ֶݴ/܋ڇĂມࢃ2 MSPSĂ 12࿋Ă3ཚڢSAR ADC AD7266 ༬Ⴀ ࠀీ ມࢃ12࿋Ă3ཚڢADC REF SELECT DCAPA AVDD DVDD ཾུ୲ǖ2 MSPS REF ۉۨܮუ(VDD)ǖ2.7 V5.25 V AD7266 VA1 9 mW(1.5 MSPSLj3 Vۉᇸ) VA2 27 mW(2 MSPSLj5 Vۉᇸ) VA3 ᆅগದዃఇె 12ཚ܋ڇڢ VA4 MUX T/H 12-BIT SUCCESSIVE APPROXIMATION ADC OUTPUT DRIVERS VA5 SCLK CS RANGE SGL/DIFF A0 A1 A2 VA6 6ཚڢඇֶݴ CONTROL LOGIC 6ཚڢ࿁ֶݴ ႑ሯԲ(SNR)ǖ70 dB(50 kHzೕ୲) ! ඓೌాएጚۉუǖፌٷ2.5 V ± 0.2%(25°CLjፌٷ20 ppm/°C) VB1 VB2 ມୟገ࣑Lj܁ൽ܈ǖ437.5 nsLj32 MHz SCLK VB3 ߛزႜথ੨ VB4 SPI®-/QSPI™-/MICROWIRE™-/DSP-ग़ඹ ߾ፕ࿒ྷݔ܈ǖ−40°C+125°C VDRIVE MUX T/H VB5 AGND AGND AGND DCAPB 1 MSPSӲԨǖAD7265 ገ࣑ࡗࢅײຕ֑णࡗײ֑ᆩՔጚ੦Ljᇑྲت ഗईDSPൟথ੨ă႑ࡽሞCSူڦইᄂႜ֑ᄣLj ཞ้ሞُتਸ๔ገ࣑ăገ้࣑क़ᆯSCLKೕ୲ਦۨăഗॲ ୁ၍ჽă AD7266֑ᆩံڦยऺरຍLjሞߛཾུ୲ڦ൧ူํ ၄टࡼࠀڦگăሞ߾ፕۉუྺ5 VLjཾུ୲ٳ2 MSPSڦ൧ ူLjഗॲၩࡼፌٷৈྺ6.2 mAୁۉăᅺྺৢڦگגༀۉ ୁLjഗॲሞኟఇ๕้࣏ਏᆶଳऄུཾڦ୲ࢅۉᇸ࠶ ీ૰ă OUTPUT DRIVERS DOUTB BUF 32ᆅগLFCSPࢅ32ᆅগTQFPހጎ AD7266 1 ᅃ 12࿋ ມ ࢃ ߛ Ă ڦ ࡼ ࠀ گደ ْ ৎ ႙ ADCLj֑ᆩ2.7 V5.25 VۉڇᇸࠃۉLjፌߛཾུ୲ٳ2 MSPSăኄഗॲాዃଇ߲ADCLjଇኁኮമದᆶᅃ߲3ཚ ܠڢୟްᆩഗࢅᅃ߲ీࠕت30 MHzᅜฉೕ୲گڦሯĂ ֑ټᄣԍٷݣഗă 12-BIT SUCCESSIVE APPROXIMATION ADC VB6 ࠲ఇ๕ǖፌٷ1 μA ߁ຎ DOUTA DGND DGND 04603-001 ࠀࡼ BUF 1 AD7266༵ࠃ32ᆅগLFCSPࢅ32ᆅগTQFPଇዖހጎă ׂঋ 1. ! ଇ߲ྜኝڦADCLjሎႹଇ߲ཚڢཞօ֑ᄣࢅገ࣑ă ཚࡗՊײLj߲ADCยዃྺෙୟྜඇֶݴ/࿁ֶ ܔݴईୃୟ܋ڇăଇ߲ཚڦڢገ࣑ࡕཚࡗ܀ ૬ڦຕ၍ཞ้इڥLjසࡕኻᆶᅃ߲زႜ܋੨ᆩLj ሶገ࣑ࡕཚࡗᅃཉຕ၍ံࢫइڥă 2. ߛཾུ୲Ăࡼࠀگă߾ፕۉუྺ3 V้LjAD7266༵ࠃ 1.5 MSPSུཾڦ୲Ljፌྺࡼࠀٷ11.4 mWă 3. AD7266༵ࠃՔጚ0 VVREFࢅ2 × VREFଇዖྷݔă 4. ! ୁ၍ჽă ഗॲ֑ᆩଇ߲Քጚደْৎ႙ADCLjཚࡗCSࢅ ᅃْႠገ࣑੦ీࠕඓ੦֑ᄣ้क़ă 1ெࡔጆ૧ڼ6,681,332ࡽԍࢺă ఇెྷݔስ0 VVREF(ई2 × VREF)ྷݔLjՊஓ ֑ᆩথܾईܾցஓăAD7266ᆛᆶ2.5 Vాೌڦ एጚۉუLjᄺᆩྔևएጚۉუăྔևएጚۉუྺྷݔ 100 mVVDDă Rev. A 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. Specifications subject to change without notice. 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 owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved. ADIዐ࿔Ӳຕ֩ᆈ࿔Ӳຕ֩ڦᅳ࿔Lj൩ଌᅳዐీ٪ሞڦᇕჾፇኯईᅳٱဃLjADIփܔᅳዐ٪ሞֶڦᅴईᆯׂُิٱڦဃሴăසႴඓණඪࢆَᇕڦጚඓႠLj൩֖ADI༵ࠃ ڦፌႎᆈ࿔Ӳຕ֩ă AD7266 ణ ༬Ⴀ ................................................................................................... 1 ! ߁ຎ ................................................................................................... 1 ߾ፕఇ๕ ........................................................................................ 19 ࠀీ ........................................................................................... 1 ! ኟఇ๕ ................................................................................ 