़ፌၭኵ BUSYߛۉೝ܈ፌٷኵ(Warpఇ๕) BUSYߛۉೝ܈ፌٷኵ(ኟఇ๕) BUSYߛۉೝ܈ፌٷኵ(ஞ؋ఇ๕) t18 t19 t19 t20 t21 t22 t23 t24 t28 t28 t28 0 0 0 1 1 0 4 25 40 15 9 4.5 2 3 1.5 1.75 2 20 50 70 25 24 22 4 60 2 2.25 2.5 20 100 140 50 49 22 30 140 3 3.25 3.5 ࡀ߭සᆶՎ߸ທփଷႜཚኪă Rev. B | Page 4 of 24 1 1 20 200 280 100 99 22 89 300 5.25 5.5 5.75 ڇ࿋ ns ns ns ns ns ns ns ns μs μs μs AD7671 TO OUTPUT PIN REFGND REF INGND INB(2R) INA(R) NC NC NC NC 48 47 46 45 44 43 42 41 40 39 38 37 AGND 1 AVDD 2 PIN 1 IDENTIFIER NC 3 BYTESWAP 4 OB/2C 5 WARP 6 AD7671 AGND 35 34 CNVST PD 33 RESET 32 CS RD DGND 29 BUSY 30 SER/PAR 8 D0 9 D1 10 D2/DIVSCLK[0] 11 D3/DIVSCLK[1] 12 28 D15 27 D14 26 D13 D12 25 D11/RDERROR D9/SCLK D10/SYNC DVDD DGND D8/SDOUT OVDD D7/RDC/SDIN OGND 13 14 15 16 17 18 19 20 21 22 23 24 D4/EXT/INT D5/INVSYNC D6/INVSCLK NC = NO CONNECT 36 31 TOP VIEW (Not to Scale) IMPULSE 7 ጀ 1 ጀᅪLjגฉຎਨܔፌۨܮٷኵీࣷڞዂഗॲᆦ৳Ⴀ࣋ăኄኻۨܮᆌ૰ኵLj փภतഗॲሞኄၵईඪࢆഄཉॲူגԨरຍࡀ߭ኸՔీࠀڦႠ֡ፕă ሞਨܔፌۨܮٷኵཉॲူ߾ፕࣷᆖၚഗॲڦ੍Ⴀă 2 ֖९ఇెևݴă 3 ኍܔഘዐڦഗॲܸჾǖ48ᆅগLQFPǖ θJA = 91°C/W, θJC = 30°C/W. 4 ኍܔഘዐڦഗॲܸჾǖ48ᆅগLFCSPǖ θJA = 26°C/W. 1.6mA IND(4R) INC(4R) ᆅগದዃ ST-48ࢅCP-48 ఇె IND2, INC2, INB2 .............................................. –11 V+30 V INA, REF, INGND, REFGND, AGND ........................................................... – 0.3 VAVDD + 0.3 V ۉںუֶ AGND, DGND, OGND ............................................... ±0.3 V ۉᇸۉუ AVDD, DVDD, OVDD ................................... –0.3 V+7 V AVDDDVDDLjAVDDOVDD ............................. ±7 V DVDDOVDD ............................................... –0.3 V+7 V ! ຕጴ ......................................... –0.3 VDVDD + 0.3 V ాևࠀࡼ3 ............................................................................ 700 mW ాևࠀࡼ4 ................................................................................. 2.5 W ࿒ ........................................................................................... 150°C ٪ئ࿒ ྷݔ܈....................................................... –65°C+150°C ᆅগ࿒ྷݔ܈ (ࡰথLj10௱)....................................................................300°C NC ਨܔፌۨܮٷኵ1 IOL 1.4V CL 60pF* 2V 500 A IOH 0.8V tDELAY * IN SERIAL INTERFACE MODES, THE SYNC, SCLK, AND SDOUT TIMINGS ARE DEFINED WITH A MAXIMUM LOAD CL OF 10pF; OTHERWISE, THE LOAD IS 60pF MAXIMUM. tDELAY 2V 0.8V 1. ຕጴথ੨้ႾڦሜۉୟLj SDOUTĂSYNCĂSCLKLjCL = 10 pF 2V 0.8V 2. ᆩᇀඓ้ۨႾڦएጚۉೝ ۩ࠔኸళ ႙ࡽ ࿒ྷݔ܈ ࿒!ྷݔ܈ ހጎၜ AD7671AST AD7671ASTRL AD7671ACP AD7671ACPRL EVAL-AD7671CB1 EVAL-CONTROL BRD22 –40°C+85°C –40°C+85°C –40°C+85°C –40°C+85°C ຺ݛՌೝހጎ(LQFP) ຺ݛՌೝހጎ(LQFP) ႊೌपހጎ(LFCSP) ႊೌपހጎ(LFCSP) ೠࠚӱ ੦ഗӱ ST-48 ST-48 CP-48 CP-48 ጀ 1 ُӱ܀ڇᆩፕೠࠚӱLjईᇑEVAL-CONTROL BRD2ದࢇᆩᇀೠࠚ/ᄇ๖ă 2 ُӱሎႹPCܔᆶټCBՔኾࢫጘڦADIೠࠚӱႜ੦ժᇑኮཚ႑ă য়ߢ ESD(ৢߌ௺)ۉݣۉഗॲăৢࢁۉۉඹᅟሞට༹ࢅ֪ยԢฉેओLjߛٳ4000 VLj ժీሞுᆶִਥڦ൧ူۉݣă࠶AD7671ਏᆶጆᆶESDԍࢺۉୟLjڍሞᇜీߛڟ ଉৢ้ۉݣۉLjీࣷ݀ิᆦ৳Ⴀഗॲ࣋ăᅺُLjॺᅱ֑ൽڦړESDٯݔݞแLj ᅜՆ௨ഗॲႠీူইईࠀీෟ฿ă Rev. B | Page 5 of 24 AD7671 ᆅগࠀీ௮ຎ ᆅগՊࡽ ᆅগఁ ૌ႙ ௮ຎ 1 2 3, 44–48 4 AGND AVDD NC BYTESWAP P P ఇెۉᇸںᆅগă 5 OB/2C DI 6 WARP DI ఇ๕ስăړྺߛۉೝIMPULSEྺۉگೝ้Ljُስፌڦఇ๕Lj ᅜํ၄ፌߛཾུଉǗྺକԍኤۨܮڟٳፌߛ܈LjՂႷ֑ᆩፌၭገ࣑୲ă ړྺۉگೝ้Ljஃ֑ޏᆩፌၭገ࣑୲Lj๔ዕీԍፌߛ܈ă 7 IMPULSE DI 8 SER/PAR DI 9, 10 D[0:1] DO 11, 12 D[2:3]ई DI/O ఇ๕ስăړྺߛۉೝWARPྺۉگೝ้Ljُስࡼࠀگఇ๕ă ُఇ๕ူLjࠀࡼᇑ֑ᄣ୲ٷዂװԲ૩࠲ဣă زႜ/ժႜስăۉگೝ้Ljስժႜ܋੨Ǘߛۉೝ้Lj ስزႜথ੨ఇ๕Ljຕጺ၍ڦᅃၵ࿋ᆩፕزႜ܋੨ă ժႜ܋੨ຕጺ၍ڦ࿋0ࢅ࿋1ăړSER/PARྺߛۉೝ้Lj ኄၵتᇀߛፆༀă ړSER/PARྺۉگೝ้Ljኄၵᆩፕժႜ܋੨ຕጺ၍ڦ࿋2ࢅ࿋3ă D[4] ईEXT/INT DI/O ړSER/PARྺߛۉೝĂEXT/INTྺۉگೝRDC/SDINྺۉگೝ้Lj ስገ࣑ኮࢫزႜዷऐ܁ൽఇ๕ăኄၵزႜ܋੨ڦᅃևݴLj Ⴔᄲ้ᆩᇀ३ደ߲ຕాڦևزႜ้ዓă ሞഄزႜఇ๕ူLjኄၵᆅগྺߛፆༀă ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋4ă 14 D[5] ईINVSYNC DI/O 15 D[6] ईINVSCLK DI/O 16 D[7] ईRDC/SDIN DI/O ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋7ă 17 OGND P ړSER/PARྺߛۉೝ้Ljُ(زႜ܋੨ڦᅃև)ݴᆩፕྔևຕई܁ൽఇ๕ስLj ਏ༹ൽਦᇀEXT/INTڦጒༀă ړEXT/INTྺߛۉೝ้LjRDC/SDINᅜᆩፕຕLj ᅜॽଇ߲ई߸ܠADCڦገ࣑ࡕᅜਅࢾ૾ݛ๕دڇڟᅃSDOUT၍ୟฉă ܁ൽႾଚഔࢫۯჽ16߲SCLKዜLjSDINฉڦຕጴຕۉೝཚࡗDATAă ړEXT/INTྺۉگೝ้LjRDC/SDINᆩᇀስ܁ൽఇ๕ăړRDC/SDINྺߛۉೝ้Lj മᅃຕሞገ࣑क़ཚࡗSDOUTăړRDC/SDINྺۉگೝ้Lj ຕኻᆶڟڪገ࣑ྜీ֍ࢫׯཚࡗSDOUTă /থ੨ຕጴۉᇸںă 18 OVDD P /থ੨ຕጴۉᇸăُᆅগڦՔۉᇸᇑዷऐথ੨ۉᇸ၎ཞ(5 Vई3 V)ă 19 20 DVDD DGND P P ຕጴۉᇸăՔኵ5 Vă փথă DIVSCLK[0:1] 13 ఇెۉᇸᆅগăՔኵ5 Vă ժႜఇ๕ስ(8/16࿋)ăۉگೝ้LjLSBཚࡗD[7:0]LjMSBཚࡗD[15:8]ă ߛۉೝ้LjLSBཚࡗD[15:8]LjMSBཚࡗD[7:0]ă Քጚܾ/ܾցஓăOB/2Cྺߛۉೝ้LjຕጴྺՔጚܾǗ ۉگೝ้LjMSBݒገLjڞዂഄాևᅎ࿋स٪ഗܾցஓă ړSER/PARྺߛۉೝ้Ljُ(زႜ܋੨ڦᅃև)ݴᆩፕຕጴስLj ᅜስాևईྔևຕ้ዓ(ݴ՚ྺዷऐఇ๕ࢅٗऐఇ๕)ă ړEXT/INTྺۉگೝ้LjSCLKስాև้ዓăړEXT/INTยྺஇडߛۉೝ้Lj ຕᇑথڟSCLKྔڦև้ዓ႑ࡽཞօLjྔև้ዓᆯCSཚă ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋5ă ړSER/PARྺߛۉೝ้Ljُ(زႜ܋੨ڦᅃև)ݴᆩᇀስSYNC႑ࡽڦᆶၳጒༀă ۉگೝ้LjSYNCྺߛۉೝᆶၳăߛۉೝ้LjSYNCྺۉگೝᆶၳă ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋6ă ړSER/PARྺߛۉೝ้Ljُ(زႜ܋੨ڦᅃև)ݴᆩᇀ๑SCLK႑ࡽݒ၎ă ሞዷऐࢅٗऐఇ๕ူᆶၳă ຕጴۉᇸںă Rev. B | Page 6 of 24 AD7671 ᆅগࠀీ௮ຎ(Ⴤ) ᆅগՊࡽ ᆅগఁ ૌ႙ ௮ຎ 21 DO ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋8ă ړSER/PARྺߛۉೝ้Ljُز(ႜ܋੨ڦᅃև)ݴᆩፕᇑSCLKཞօزڦႜຕă ገ࣑ࡕ٪ئሞೌాस٪ഗዐăAD7671ᅜMSBᆫံݛ๕ٗాևᅎ࿋स٪ഗ༵ࠃገ࣑ࡕă ຕ߭๕ᆯOB/2Cڦஇडۉೝਦۨăزႜఇ๕ူLjړEXT/INTྺۉگೝ้Lj SDOUTሞSCLKڦଇ߲ᄂฉᆶၳă D[8] ईSDOUT زႜఇ๕ူLjړEXT/INTྺߛۉೝ้ǖ සࡕINVSCLKྺۉگೝLjሶSDOUTሞSCLKฉืᄂ߸ႎLjժሞူᅃ߲ူইᄂᆶၳă සࡕINVSCLKྺߛۉೝLjሶSDOUTሞSCLKူইᄂ߸ႎLjժሞူᅃ߲ฉืᄂᆶၳă ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋9ă ړSER/PARྺߛۉೝ้Ljُᆅগ(زႜ܋੨ڦᅃև)ݴᆩፕزႜຕ้ዓईLj ਏ༹ൽਦᇀEXT/INTᆅগڦஇडጒༀăSDOUT߸ႎڦᆶၳᄂൽਦᇀINVSCLKᆅগڦஇडጒༀă 22 D[9] ईSCLK DI/O 23 D[10] ईSYNC DO ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋10ă ړSER/PARྺߛۉೝ้Ljُز(ႜ܋੨ڦᅃև)ݴᆩፕຕጴኡཞօ႑ࡽLj ದࢇాևຕ้ዓ๑ᆩ(EXT/INT=இडۉگೝ)ăړഔ܁ۯൽႾଚINVSYNCྺۉگೝ้Lj SYNCՎྺߛۉೝLjժሞSDOUTᆶၳक़ԍۉߛೝăړഔ܁ۯൽႾଚINVSYNCྺߛۉೝ้Lj SYNCՎྺۉگೝLjժሞSDOUTᆶၳक़ԍۉگೝă 24 D[11] ईRDERROR DO ړSER/PARྺۉگೝ้Ljُᆩፕժႜ܋੨ຕጺ၍ڦ࿋11ă ړSER/PARྺߛۉೝEXT/INTྺߛۉೝ้Ljُز(ႜ܋੨ڦᅃև)ݴᆩፕ࿄ྜ܁ׯൽٱဃՔኾă ሞٗऐఇ๕ူLjසࡕຕ܁ൽᅙਸ๔Ljڍ࿄ሞူᅃ߲ገ࣑ྜׯྜ้ׯLj ሶړമຕ۪฿LjRDERRORՎྺߛۉೝă 25–28 D[12:15] DO ժႜ܋੨ຕጺ၍ڦ࿋12࿋15ăړSER/PARྺߛۉೝ้Ljኄၵتᇀߛፆༀă 29 BUSY DO ݏăਸ๔ገ้࣑LjُᆅগՎྺߛۉೝLjժԍۉߛೝڟገ࣑ྜׯLj ժຕԥ٪ాೌڟᅎ࿋स٪ഗăBUSYူڦইᄂᅜᆩፕຕ৽Ⴣ้ዓ႑ࡽă 30 31 32 DGND RD CS P DI DI 33 RESET DI 34 PD DI ՂႷথຕጴںă ܁ൽຕăړCSࢅRDྺۉگೝ้Lj๑ీথ੨ժႜईزႜጺ၍ă ೌăړCSࢅRDྺۉگೝ้Lj๑ీথ੨ժႜईزႜጺ၍ă CS࣏ᆩᇀཚྔևزႜ้ዓă ް࿋ăยྺஇडߛۉೝ้LjAD7671ް࿋Ljړമገ࣑(සᆶ)ዐኹăසࡕփ๑ᆩLj ُᆅগᅜথDGNDă ูۉăยྺஇडߛۉೝ้LjࠀࡼইگLjړമገ࣑ྜ্ࢫׯኹገ࣑ă 35 CNVST DI ਸ๔ገ࣑ăCNVSTฉืᄂ๑ాև֑ᄣԍഗԍጒༀLjժഔۯገ࣑ă ሞஞ؋ఇ๕ူ(IMPULSEྺߛۉೝWARPྺۉگೝ)Lj֑ړण(t8)ྜ้ׯLj සࡕCNVSTتᇀۉگೝጒༀLjሶాև֑ᄣԍഗԍጒༀLjገ࣑૬नਸ๔ă 36 37 38 39 40, 41, 42, 43 AGND REF REFGND INGND INA, INB, INC, IND P AI AI P AI ՂႷথఇెںă एጚۉუă एጚఇెںă ఇెںă ఇెăྷݔದዃ९Iă ጀ AI = ఇె DI = ຕጴ DI/O = ມၠຕጴ DO = ຕጴ P = ۉᇸ Rev. B | Page 7 of 24 AD7671 ༬Ⴀۨᅭ ᆶၳ࿋ຕ(ENOB) ओݥݴ၍Ⴀ(INL) ၍Ⴀဃֶኸ߲ஓᇑᅃཉٗ“ଉ“ڟࣃ”ײኟଉ”ײ ڦ၍ڦೋֶăଉۅײ၄ሞڼᅃ߲ஓገ࣑ኮമڦ1/2 LSBتăኟଉۨײᅭྺגፌࢫᅃ߲ஓገ࣑1/2 LSBڦᅃ߲ ۉೝăٗ߳ஓڦዐڟۅ၍ڦਐनྺೋֶă ྲݥݴ၍Ⴀ(DNL) ሞᅃ߲ၙADCዐLjஓገ࣑၎ਐ1 LSBăྲݥݴ၍Ⴀኸํ ाኵᇑُၙኵڦፌٷೋֶăঢ়ᆩԍኤ฿ஓݴڦՐ୲ ઠࡀۨኄᅃ༬Ⴀă ଉײဃֶ ፌࢫᅃ߲ஓገ࣑(ܾցஓՊஓ้ྺٗ011 . . . 10ڟ011 . . . 11)ᆌܔᆌᇀᅃ߲ԲՔଉگײ1 1/2 LSBڦఇెۉუ(±2.5 V ྺ้ྷݔ2.499886 V)ăଉײဃֶኸፌࢫᅃ߲ஓገ࣑ํڦ ाۉೝᇑၙۉೝڦೋֶă ມटႠଭဃֶ ၙዐक़ۉೝۉუ(0 V)ᇑׂิዐक़ۉೝஓํڦाۉ უኮֶă ڇटႠଭဃֶ ሞڇटႠఇ๕ူLjڼᅃ߲ஓገ࣑ᆌܔᆌᇀᅃ߲Բఇెߛں 1/2 LSBۉڦೝăڇटႠଭဃֶኸํाገ࣑ᇑڦۅೋֶă ሗොۯༀ(ྷݔSFDR) ૧ᆩኟ၀հ֪ݴڦڥՐ୲ăᇑ႑భԲ၎࠲Ljူ๕ߴ କܾኁ࠲ڦဣǖ ENOB = (S/[N + D]dB – 1.76)/6.02) ᆩ࿋๖ă ጺၿհ฿ኈ(THD) മ߲ၿհڦݴׯࢅߵݛᇑଉײ႑ࡽڦߵݛኵ ኮԲLjᆩݴԞ(dB)๖ă ႑ሯԲ(SNR) ํा႑ࡽڦߵݛኵᇑలઊຯ༬ೕ୲ᅜူأၿհࢅ ୁྔڦᆶഄೕڦݴׯࢅߵݛኮԲLjᆩݴԞ(dB) ๖ă ႑భԲ(S/[N+D]) ํा႑ࡽڦߵݛኵᇑలઊຯ༬ೕ୲ᅜူԈઔၿհڍ ୁڦྔأᆶഄೕڦݴׯࢅߵݛኮԲLjᆩݴԞ (dB)๖ă ০ჽ ᆩᇀ࢚ଉ֑णႠీLjኸٗCNVSTူڦইᄂڟ႑ࡽ ႜገ้࣑ڦक़ă ຨༀၚᆌ ܔAD7671ڦᆌᆩଉײሂࡧຕኮࢫLjAD7671ํ၄ ۨܮ܈Ⴔ้ڦक़ă ႑ࡽᇑރኵሗො႑ࡽڦޗߵݛኵኮֶLjᆩݴԞ(dB) ๖ă Rev. B | Page 8 of 24 ۆ႙߾ፕ༬Ⴀ–AD7671 60 2.5 2.0 50 1.5 NUMBER OF UNITS INL – LSB 1.0 0.5 0 –0.5 –1.0 –1.5 40 30 20 10 –2.0 0 –3.0 –2.5 0 16384 32768 49152 65536 –2.7 –2.4 CODE –2.1 –1.8 –1.5 –1.2 –0.9 –0.6 –0.3 NEGATIVE INL – LSB