19 ׂঋ ........................................................................................... 1 ! ևۉูݴఇ๕ ....................................................................... 19 Ⴊ۩૦๏ ........................................................................................... 2 ! ඇูۉఇ๕ ............................................................................ 20 रຍࡀ߭ ........................................................................................... 3 ! ฉ้ۉक़ ................................................................................ 21 ! ! ࠀࡼᇑཾུ୲ ................................................................... 21 ้Ⴞࡀ߭ .................................................................................. 5 VDRIVE ....................................................................................... 18 ਨܔፌۨܮٷኵ ............................................................................. 6 زႜথ੨ ........................................................................................ 22 ESDয়ߢ ................................................................................... 6 ྲتഗথ੨ ................................................................................ 23 ᆅগದዃࢅࠀీ௮ຎ ..................................................................... 7 ! AD7266থ੨ADSP-218x ..................................................... 23 ۆ႙߾ፕ༬Ⴀ .................................................................................. 9 ! AD7266থ੨ADSP-BF53x ................................................... 24 ຍᇕ ................................................................................................. 11 ! AD7266থ੨TMS320C541 .................................................. 24 ߾ፕᇱ ........................................................................................ 13 ! AD7266থ੨DSP563xx ........................................................ 25 ۉୟ႑တ ................................................................................ 13 ᆌᆩႷኪ ........................................................................................ 26 ! ገ࣑ഗ֡ፕ ............................................................................ 13 ! থࢅںքਆ ............................................................................ 