TPC 1. ओݥݴ၍Ⴀᇑஓ࠲ڦဣ TPC 4. ۆ႙INLݴք(314ڇ࿋) 8000 1.75 1.50 7029 7039 7000 1.25 6000 1.00 COUNTS 5000 0.50 0.25 4000 0 3000 –0.25 2000 1297 –0.50 986 1000 –0.75 –1.00 0 0 16384 32768 CODE 49152 65536 0 0 17 25 0 0 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8005 CODE IN HEXA TPC 2. ྲݥݴ၍Ⴀᇑஓ࠲ڦဣ TPC 5. ᅃ߲ୁڦ16,384ْገ࣑ڦ(ݛஓገ࣑) 10000 60 9503 9000 50 8000 7000 40 COUNTS NUMBER OF UNITS DNL – LSB 0.75 30 20 6000 5000 4000 3296 3344 3000 2000 10 1000 0 0 0 2 132 106 1 0 0 0 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004 8005 8006 3.0 CODE IN HEXA POSITIVE INL – LSB TPC 3. ۆ႙ኟINLݴք(314ڇ࿋) TPC 6. ᅃ߲ୁڦ16,384ْገ࣑ڦ(ݛஓዐ႐) Rev. B | Page 9 of 24 AD7671 0 –40 93 –60 –100 –80 –100 THD – dB THD SNR – dB AMPLITUDE – dB of Full Scale –20 –98 96 FS = 1MSPS fIN = 45.5322kHz SNR = 89.45dB THD = –100.05dB SFDR = 100.49dB SINAD = 89.1dB 90 SNR –120 –102 87 –140 –160 0 100 200 300 FREQUENCY – kHz 400 84 –55 500 16.0 15.5 45 65 85 105 –104 125 110 SNR SINAD 14.5 85 ENOB 80 14.0 ENOB – Bits 15.0 90 100 –75 95 –80 90 –85 85 –90 THD –100 13.0 1000 100 FREQUENCY – kHz 75 70 65 THIRD HARMONIC –110 70 80 SECOND HARMONIC –95 –105 13.5 75 105 SFDR –70 THD, HARMONICS – dB 95 SNR AND S/[N+D] – dB 25 –60 –65 –115 1 10 60 1000 100 FREQUENCY – kHz TPC 8. ႑ሯԲĂ႑భԲࢅᆶၳ࿋ຕᇑೕ୲࠲ڦဣ TPC 11. ጺၿհ฿ኈĂၿհࢅሗොۯༀྷݔᇑೕ୲࠲ڦဣ –60 92 –70 –80 THD, HARMONICS – dB SNR (REFERRED TO FULL SCALE) – dB 5 TPC 10. ႑ሯԲĂጺၿհ฿ኈᇑ࿒࠲ڦ܈ဣ 100 10 –15 TEMPERATURE – C TPC 7. FFT 1 –35 90 88 –90 –100 SECOND HARMONIC –110 THD –120 –130 THIRD HARMONIC –140 86 –80 –70 –60 –50 –40 –30 INPUT LEVEL – dB SFDR – dB –180 –20 –10 0 –150 –60 –50 –40 –30 –20 –10 INPUT LEVEL – dB TPC 12. ጺၿհ฿ኈĂၿհᇑۉೝ࠲ڦဣ TPC 9. ႑ሯԲᇑۉೝ࠲ڦဣ Rev. B | Page 10 of 24 0 AD7671 50 POWER-DOWN OPERATING CURRENTS – nA 1000 t12 DELAY – ns 40 30 20 10 900 800 700 DVDD 600 500 400 300 50 100 150 AVDD 100 0 –55 0 0 OVDD 200 200 –35 –15 5 25 45 TEMPERATURE – C CL – pF TPC 13. ۆ႙ჽ้क़ᇑሜۉඹCL ࠲ڦဣ 85 105 TPC 15. ู߾ۉፕୁۉᇑ࿒࠲ڦ܈ဣ 100000 10 AVDD, WARP/NORMAL 8 10000 6 DVDD, WARP/NORMAL 1000 4 100 –FS OFFSET 2 LSB OPERATING CURRENTS – A 65 AVDD, IMPULSE 10 0 +FS –2 0 DVDD, IMPULSE –4 0.1 –6 OVDD, ALL MODES 0.01 –8 –10 0.001 1 10 100 1000 10000 100000 1000000 –55 –35 –15 5 25 45 65 85 105 125 TEMPERATURE – C SAMPLING RATE – SPS TPC 14. ߾ፕୁۉᇑ֑ᄣ୲࠲ڦဣ TPC 16. +FSĂ฿ۙࢅ–FSᇑ࿒࠲ڦ܈ဣ ۉୟ႑တ AD7671ᅃĂࡼࠀگĂۉڇᇸĂ16࿋ఇຕገ࣑ ഗ(ADC)Lj༵ࠃܠዖ߾ፕఇ๕LjᅜՍߵᆌᆩᆫࣅႠీă ሞWarpఇ๕ူLjAD7671௱ీࠕገ࣑1,000,000߲ᄣԨ(1 MSPS)ă AD7671ྺᆩࢽ༵ࠃೌా֑ᄣԍĂደْৎ႙ADCLjு ᆶඪࢆୁ၍ჽLjਾܠୟްᆩܠཚڢᆌᆩڦၙኮ ă ᅜ߾ፕሞມटႠࢅڇटႠଇዖྷݔLjਏ༹ཚࡗ߀ ՎഄۉፆۨՔഗڦথႜስă AD7671ᅜ֑ᆩ5 VۉڇᇸࠃۉLjժᅜᇑ5 Vई3 Vຕጴ இडথ੨ă֑ᆩ48ᆅগLQFPހጎई48ᆅগLFCSPހጎLj বูक़LjದዃଳऄLj༵ࠃزႜईժႜথ੨ăAD7671 AD7665ࢅAD7664ڦᆅগग़ඹืपׂă Rev. B | Page 11 of 24 AD7671 IND INC 4R 4R REF REFGND 2R MSB LSB INB 32,768C 16,384C INA 4C 2C C SWA SWITCHES CONTROL C R BUSY COMP INGND CONTROL LOGIC OUTPUT CODE 65,536C SWB CNVST 3. ADCᇱ๖ᅪ ገ࣑ഗ֡ፕ ߾ፕఇ๕ AD7671ᅃएᇀࢁۉዘݴದDACڦደْৎ႙ఇຕገ ࣑ഗă3၂๖କADCڦᇱ๖ᅪăఇె႑ࡽ ံᆯాևۉፆۨՔഗၭժႜۉೝገ࣑LjۨՔഗ ኧڇटႠ(ྷݔ0 V2.5 VĂ0 V5 VĂ0 V10 V)ࢅມट Ⴀ(ྷݔ±2.5 Vñ5 Vñ10 V)ăۉፆۨՔഗڦۉუݔ ྷ๔ዕྺ0 V2.5 VăඹႠDACᆯ16߲ܾेۉඹፇ ڦׯᅃ߲ንଚࢅ1߲े“LSB”ۉඹፇׯăԲডഗڦ থڟᅃ߲ඹኵᇑඹႠDACንଚ၎ཞ“ڦDummy”ۉඹă AD7671ᆶෙዖ߾ፕఇ๕ǖWarpĂኟࢅஞ؋ă߳ఇ๕ᆶ ߳ఇ๕ࢇڦᆌᆩă ֑ړणྜׯCNVSTՎྺईتᇀۉگೝ้Lj৽ࣷ ഔۯገ࣑ăړገ࣑ਸ๔้LjSW A ࢅSW B ံ ਸăࢫLjۉඹንଚࢅ“Dummy”ۉඹٗ܋ਸLjথ ڟREFGNDăᅺُLj֑णຐ้վጛۉڦڟፆۨ ՔഗᇑINGNDኮक़ۉݴֶڦუแेᇀԲডഗ܋Lj ڞዂԲডഗՎڥփೝ࢚ă ሞREFGNDईREFኮक़ൎ࣑ۉඹንଚ߳ڦᇮॲLjԲডഗ ॽӀቷܾेۉუօ(VREF/2ĂVREF/4 . . . VREF/65,536) Վࣅă੦இडൎ࣑ኄၵਸ࠲LjံٗMSBਸ๔LjᅜՍ๑ Բডഗዘႎ࣮ڟೝ࢚ጒༀăྜࢫײࡗُׯLj੦இडׂิ ADCஓLjժॽBUSYยྺۉگೝă ሞገ࣑क़้߰क़ுᆶඪࢆ၌ڦ൧ူLjኟఇ๕ፌ ఇ๕(800 kSPS)ăኄዖఇ๕༬՚ࢇཞ้ᄲ൱ߛࢅ܈ ֑ᄣ୲ڦᅴօᆌᆩLjසຕ֑णဣཥڪă ஞ؋ఇ๕ࠀࡼፌڦگᅃዖ߾ፕఇ๕Ljഗॲሞଇْገ࣑ क़ ဤ ู ۉጒ ༀ ă ኄ ዖ ఇ ๕ ူ ڦፌ ߛ ཾ ུ ଉ ྺ 666 kSPSă߾ړፕሞ100 SPS้Ljഄۆ႙ࠀࡼৈ15μWăኄዖఇ๕ ༬՚ࢇڦۉࠃۉᆌᆩă ࡧڿدຕ AD7671༵ࠃଇዖՊஓݛ๕ǖՔጚܾࢅܾց