26 ! ఇెࠓ ....................................................................... 13 ! LFCSPӲԨPCBยऺኸళ ................................................... 26 ! ఇె ................................................................................ 14 ! AD7266Ⴀీೠࠚ ................................................................. 26 ఇెስ ....................................................................... 17 ྔႚ٫ ........................................................................................ 27 ! Պஓ ................................................................................ 17 ! ! ࡧڿدຕ ................................................................................ 18 ! ຕጴ ................................................................................ 18 ۩ࠔኸళ ................................................................................ 27 Ⴊ۩૦๏ 200611ሆ—Ⴊ۩Ӳ0Ⴊ۩ӲA Ⴊ߀߭๕ .................................................................................... ཚᆩ 20054ሆ—Ⴊ۩Ӳ0ǖ؛๔Ӳ Ⴊ߀एጚ/և ݴ............................................................... 4 Ⴊ߀4 ............................................................................................. 7 Ⴊ߀ຍᇕև ݴ................................................................................ 11 Ⴊ߀24ࢅֶݴఇ๕և ݴ.......................................................... 15 Ⴊ߀29 ......................................................................................... 16 Ⴊ߀39 ......................................................................................... 21 Ⴊ߀AD7265থ੨ADSP-BF53xև ݴ.......................................... 24 ߸ႎྔႚ٫ ................................................................................ 27 Ⴊ߀۩ࠔኸళ ................................................................................ 27 Rev. A | Page 2 of 28 AD7266 रຍࡀ߭ ݥأଷᆶຫLjTA = TMINTMAXLjVDD = 2.7 V3.6 VLjfSCLK = 24 MHzLjfS = 1.5 MSPSLjVDRIVE = 2.7 V3.6 VǗVDD = 4.75 V 5.25 VLjfSCLK = 32 MHzLjfS = 2 MSPSLjVDRIVE = 2.7 V5.25 VǗ֑ᆩాևएጚۉუई2.5 V ± 1%ྔևएጚۉუ1ă 1 ֖ຕ ۯༀႠీ ࡀ߭ ڇ࿋ ֪ཉॲ/ጀ ႑ሯԲ(SNR)2 71 69 dBLjፌၭኵ dBLjፌၭኵ fIN = 50 kHzኟ၀հǗֶݴఇ๕ fIN = 50 kHzኟ၀հǗࢅ܋ڇ࿁ֶݴఇ๕ ႑భԲ(SINAD)2 70 68 dBLjፌၭኵ dBLjፌၭኵ fIN = 50 kHzኟ၀հǗֶݴఇ๕ fIN = 50 kHzኟ၀հǗࢅ܋ڇ࿁ֶݴఇ๕ ጺၿհ฿ኈ(THD)2 –77 –73 