ஓLjਏ༹ཚࡗOB/2Cຕጴႜስăഄၙڿد༬Ⴀ ස4ࢅIII๖ă ADC CODE – Straight Binary ሞ֑णLjᇑԲডഗኟ၎ڦንଚࠌᆩ܋ཚࡗ SWAথڟAGNDăᆶ܀૬ਸ࠲ۼথۉڟፆۨՔഗڦ ܋ăᅺُLjۉඹንଚᆩፕᅃ߲֑ᄣۉඹᅜ֑णఇె႑ ࡽăཞᄣLj“Dummy”ۉඹ֑णINGNDฉڦఇె႑ ࡽă Warpఇ๕ኧٳߛ1 MSPSڦፌገ࣑୲ăܸLjሞኄዖ ఇ๕ူ(ኻᆶኄዖఇ๕)Ljኻᆶړገ࣑क़้߰क़փࡗג1 ms้Lj֍ీԍኤۨܮፌߛ܈ăසࡕଇْჄገ࣑ڦक़߰ ้क़ᇀ1 msLj૩සሞฉࢫۉLjሶᆌࢮڼᅃ߲ገ࣑ࡕă ኄዖఇ๕༬՚ࢇཞ้ᄲ൱ߛࢅ܈֑ᄣ୲ڦᆌᆩă 111...111 111...110 111...101 000...010 000...001 000...000 –FS –FS + 1 LSB –FS + 0.5 LSB +FS – 1 LSB +FS – 1.5 LSB ANALOG INPUT 4. ADCၙࡧڿدຕ Rev. B | Page 12 of 24 AD7671 III. ஓࢅၙۉუ ௮ຎ ຕጴஓ (ๆୃ) Քጚ ܾ ܾցஓ ఇె ଉྷݔײ1 ፌگᆶၳ࿋(LSB) FSR – 1 LSB ዐक़ۉೝ + 1 LSB ዐक़ۉೝ ዐक़ۉೝ – 1 LSB –FSR + 1 LSB –FSR ± 10 V 305.2μV 9.999695 V 305.2μV 0V –305.2μV –9.999695 V –10 V ±5V 152.6μV 4.999847 V 152.6μV 0V –152.6μV –4.999847 V –5 V ± 2.5 V 76.3μV 2.499924 V 76.3μV 0V –76.3μV –2.499924 V –2.5 V 0 V10 V 152.6μV 9.999847 V 5.000153 V 5V 4.999847 V 152.6μV 0V 0 V5 V 76.3μV 4.999924 V 2.570076 V 2.5 V 2.499924 V 76.3μV 0V 0 V5 V 76.3μV 4.999924 V 2.570076 V 2.5 V 2.499924 V 76.3μV 0V FFFF2 8001 8000 7FFF 0001 00003 7FFF2 0001 0000 FFFF 8001 80003 ጀ 1 REF = 2.5 VăREF = 3 V้Ljᆶኵ၍Ⴀٷݣă 2 ኄᄺגଉײఇెܔᆌڦஓă 3 ኄᄺവଉײఇెܔᆌڦஓă ۆ႙থ 5ߴକAD7671ۆڦ႙থăԨ๖ڦփཞۉୟڦLjၘ൧९ူ࿔ຎă DVDD 20 ANALOG SUPPLY (5V) NOTE 7 + 10 F ADR421 100nF AVDD AGND + 10 F 100nF 100nF DGND DVDD OVDD DIGITAL SUPPLY (3.3V OR 5V) + 10 F OGND SERIAL PORT REF 2.5V REF NOTE 1 1M + 50k 100nF SCLK CREF NOTE 2 SDOUT REFGND NOTE 3 BUSY 50 INA U2 + + 10 F 100nF AD7671 AD8031 C/ P/DSP D CNVST NOTE 8 OB/2C NOTE 4 SER/PAR 50 DVDD WARP CLOCK 15 ANALOG INPUT ( 10V) IMPULSE NOTE 5 U1 + 2.7nF CS AD8021 NOTE 6 RD IND CC BYTESWAP INGND RESET INB PD INC NOTES 1. SEE VOLTAGE REFERENCE INPUT SECTION. 2. WITH THE RECOMMENDED VOLTAGE REFERENCES, CREFIS 47 F. SEE VOLTAGE REFERENCE INPUT SECTION. 3. OPTIONAL CIRCUITRY FOR HARDWARE GAIN CALIBRATION. 4. FOR BIPOLAR RANGE ONLY. SEE SCALER REFERENCE INPUT SECTION. 5. THE AD8021 IS RECOMMENDED. SEE DRIVER AMPLIFIER CHOICE SECTION. 6. WITH 0V TO 2.5V RANGE ONLY. SEE ANALOG INPUTS SECTION. 7. OPTION. SEE POWER SUPPLY SECTION. 8. OPTIONAL LOW JITTER CNVST. SEE CONVERSION CONTROL SECTION. 5. ۆ႙থ(±10 V)ྷݔ Rev. B | Page 13 of 24 AD7671 ఇె 75 6ߴକAD7671ڦఇెևݴ๖ᅪă 70 65 CMRR – dB AD7671ᅜ߾ፕሞ6ዖଉײఇెྷݔă຺߲ఇె INDĂINCĂINBࢅINA߳ጲႴڦথᅜत၎ᆌڦଉ ྷݔײසI๖ăIཞ้၂๖କ߳ఇెۆڦྷݔ႙ ፆੇă 60 55 50 থ຺߲ڟఇెۉ຺߲ڦፆࠓׯᅃ߲ۉፆۨՔഗLj ॽఇెྷݔၭժገ࣑ڟਸ࠲ۉඹADCࠌڦ܋ᆩ ྷݔ0 V2.5 Vă 45 40 35 AVDD 1 10 100 FREQUENCY – kHz 1000 10000 4R 7. ఇెCMRRᇑೕ୲࠲ڦဣ IND 4R INC أ๑ᆩ0 V2.5 VఇెۉუྷݔኮྔLjഄ൧ူՂႷ ᆩፆੇڦگݥ႑ࡽᇸൻۯAD7671Ljᅜ௨ׂิሺᅮဃֶă ኄᅜ૧ᆩᅃ߲ൻٷݣۯഗํ၄LjAD7671ᅜፆႠྺዷڦఇ ెۉୟ०ࣅൻٷݣۯഗڦስă R1 R INA CS R = 1.28k AGND 6. ఇె๖ᅪ ॽ຺߲INAĂINBĂINCࢅINDথڟ႑ࡽԨวĂ ںई2.5 VएጚᇸLjᅜइڥഄఇెྷݔă 6ዐ๖ܾڦट࠶ྺ຺߲ఇె༵ࠃESDԍࢺă INBĂINCࢅINDਏᆶߛუԍࢺࠀీ(–11 V+30 V)Ljኧݥ ڦۉუྷݔăൎऻLjఇె႑ࡽਦփీࡗגኄ ၵڦਨۨܮܔኵLjԈઔINA (0 V to 5 V)Ljޏሶࣷሰׯ ኄၵܾट࠶ኟೋLjժਸ๔ୁۉڞدăኄၵܾट࠶ᅜت ፌߛ120 mAڦኟೋୁۉă૩සLjړ๑ᆩ0 V2.5 Vݔ ྷ้Ljසࡕ࣐؋ഗ(U1)ۉڦᇸᇑAVDDփཞLjሶኄၵ ཉॲፌዕీࣷ၄ሞINAฉăኄዖ൧ူLjᅜ૧ ᆩਏᆶ܌ୟୁۉ၌ڦ࣐؋ഗԍࢺഗॲă ఇెࠓኧۉܔፆۨՔഗᇑINGNDኮक़ֶڦ ݴ႑ࡽႜ֑ᄣăᇑഄገ࣑ഗփཞLjINGND֑ڦᄣ ᇑኄၵ֑ڦᄣཞ้ႜă૧ᆩֶُݴᅜᅞଇ ߲ࠌᆶڦၭ႑ࡽLjස7๖Lj၂๖କۆ႙ࠌఇᅞ Բ(CMRR)ᇑೕ୲࠲ڦဣă૩සLjසࡕ૧ᆩINGNDॠ֪ ᇺײ႑ࡽںLjሶߌدഗᇑԨںADCںኮक़ۉںڦ࿋ֶॽԥ ၩأăሞୁ႑ࡽ֑ڦणLjAD7671၄ڥၟᅃ߲ڇट ۅRC୳հഗLjᆯۉፆۨՔഗR/2ᇑR1زڦᆶၳۉፆࢅ CSፇׯăۉፆR1ۆ႙ኵྺ100 ΩLjᅃ߲ᆯᅃၵۉزፆࢅ ਸ࠲ڞڦཚۉፆፇڦׯणጺᇮॲă ړ๑ᆩ0 V2.5 Vఇెۉუ้ྷݔLjAD7671ڦፆੇ ߛݥLjᅺُᅜথᆩگፆੇᇸൻۯAD7671ܸփׂࣷิ ሺᅮဃֶăኄᄣ৽ᅜሞٷݣഗ܋ᇑADCఇె܋ ኮक़ݣዃᅃ߲ྔևڇटۅRC୳հഗLjස5๖Ljᅜᅃ օ༵ߛAD7671ఇెۉୟڦሯำ୳հႠీăփࡗLj႑ࡽ ᇸՂႷԍگፆੇLjᅺྺࣷᆖၚୁႠీLj༬՚ጺၿ հ฿ኈ(THD)༬ႠăፌڦٷᇸፆੇൽਦᇀඹႹڦጺၿհ ฿ኈăTHDႠీူই܈ײᇸፆੇࢅፌٷೕ୲ࡧڦ ຕLjස8๖ă –70 –80 THD – dB 2R INB ۉඹCSۆ႙ኵྺ60 pFLjዷᄲԈઔADC֑ᄣۉඹăُڇटۅ ୳հഗۆڦ႙–3 dBপኹೕ୲ྺ9.6 MHzLjᅜইگփଆं۠ ᆖၚժ၌ઠጲڦሯำă Rev. B | Page 14 of 24 R = 100 R = 50 –90 R = 11 –100 –110 0 100 FREQUENCY – kHz 8. THDᇑఇెೕ୲ࢅۉፆ࠲ڦဣ (ৈ0 V2.5 V)ྷݔ 1000 AD7671 ൻٷݣۯഗስ एጚۉუ AD7671ඹᅟൻۯLjڍൻٷݣۯഗณᆌፁူଚᄲ ൱ǖ AD7671๑ᆩ2.5 Vྔևएጚۉუᇸă t t ܔᇀଉײሂLjൻٷݣۯഗࢅAD7671ఇెۉୟ ᅃഐՂႷీࠕ๑ۉඹንଚॺ૬ሞ16࿋ೝ(0.0015%)ă ሞٷݣഗڦຕ֩ዐLj߸९ڦࡀۨ0.1%0.01% ॺڦ૬้क़ăኄీᇑ16࿋ೝॺڦ૬้क़၂ዸփ ཞLjᅺُስኮമᆌႜᄓኤăၭ႙ሏ໙ٷݣഗ AD8021ਏᆶگגሯำ༬ႠࢅߛሺᅮټLjन๑ሺᅮߛ ٳ13Ljᄺీڟٳኄᅃॺ૬้क़ᄲ൱ă ൻٷݣۯഗׂิڦሯำႴీگLjᅜՍԍ AD7671ڦSNRࢅገ࣑ሯำႠీăઠጲൻۯഗڦሯำ ံᆯۉፆۨՔഗߵᆩڦఇెۉუྷݔႜ ၭLjࢫཚࡗᆯ(R/2 + R1)ࢅCSࠓڦׯAD7671ڦఇె ۉୟڇटگۅཚ୳հഗႜ୳հăٷݣഗᆅഐڦ SNRႠీူই๖ྺ SNRLOSS ! ! § · ¨ ¸ ¨ ¸ 28 20 LOG ¨ ¸ 2 ¨ S § 2.5 NeN · ¸ 784 f ¸ ¸ ¨ 3 dB ¨ 2 © FSR ¹ ¹ © ഄዐǖ f–3 dB ྺAD7671–ڦ3 dB(ټ9.6 MHz)Ljईኁ ୳հഗ(සᆶ)ڦপኹೕ୲(0 V2.5 V)ྷݔă N ྺٷݣഗڦሯำဣຕ(࣐؋ഗದዃ้ྺ1)ă eN ྺሏ໙ٷݣഗڪڦၳሯำۉუLjڇ࿋ nV/ Hz ă FSR ྺଉ(܈ੵײ±2.5 Vྺྷݔ5 V)ă ! ૩සLj्ย๑ᆩ0 V5 VྷݔLjൻۯഗ๑ᆩAD8021Lj ഄڪၳሯำྺ2 nV/ Hz Ljժॽದዃྺ࣐؋ഗLj ᅺܸሯำሺᅮྺ1LjሶSNRႠీৈူই0.08 dBă t ൻۯഗڦTHDႠీՂႷࢇAD7671ăTPC 11ߴକTHD ᇑೕ୲࠲ڦဣLjൻۯഗፌࡻᆌࡗגႠీă AD8021ࢇޙኄၵᄲ൱LjबࢭࢇᆶᆌᆩăAD8021Ⴔᄲ ᅃ߲10 pFྔڦևցۉඹăُۉඹᆌਏᆶૌຼNPO༩ٍई ሊజ႙ۉඹڦଆࡻ၍Ⴀ܈ă ړႴᄲມཚٷݣڢഗ๑ᆩሺᅮ1้Ljᅜ๑ᆩAD8022ă සࡕփᄲ൱ߛೕ(100 kHzᅜฉ)ႠీLjᄺᅜስAD829ăሺ ᅮྺ1้LjႴᄲᅃ߲82 pFڦցۉඹă ሞگೕᆌᆩዐႴᄲگೋዃ้ୁۉLjᅜ୯AD8610ă AD7671ڦएጚۉუREFᆅগਏᆶۯༀፆੇLjᅺُ ᆌ૧ᆩگፆੇᇸൻۯᆅগLjREFᇑREFGNDᆅগኮक़ᆌ ᆶၳඁ᳘ăُඁ᳘ൽਦᇀስࢆዖएጚۉუᇸLjڍཚԈ ઔᅃ߲1μF༩ٍۉඹࢅᅃ߲থڟREFᇑREFGNDĂਏᆶፌ ၭसิگڦߌۉESR᮳ۉඹăړದࢇူଚླྀ४ڦएጚۉუ ᇸ๑ᆩ้Lj47 μF᮳ۉඹࢇڦǖ t گሯำĂگ࿒एጚۉუᇸADR421ࢅAD780 t ࡼࠀگएጚۉუᇸADR291 t ׯگԨएጚۉუᇸAD1582 ܔᇀ๑ᆩ߲ܠAD7671ڦᆌᆩLjᆩᅃ߲گሯำĂݥ࿘ۨڦ ሏ໙ٷݣഗ࣐؋एጚۉუࣷ߸ᆶၳLj૩සAD8031ă ᆌ༬՚ጀᅪएጚۉუᇸ֖ڦ࿒܈ဣຕLjُ֖ຕසࡕᆶ࿚ ༶Ljॽথᆖၚڟଉײ܈ă૩සLjएጚۉუᇸ±15 ppm/°Cڦ࿒܈ဣຕॽ๑ଉײᅜ±1 LSB/°C߀܈ޗڦՎă ൩ጀᅪLjኟසरຍࡀ߭ዐຎLjVREFᅜ༵ߛڟAVDD – 1.85 VLjኄᄣፔتࡻڦᅜ༵ߛSNRႠీăྷݔߵ V REFႜۨᅭLjᅺُLjړAVDDߛᇀ4.85 V้Lj±REFݔ ྷᅜٗ±2.5 V༵ߛڟ±3 VڪڪăஃฉLjएጚۉუڦኄዖ ༵ߛᅜ๑SNR༵ߛ1.58 dB (20 log [3/2.5])ăփࡗLjᆯᇀ ஃଉࣅሯำڦᆖၚLjํा࠵ִڦڟႠీ߀ሀྺ1 dBăAD780 ᅜ༵ࠃ3 Vएጚۉუၜă ۨՔഗएጚ(ມटႠ)ྷݔ ړAD7671߾ፕሞມटႠ้ྷݔLj5ዐڦথ၂๖ କᅃ߲एጚۉუ࣐؋ٷݣഗăُ࣐؋ٷݣഗՂփณLjᆩ ᇀॽREFᆅগᇑInxᆅগዐڦ႑ࡽ၎࠲߰ୁۉăᅜ๑ᆩ AD8031ߛڪሏ໙ٷݣഗLj߾ፕሞ5 VۉڇᇸူLjփࣷই گAD7671ڦႠీă࣐؋ഗՂႷਏᆶଆࡻॺڦ૬༬ႠLjሞ AD7671ڦాټጺሯำՂႷگݥă ۉᇸ AD7671๑ᆩෙፇۉᇸᆅগǖఇె5 VۉᇸAVDDĂຕጴ5 V ా ࢃ ۉᇸ DVDDᅜ त ຕ ጴ / থ ੨ ۉᇸ OVDDă OVDDۉᇸᅜᇑ߾ፕሞ2.7 VDVDD + 0.3 Vڦྷݔඪࢆ இडথথ੨ăྺକ३ณႴۉᇸڦຕଉLjຕጴాࢃ (DVDD)ᅜཚࡗᅃ߲०ڦڇRC୳հഗٗఇెۉᇸࠃۉLj ස5๖ăኻᄲOVDDփࡗגDVDD 0.3 VᅜฉLjAD7671 ৽ᇑۉᇸ้Ⴞ࠲Ljᅺܸփࣷ݀ิۉᇸۉუڞዂڦឋ၄ ၡăُྔLjሞڦೕ୲ۉܔాྷݔᇸՎࣅݥփ௺ ߌLjස9๖ă Rev. B | Page 15 of 24 AD7671 ገ࣑੦ 75 11ྺገ࣑ࡗၘڦײဦ้ႾăAD7671ڦገ࣑ᆯ႑ࡽ CNVSTഔۯăᅃڋഔۯLjሶ݆ዘႎਸ๔ईዐኹLjฯู ۉPDᄺీྺ૰Ljኻᆶڟڪገ࣑ྜׯăCNVST႑ࡽ ܀૬߾ፕLjᇑCSࢅRD႑ࡽ࠲ă 70 PSRR – dB 65 60 55 t2 50 t1 CNVST 45 40 35 10 1 100 1000 BUSY 10000 t4 FREQUENCY – kHz t3 9. PSRRᇑೕ୲࠲ڦဣ MODE ࠀࡼ ሞஞ؋ఇ๕ူLjAD7671ሞ߲ገ࣑ຐ้ጲۯইࠀگ ࡼăሞ֑णLj߾ፕگݥୁۉLjᅺُړገ࣑୲ইگ ้Ljࠀࡼ၂ዸইگLjස10๖ăኄᅃ༬Ⴀ๑ڥAD7671ݥ ࢇڦۉࠃۉटࡼࠀگᆌᆩă ฉຎࠀࡼுᆶ୯ۉፆۨՔഗ(ࡼࠀڦසᆶ)Ljࢫኁൽ ਦᇀᆩڦۉუۉูࢅྷݔఇ๕ူڦఇెۉუă ړ๑ᆩ0 V2.5 V้ྷݔLjईኁړఇెۉუྺ0 V๑ ᆩ0 V5 Vई0 V10 VڇڦटႠ้ྷݔLjۉፆۨՔഗփׂ ิࠀࡼă ᆌړጀᅪLjन๑ሞ֑णLjຕጴথ੨ᄺԍᆶၳăྺ ᅃօই߾گፕຕጴۉᇸୁۉLjႴᄲॽຕጴൻۯথৎ ࠃ(ࡆۉनDVDDࢅDGND)LjժOVDDփᆌࡗגDVDD 0.3 Vᅜฉă 100000 WARP/NORMAL ACQUIRE CONVERT ACQUIRE t7 11. एԨገ้࣑Ⴞ ሞஞ؋ఇ๕ူLjገ࣑ᅜጲۯഔۯăړBUSYྺۉگೝ ้LjසࡕCNVSTتᇀۉگೝLjሶAD7671੦֑णLj ࢫ ጲ ۯഔ ۯႎ ڦገ ࣑ ă ኻ ᄲ CNVSTԍ ۉ گ ೝ Lj AD7671৽ࣷჄኴႜገ࣑ࡗײăᆌጀᅪLjړBUSYՎྺگ ۉೝ้LjఇెՂႷྜॺׯ૬ăଷྔሞฉ้ۉLjCNVST ᆌՎྺۉگೝᅃْLjᅜՍഔۯገ࣑ࡗײăُఇ๕ူLj AD7671֑ڦᄣ୲ᆶ้ీฎᇀ666 kSPSڦԍኤ၌ኵă Warpईኟఇ๕ዐሶփ٪ሞኄᅃ༬Ⴀă CNVSTᅃ߲ຕጴ႑ࡽLjڍยऺ้ᆌ༬՚ጀᅪLjᆌړ ֑ᆩĂ߅৫ڦՉᄂᅜतࡗ؋/വ؋ईၚଯናږटၭۉڦ ೝăፌࡻᆩںೡԸCNVSTጽ၍Ljժሞ੍ৎൻُۯ၍ୟڦഗ ॲڦت܋ሺेᅃ߲گኵۉزፆ(ස50 Ω)ă 1000 t9 100 RESET 10 IMPULSE BUSY 1 0.1 1 10 100 CONVERT t8 ኍܔSNRႠీ࠲ዘᄲڦᆌᆩLjCNVST႑ࡽڦ۶ۯᆌݥ گăྺُLjᅜ๑ᆩጆᆩናږഗઠׂิCNVST႑ࡽLjईኁ ณᆌ૧ᆩߛೕگ۶้ۯዓྺഄ้ۨLjස5๖ă 10000 POWER DISSIPATION – W t6 t5 1000 10000 SAMPLING RATE – SPS 100000 1000000 DATA BUS 10. ࠀࡼᇑ֑ᄣ୲࠲ڦဣ t8 CNVST 12. RESET้Ⴞ Rev. B | Page 16 of 24 AD7671 ຕጴথ੨ CS = 0 AD7671ਏᆶᅃ߲ీࠀܠຕጴথ੨Ljᅜ૧ᆩزႜईժႜথ ੨ᇑዷऐဣཥথ੨ăزႜথ੨ᇑժႜຕጺ၍ްᆩăኻႴ ॽAD7671ڦOVDDۉᇸᆅগথڟዷऐဣཥথ੨ຕጴۉ ᇸLjAD7671ຕጴথ੨Սኧ3 Vई5 VஇडăፌࢫLj૧ᆩ OB/2CᆅগᅜስՔጚܾईܾցஓՊஓݛ ๕ă CSࢅRDኄଇ߲႑ࡽ੦ຕጴথ੨ăኻᄲഄዐᅃ߲႑ࡽྺ ߛۉೝLjথ੨ՍتᇀߛፆༀăཚܸჾLjሞۉܠୟᆌ ᆩዐLjCSᆩᇀስ߳AD7671ǗሞڇAD7671ยऺዐLjCSԍ ۉگೝăRDᅃӯᆩᇀ๑ీຕጺ၍ฉڦገ࣑ࡕă t1 CNVST t 10 BUSY t4 DATA BUS BUSY t4 t3 PREVIOUS CONVERSION DATA BUS t 12 t 13 15. ܁ൽ้ٗڦऐժႜຕ้Ⴞ(ገ࣑क़܁ൽ) BYTESWAPᆅগᅜᇑ8࿋ጺ၍ފথ੨ăස16๖Lj ړBYTESWAPྺۉگೝ้LjLSBཚࡗD[7:0]LjMSBཚࡗ D[15:8]ăړBYTESWAPྺߛۉೝ้LjLSBጴবᇑMSB ጴব࣑LjLSBཚࡗD[15:8]LjMSBཚࡗD[7:0]ăස ࡕॽBYTESWAPথںڟ၍Ljሶ16߲ຕ࿋ᅜݴ2߲ ጴবሞD[15:8]ईD[7:0]ฉ܁ൽă CS = RD = 0 t3 t1 CNVST, RD t 11 PREVIOUS CONVERSION DATA NEW DATA CS 13. ܁ൽ้ڦዷऐժႜຕ้Ⴞ(Ⴤ܁ൽ) RD ժႜথ੨ BYTE ړSER/PARتᇀۉگೝ้LjAD7671๑ᆩժႜথ੨ăຕ़ ᅜሞْ߳ገ࣑ኮࢫLjनူᅃ߲֑ण܁ൽLjᄺᅜሞ ူᅃገ࣑क़܁ൽLjኄଇዖ൧ݴ՚ස14ࢅ15๖ă ܸLjසࡕሞገ࣑क़܁ൽຕLjॺᅱৈሞገ࣑ڦമ ӷ܁ൽăኄᅜՆ௨ຕጴথ੨ࢅፌ࠲॰ڦఇెገ࣑ۉୟ ฉۉڦუຨՎኮक़၄ઍཚă PINS D[15:8] HI-Z HIGH BYTE t12 t12 PINS D[7:0] HI-Z LOW BYTE LOW BYTE HIGH BYTE HI-Z t13 HI-Z 16. 8࿋ժႜথ੨ زႜথ੨ ړSER/PAR تᇀ ߛ ۉೝ ้ Lj AD7671๑ ᆩ زႜ থ ੨ ă AD7671ᅜMSBᆫံݛ๕ሞSDOUTᆅগฉ16࿋ຕă ُຕᇑSCLKᆅগฉ༵ࠃڦ16้߲ዓஞ؋ཞօăຕ ሞຕ้ዓڦฉืᄂࢅူইᄂᆶၳă CS RD ٗऐزႜথ੨ BUSY CURRENT CONVERSION DATA BUS t 12 t 13 14. ܁ൽ้ٗڦऐժႜຕ้Ⴞ(ገ࣑ኮࢫ܁ൽ) ྔև้ዓ ړEXT/INTᆅগتᇀߛۉೝ้LjAD7671૧ᆩሞSCLKᆅগ ฉ༵ࠃྔڦևزႜຕ้ዓ߾ፕăኄዖఇ๕ူLjᅜᆩܠ ዖ܁݆ݛൽຕăྔևزႜ้ዓᆯCSཚLjړCSࢅRD ྺۉگೝ้LjຕăᅺُLjߵCSڦጒༀփཞLjຕ ᅜሞْ߳ገ࣑ኮࢫईሞူᅃገ࣑क़܁ൽăྔև้ዓ ᅜჄ้ዓईݥჄ้ዓăݥჄ้ዓሞၳ้ᅜ ߛईگă19ࢅ21ྺኄၵၘڦ݆ݛဦ้Ⴞă Rev. B | Page 17 of 24 AD7671 ገLjܸٗ๑ຕጴऄۯᇑ࠲॰ገ࣑ಒኮक़ڦీઍཚই ፌگă ዷऐزႜথ੨ ాև้ዓ ሞገ࣑ኮࢫ܁ൽఇ๕ူᆌጀᅪLjᇑഄఇ๕փཞLj႑ࡽ BUSYሞ16߲ຕ࿋ደ߲ኮࢫՎྺۉگೝLjܸփሞ ገ࣑ຐ้LjࢫኁࣷڞዂBUSY܈ডă ړEXT/INTᆅগتᇀۉگೝ้LjAD7671ׂิժ༵ࠃزႜຕ ้ዓSCLKăׂ࣏ิᅃ߲SYNC႑ࡽLjᅜߢኪዷऐزႜ ຕࢆ้ᆶၳăසࡕႴᄲLjزႜ้ዓSCLKࢅSYNC႑ࡽ ᅜݒ၎ăߵRDC/SDINڦጒༀփཞLjຕᅜሞ߳ ْገ࣑ኮࢫईሞገ࣑क़܁ൽă17ࢅ18ྺኄଇዖ݆ݛ ၘڦဦ้Ⴞă ړAD7671ኟሞኴႜ࿋ಒ้LjՂႷጀᅪຕጴ/ᆅ গฉփీ၄ۉუຨՎLjޏሶࣷڞዂገ࣑ࡕփॅăኄሞ ገ࣑ࢫڦӷᆮഄዘᄲLjᅺྺAD7671༵ࠃକဃֶၯኟ ۉୟLjᅜၯኟገ࣑ڦമӷक़ፔڦփړ࿋ಒ ăᅺُLjړ๑ᆩྔև้ዓ้Ljॺᅱ๑ᆩݥჄ้ዓLj ৈሞBUSYྺۉگೝ้ൎ࣑LjईኁփሞBUSYߛۉೝࢫڦӷ ՎദLjኄᅃྺ߸ۅዘᄲă ཚLjAD7671ᅜߛཾུ୲߾ፕLjᅺُසࡕీࠕ๑ᆩLjز ႜఇ๕ፌࡻ๑ᆩገ࣑क़ዷऐ܁ൽఇ๕ă ሞገ࣑क़܁ൽఇ๕ူLjزႜ้ዓࢅຕሞ้ڦړਗ਼ݒ EXT/INT = 0 RDC/SDIN = 0 CS, RD INVSCLK = INVSYNC = 0 t3 CNVST t 28 BUSY t 30 t 29 t 25 SYNC t 14 t 18 t 19 t 20 t 24 t 21 t 26 1 2 D15 D14 SCLK 3 14 15 16 t 15 t 27 SDOUT X t 16 D2 D1 D0 t 23 t 22 17. ܁ൽ้ڦዷऐزႜຕ้Ⴞ(ገ࣑ኮࢫ܁ൽ) RDC/SDIN = 1 EXT/INT = 0 INVSCLK = INVSYNC = 0 CS, RD t1 CNVST t3 BUSY t 17 t 25 SYNC t 14 t 19 t 20 t 21 t 15 SCLK t 24 1 2 D15 D14 3 14 15 D2 D1 t 18 SDOUT X t 16 t 22 t 26 16 t 27 t 23 18. ܁ൽ้ڦዷऐزႜຕ้Ⴞ(ገ࣑क़܁ൽമᅃገ࣑ࡕ) Rev. B | Page 18 of 24 D0 AD7671 EXT/INT = 1 INVSCLK = 0 RD = 0 CS, RD BUSY t36 SCLK t35 t37 1 2 t31 3 14 15 16 17 18 t32 X SDOUT D15 t16 D14 D13 D1 D0 X15 X14 X14 X13 X1 X0 Y1 5 Y14 t34 SDIN X15 t33 19. ܁ൽ้ٗڦऐزႜຕ้Ⴞ(ገ࣑ኮࢫ܁ൽ) ገ࣑ኮࢫྔڦևݥჄ้ዓຕ܁ൽ BUSY OUT ๑ᆩኄዖఇ๕փీํ၄ፌߛཾུଉLjڍኄፌኵླྀڥ ४زڦႜٗऐఇ๕ă19ྺُၘڦ݆ݛဦ้Ⴞăገ࣑ྜ (ࢫׯཚࡗBUSYۉگڟ࣮ݓೝڥኪ)Ljُገ࣑ڦࡕᅜሞ CSࢅRDྺۉگೝ้܁ൽăຕᅜMSBᆫံݛ๕ᆯ16߲ ้ዓஞ؋ደ߲Ljܸሞ้ዓڦฉืᄂࢅူইᄂᆶ ၳă BUSY AD7671 AD7671 #2 (UPSTREAM) #1 (DOWNSTREAM) RDC/SDIN ፌࢫLjኻᆶሞኄዖఇ๕ူLjAD7671֍༵ࠃ“ਅࢾ૾”༬ႠLj ૧ᆩRDC/SDINᆅগॽ߲ܠገ࣑ഗपഐઠăኄᅃ ༬Ⴀᆩᇀ३ณഗॲຕଉࢅ၍ୟথǗ૩සሞ߰๕ܠገ ࣑ഗᆌᆩዐLjထྭഗॲࢅথሁณሁࡻă ଇ߲ഗॲڦਅࢾ૾থ๖૩ස20๖ă૧ᆩᅃ߲ࠅࠌ CNVST႑ࡽᅜํ၄ཞօ֑ᄣăᆌጀᅪLj٪RDC/SDIN ڦSCLKᄂᇑᆩᇀሞSDOUTฉຕڦSCLKᄂ၎ ݒăᅺُLjሞူᅃ߲SCLKዜLjฉᆴገ࣑ഗڦMSB߶ူ ᆴገ࣑ഗڦLSBă SDOUT RDC/SDIN CNVST ኄዖڦ݆ݛᆫۅኮᅃገ࣑ႠీփࣷူইLjᅺྺገ࣑ࡗײ ዐຕጴথ੨ฉփ٪ሞۉუຨՎă ଷᅃ߲ᆫۅీࠕᅜፌߛ40 MHzڦඪᅪ܁܈ൽຕLj ़ኧຕጴዷऐথ੨Ljᄺኧፌزڦႜ܁ൽă BUSY SDOUT DATA OUT CNVST CS CS SCLK SCLK SCLK IN CS IN CNVST IN 20. ଇ߲AD7671ڦਅࢾ૾ದዃ ገ࣑क़ྔڦև้ዓຕ܁ൽ 32ྺُၘڦ݆ݛဦ้Ⴞăገ࣑क़LjړDTࢅSEྺ ۉگೝ้Ljᅜ܁ൽമᅃገ࣑ڦࡕăຕᅜNTCᆫံݛ ๕ᆯ27้߲ዓஞ؋ደ߲Ljܸሞ้ዓڦฉืᄂࢅူই ᄂᆶၳăՂႷሞړമገ࣑ྜׯኮമྜ܁ኄ27࿋ຕăස ࡕ࿄ྜ܁LjሶSEFSSPSՎྺߛۉೝLjᅜᆩઠዐዷऐ থ੨Ljݞኹຕ܁ൽփྜኝăُఇ๕ுᆶਅࢾ૾༬ႠLj SED0TEJOᆌᇑߛۉೝईۉگೝ၎ă Rev. B | Page 19 of 24 AD7671 INVSCLK = 0 EXT/INT = 1 RD = 0 CS CNVST BUSY t3 t 35 t 36 t 37 SCLK 1 2 t 31 14 15 16 t 32 X SDOUT 3 D15 D14 D1 D13 D0 t 16 21. ܁ൽ้ٗڦऐزႜຕ้Ⴞ(ገ࣑क़܁ൽമᅃገ࣑ࡕ) ྺইگຕጴऄܔۯႠీڦᆖၚLjॺᅱ๑ᆩူຎೕ୲ڦ ݥჄ้ዓǖஞ؋ఇ๕ူณ25 MHzLjኟఇ๕ူณ32 MHzLjWarpఇ๕ူณ40 MHzLjᅜඓԍᆶຕ࿋ీۼሞ ገ࣑ڦമӷ܁ൽăᄺᅜሞገ࣑ኮࢫਸ๔܁ൽຕ Ljฯሞႎገ࣑ᅙഔۯኮࢫीჄ܁ൽፌࢫڦຕ࿋ăُ ้ᅜ๑ᆩড้ڦዓLj૩සǖஞ؋ఇ๕ူ18 MHzLjኟ ఇ๕ူ21 MHzLjWarpఇ๕ူ26 MHză DVDD AD7671* MC68HC11* SER/PAR EXT/INT CS RD BUSY SDOUT SCLK INVSCLK CNVST IRQ MISO/SDI SCK I/O PORT * ADDITIONAL PINS OMITTED FOR CLARITY ྲتഗথ੨ AD7671༬՚ࢇኧتྲഗدڦཥୁ֪ଉᆌᆩࢅᇑຕ ጴ႑ࡽتഗথ੨ڦୁ႑ࡽتᆌᆩăAD7671ᅜথ ժႜ8࿋ई16࿋থ੨Ljईኁথྲ੦ഗฉڦཚᆩزႜ ܋੨ईI/O܋੨ăAD7671ᅜᇑ߳ዖྔև࣐؋ഗದࢇ๑ ᆩLjݞኹຕጴሯำ᳘ࢇڟADCኮዐăူ௬ຫAD7671ස ࢆ ದ ࢇ ᅃ ߲ ټᆶ SPIথ ੨ ྲ ڦ੦ ഗ Ă ADSP-21065Lࢅ ADSP-218xຕጴ႑ࡽتഗ๑ᆩă SPIথ੨(MC68HC11) 22ྺ AD7671ᇑ ᅃ ߲ ದ ᆶ SPIথ ੨ ྲ ڦ੦ ഗ (૩ ස MC68HC11) ڦথ ੨ ăྺኧྲ੦ഗڦড܈Lj AD7671ᆩፕٗऐLjຕՂႷሞገ࣑ኮࢫ܁ൽăُఇ๕ཞᄣ ਏᆶਅࢾ૾༬Ⴀăገ࣑ంସᅜၚᆌᅃ߲ాև้ۨഗዐ ܸഔۯăຕ܁ڦൽ(Ղᄲ้ᅃْᅃ߲ጴব)ᅜၚᆌ ገ࣑ຐ႑ࡽ(BUSYՎྺۉگೝ)Lj૧ᆩྲ੦ഗڦዐ၍ ୟܸഔۯăၠMC68HC11زڦႜྔยথ੨(SPI)੦स٪ഗ (SPCR)ႀຕLjॽഄದዃྺǖዷऐఇ๕(MSTR) = 1Lj้ዓ टႠ࿋(CPOL) = 0Lj้ዓ၎࿋࿋(CPHA) = 1LjSPIዐ๑ీ (SPIE) = 1ăIRQದዃྺৈܔՉᄂ௺ߌ߾ፕఇ๕(OPTIONस ٪ഗዐڦIRQE = 1)ă 22. AD7671ᇑSPIথ੨ڦথ ዷऐزႜথ੨ዐڦADSP-21065L ස23๖Lj૧ᆩዷऐఇ๕ူزڦႜথ੨Ljᅜ๑AD7671 ᇑADSP-21065Lํ၄থ੨LjႴඪࢆঌஇडăُఇ๕़ ਏᆶ၍ୟথডณڦᆫLjᆼీᅜፌߛد܈ሞገ࣑ क़ईገ࣑ኮࢫ܁ൽຕ(DIVSCLK[0:1]ྺۉگೝ)ă AD7671ದዃྺాև้ዓఇ๕(EXT/INTྺۉگೝ)Ljᅺُᆩፕ ዷऐăገ࣑ంସᅜཚࡗܠዖݛ๕ׂิǖᅃ߲ྔևگ۶ۯ ናږഗLjස๖ڦADSP-21065L FLAGLjईኁADSP21065Lڦᅃ߲زႜ܋੨ڦኡTFS(ᅜၟ้ۨഗᅃᄣ ๑ᆩ)ăADSP-21065Lزڦႜ܋੨ದዃྺǖྔև้ዓ(IRFS = 0)Ăฉืᄂᆶၳ(CKRE = 1)Ăྔևኡཞօ႑ࡽ(IRFS = 0Ă LAFS = 1ĂRFSR = 1)ᅜतߛۉೝᆶၳ(LRFS = 0)ăADSP21065Lزڦႜ܋੨ཚࡗႀഄথ੦स٪ഗ(SRCTL)ႜ ದዃLjၘ൧९ADSP-2106x SHARCᆩࢽ֩ăᆯᇀADSP21065Lزڦႜ܋੨ॽੂڟᅃ߲ݥჄ้ዓLjᅺُሞADSP21065Lྜްׯ࿋ࢫՂႷႜ؛๔ጴ܁ൽLjඓԍزႜ܋੨ሞ ࢫჄ߳ຕ܁ൽ֡ፕዐᇑُ้ዓኟඓཞօă Rev. B | Page 20 of 24 AD7671 AD7671ۉڦᇸ၍ୟᆌ֑ᆩీڦጽ၍Ljᅜ༵ࠃگፆੇ ୟ০Ljժ३ၭۉᇸ၍ୟฉڦறِሯำၳᆌăଆࡻڦඁ᳘ᄺ ዘᄲLjᅜՍইگAD7671ۉڦᇸፆੇLjժ३ณۉᇸॖޗރ ܈ăۆ႙ኵ100 nFڦඁ᳘༩ٍۉඹᆌ੍ৎ(ၙ൧੍) ᆶۉᇸᆅগAVDDĂDVDDĂOVDDतഄܔᆌڦথںᆅ গݣዃăُྔLjADCৎᆌݣዃگESR 10 mFۉඹLjᅜᅃ օ३ၭگೕ࿖հă DVDD AD7671* ADSP-21065L* SHARC ® SER/PAR RDC/SDIN RD EXT/INT SYNC SDOUT CS INVSYNC SCLK INVSCLK CNVST RFS DR RCLK FLAG OR TFS ٗ9ᅜੂLjAD7671ۉܔᇸฉڦሯำਏᆶଆࡻੇڦඡ ܈Ljփࡗධᆌጀᅪথںքਆă AD7671ڦDVDDۉᇸᅜᅃ߲܀૬ۉᇸLjᄺᅜઠጲఇ ెۉᇸAVDDLjईኁઠጲຕጴথ੨ۉᇸOVDDăړဣཥຕ ጴۉᇸڦሯำߛईኁ٪ሞൎ࣑ຕጴ႑ࡽ้Ljසࡕு ᆶ܀૬ۉᇸᆩLjሶॺᅱॽDVDDຕጴۉᇸཚࡗᅃ߲RC୳ հഗথڟఇెۉᇸAVDDLjස5๖Ljժॽဣཥۉᇸ থڟথ੨ຕጴۉᇸOVDDࢅഄᇆຕጴۉୟăړDVDDٗဣ ཥۉᇸࠃ้ۉLj֭ᅃ߲ىዩᆶᆩڦLjᅃօইگ ߛೕሯำॖރă AD7671ሞڦᆇຘۉୟӱᆌ֑ᆩఇెևݴᇑຕጴևݴݴ ยऺLjժ၌ሞۉୟӱڦᅃۨ൶ᇘాăኄᄣՍᇀ๑ᆩথں ֫ժඟ்ᅟᇀݴăຕጴࢅںఇెںᆌۅڇথăۅڇ থ ۅ ںፌ ࡻ ࿋ ᇀ AD7671ူ ݛLj ณ ᆌ ీ ੍ ৎ AD7671ăසࡕAD7671ဣཥాᆶ߲ܠഗॲᄲ൱ఇຕথں থLjධᆌॕۅڇথںLjӝথݣۅںዃሞీ੍ৎ AD7671ڦᅃ߲႓႙থۅںă AD7671ᆶ 5߲ փ ཞ থ ںᆅ গ ǖ INGNDĂ REFGNDĂ AGNDĂDGNDࢅOGNDăINGNDᆩᇀॠ֪ఇె႑ ࡽăREFGNDᆩᇀॠ֪एጚۉუLjᆌཚࡗگፆੇ࣮ୟ࣮ݓ एጚᇸLjᅺྺၻټஞ؋ୁۉăAGNDADCాևܠຕఇ ె႑ࡽں֖ڦăُᆅগՂႷᅜీۉڦگፆথڟఇ ె֫ںăDGNDՂႷথڟఇెईຕጴ֫ںLjਏ༹ದዃ ܸۨăOGNDথڟຕጴဣཥںă ॺᅱՆ௨ሞഗॲူݛքยຕጴ၍ୟLjޏሶࣷॽሯำ᳘ࢇ ႊೌăᆌሎႹఇెথ֫ںքยሞAD7671ူݛLjᅜՆ௨ሯำ ᳘ࢇăCNVSTई้ዓڪൎ࣑႑ࡽᄲ๑ᆩຕጴेںᅜೡ ԸLjᅜ௨ॽሯำޖพۉڟୟӱڦഄևݴLjܸൎ࣑ ႑ࡽਨփీ੍ৎఇె႑ࡽୟ০ăᆌՆ௨ຕጴ႑ࡽᇑఇె႑ ࡽ۠ăۉୟӱତৎ֫ฉڦጽ၍ᆌԵُؽLjᅜ३ၭۉୟ ӱڦઍཚၳᆌă एጚۉუڦඁ᳘քਆݥዘᄲăඁ᳘ۉඹᆌ੍ৎADCLjժ ᆩڦܸ܌ጽ၍থLj๑सิߌۉፌၭă * ADDITIONAL PINS OMITTED FOR CLARITY 23. ๑ᆩزႜዷऐఇ๕ᇑADSP-21065Lথ੨ ᆌᆩႷኪ քਆ AD7671Ⴀీೠࠚ AD7671ڦೠࠚӱ၂๖କAD7671ླྀڦ४քਆăೠࠚӱ༫ॲ Ԉઔጎದྜঢ়ࡗ֪ڦೠࠚӱĂ࿔ڗᅜतᆩᇀٗPCཚ ࡗEval-Controlӱ੦ೠࠚӱॲڦă Rev. B | Page 21 of 24 AD7671 ྔႚ٫ 48ᆅগԋ႙຺ݛՌೝހጎ[LQFP] (ST-48) ٫ڇ࿋ǖmm 0.75 0.60 0.45 9.00 BSC SQ 1.60 MAX 37 48 36 1 0.15 0.05 SEATING PLANE 10 6 2 1.45 1.40 1.35 SEATING PLANE PIN 1 7.00 BSC SQ TOP VIEW 0.20 0.09 (PINS DOWN) VIEW A 7 3.5 0 0.10 MAX COPLANARITY 25 12 13 24 0.27 0.22 0.17 0.50 BSC VIEW A ROTATED 90 CCW COMPLIANT TO JEDEC STANDARDS MS-026BBC 48ᆅগᆅগॐࠓႊೌपހጎ[LFCSP] (CP-48) ٫ڇ࿋ǖmm 7.00 BSC SQ 0.60 MAX 0.60 MAX 37 6.75 BSC SQ TOP VIEW 0.20 REF 1 25 24 12 13 5.50 REF 0.80 MAX 0.65 NOM 0.05 MAX 0.02 NOM 0.50 BSC SEATING PLANE 5.25 5.10 SQ 4.95 BOTTOM VIEW 0.50 0.40 0.30 12 MAX PIN 1 INDICATOR 48 36 PIN 1 INDICATOR 1.00 0.90 0.80 0.30 0.23 0.18 COPLANARITY 0.08 COMPLIANT TO JEDEC STANDARDS MO-220-VKKD-2 Rev. B | Page 22 of 24 PADDLE CONNECTED TO AGND. THIS CONNECTION IS NOT REQUIRED TO MEET THE ELECTRICAL PERFORMANCES AD7671 Ⴊ۩૦๏ ࿋ዃ ᄻஓ 20034ሆ—ຕ֩ٗႪ۩ӲAืपڟႪ۩ӲB ߸߀PulSARስ ........................................................................................................................................................................................................ 1 ߸߀۩ࠔኸళ ................................................................................................................................................................................................................ 5 ߸߀5 .......................................................................................................................................................................................................................... 13 ߸ႎ“ྔႚ٫”և ݴ................................................................................................................................................................................................... 22 20025ሆ—ຕ֩ٗႪ۩Ӳ0ืपڟႪ۩ӲA Պड“༬Ⴀ”և ݴ.............................................................................................................................................................................................................. 1 Պड“߁ຎ”և ݴ............................................................................................................................................................................................................. 1 “ׂঋ”ևݴሺे ............................................................................................................................................................................................ 1 Պड“रຍࡀ߭”և ݴ................................................................................................................................................................................................ 2–3 ՊडI ............................................................................................................................................................................................................................. 3 Պड“ਨܔፌۨܮٷኵ”և ݴ........................................................................................................................................................................................ 5 Պड“۩ࠔኸళ”և ݴ..................................................................................................................................................................................................... 5 ՊडTPC 4 ........................................................................................................................................................................................................................ 9 ߸࣑TPC 9 ..................................................................................................................................................................................................................... 10 ሺेTPC 16 ................................................................................................................................................................................................................... 11 ՊडIII ....................................................................................................................................................................................................................... 13 Պड“ൻٷݣۯഗስ”և ݴ..................................................................................................................................................................................... 15 ߸࣑“एጚۉუ”և ݴ.......................................................................................................................................................................................... 15 ߸࣑ST-48ހጎྔႚ .................................................................................................................................................................................................... 22 Rev. B | Page 23 of 24 AD7671 ©2005–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C02567–0–5/03(B) Rev. B | Page 24 of 24