dBLjፌٷኵ dBLjፌٷኵ fIN = 50 kHzኟ၀հǗֶݴఇ๕ fIN = 50 kHzኟ၀հǗࢅ܋ڇ࿁ֶݴఇ๕ –75 dBLjፌٷኵ fIN = 50 kHzኟ၀հ fa = 30 kHz, fb = 50 kHz –88 –88 –88 dBLjۆ႙ኵ dBLjۆ႙ኵ dBLjۆ႙ኵ 11 50 200 33/26 3.5/3 nsLjፌٷኵ psLjۆ႙ኵ psLjፌٷኵ MHzLjۆ႙ኵ MHzLjۆ႙ኵ @ 3 dB, VDD = 5 V/VDD = 3 V @ 0.1 dB, VDD = 5 V/VDD = 3 V 12 ±1 ±1.5 ࿋ LSBLjፌٷኵ LSBLjፌٷኵ ۆ႙ኵ±0.5 LSBǗֶݴఇ๕ ۆ႙ኵ±0.5 LSBǗࢅ܋ڇ࿁ֶݴఇ๕ ±0.99 −0.99/+1.5 LSBLjፌٷኵ LSBLjፌٷኵ ֶݴఇ๕ ࢅ܋ڇ࿁ֶݴఇ๕ ±7 ±2 ±2.5 ±0.5 LSBLjፌٷኵ LSBLjۆ႙ኵ LSBLjፌٷኵ LSBLjۆ႙ኵ ۆ႙ኵ±2 LSB ±2 ±0.5 ±5 ±1 ±2 ±0.5 LSBLjፌٷኵ LSBLjۆ႙ኵ LSBLjፌٷኵ LSBLjۆ႙ኵ LSBLjፌٷኵ LSBLjۆ႙ኵ 0 VVREF 0 V2 × VREF 0VREF 2 × VREF VCM ± VREF/2 VCM ± VREF V ሗොۯༀ(ྷݔSFDR)2 ۙ฿ኈ(IMD)2 ܾၜ ෙၜ ཚڢक़߰ ֑ᄣԍ ০ჽ3 ০۶ۯ3 ০ჽದ3 ඇࠀ୲ټ ୁ܈ ݴՐ୲ ओݥݴ၍Ⴀ2 ֶݥݴ၍Ⴀ2, 4 থܾՊஓ ฿ۙဃֶ ฿ۙဃֶದ ሺᅮဃֶ ሺᅮဃֶದ ܾցஓՊஓ ኟሺᅮဃֶ ኟሺᅮဃֶದ ଭۉೝဃֶ ଭۉೝဃֶದ ሺᅮဃֶ ሺᅮဃֶದ ఇె5 ܋ڇྷݔ T ࿁ֶݴྷݔǖVIN+ − VIN−6 ඇֶݴྷݔǖVIN+ࢅVIN− VIN+ࢅVIN− V V V V Rev. A | Page 3 of 28 RANGEᆅগۉگೝ RANGEᆅগߛۉೝ RANGEᆅগۉگೝ RANGEᆅগߛۉೝ VCM = ࠌఇۉუ7 = VREF/2 VCM = VREF AD7266 ֖ຕ ୁୁۉ ۉඹ एጚ/ 8 एጚۉუ ࿘ۨႠ 2 ۉუው एጚۉუྷݔ ୁୁۉ ۉඹ DCAPAĂDCAPBፆੇ एጚᇸ࿒܈ဣຕ VREFሯำ இड ߛۉუVINH ۉگუVINL ୁۉIIN ۉඹCIN3 இड ۉߛუVOH ۉگუVOL ޝༀୁۉ 3 ޝༀۉඹ Պஓ ገ࣑୲ ገ้࣑क़ 3 ֑ᄣԍഗ֑ण้क़ ཾུ୲ ۉᇸᄲ൱ VDD VDRIVE IDD ኟఇ๕(ৢༀ) ߾ፕጒༀLjfS = 2 MSPS fS = 1.5 MSPS ևۉูݴఇ๕ ඇูۉఇ๕(VDD) ࠀࡼ ኟఇ๕(߾ፕጒༀ) ևৢ(ۉูݴༀ) ඇูৢ(ۉༀ) ࡀ߭ ±1 45 10 ڇ࿋ μALjፌٷኵ pFLjۆ႙ኵ pFLjۆ႙ኵ 2.5 150 50 0.1/VDD ±2 25 10 20 10 20 VLjፌၭኵ/ፌٷኵ ppmLjۆ႙ኵ ppmLjۆ႙ኵ VLjፌၭኵ/ፌٷኵ μALjፌٷኵ pFLjۆ႙ኵ ΩLjۆ႙ኵ ppm/°CLjፌٷኵ ppm/°CLjۆ႙ኵ μV rmsLjۆ႙ኵ 2.8 0.4 ±15 5 VLjፌၭኵ VLjፌٷኵ nALjۆ႙ኵ pFLjۆ႙ኵ VDRIVE − 0.2 VLjፌၭኵ 0.4 VLjፌٷኵ ±1 μALjፌٷኵ 7 pFLjۆ႙ኵ থ(ጲ)ܾ ܾցஓ ֪ཉॲ/ጀ ֑ᄣ้ ԍ้ ፌٷ±0.2% (25°C) 1000ၭ้ ֖९ۆ႙߾ፕ༬Ⴀևݴ ྔևएጚۉუแेᇀᆅগDCAPA/ᆅগDCAPB VIN = 0 VईVDRIVE SGL/DIFF = 1Ljስ0 VVREFྷݔ SGL/DIFF = 0ǗSGL/DIFF = 1Ljስ0 V2 × VREFྷݔ 14 90 110 2 SCLKዜຕ nsLjፌٷኵ nsLjፌٷኵ MSPSLjፌٷኵ 2.7/5.25 2.7/5.25 VLjፌၭኵ/ፌٷኵ VLjፌၭኵ/ፌٷኵ 2.3 6.4 4 500 1 2.8 mALjፌٷኵ mALjፌٷኵ mALjፌٷኵ μALjፌٷኵ μALjፌٷኵ μALjፌٷኵ ຕጴ = 0 VईVDRIVE VDD = 5.25 V VDD = 5.25 VǗۆ႙ኵ5.7 mA VDD = 3.6 VǗۆ႙ኵ3.4 mA ৢༀ TA = −40°C+85°C TA = 85°Cᅜฉ125°C 33.6 2.625 5.25 mWLjፌٷኵ mWLjፌٷኵ μWLjፌٷኵ VDD = 5.25 V VDD = 5.25 V VDD = 5.25 VLjTA = −40°C+85°C 1 ࿒ྷݔ܈ǖ−40°C+125°Că ֖९ຍᇕևݴă ᄣೌሞْ݀؛քक़ঢ়ࡗ֪LjᅜඓԍࢇޙՔጚᄲ൱ă 4 ԍኤ12࿋฿ஓă 5 VIN−ईVIN+ՂႷ๔ዕሞGND/VDDాྷݔă 6 ኍۨܮܔႠీLjVIN− = 0 Vă࠲ᇀVIN−ᆅগྜڦኝྷݔLj൩֖९28ࢅ29ă 7 ඇࠌఇ֖ྷݔ९24ࢅ25ă 8 ᇑᆅগDCAPAईPin DCAPB၎࠲ă 2 3 Rev. A | Page 4 of 28 437.5 ns (SCLK = 32 MHz) ଉײሂǗVDD = 5 V ଉײሂǗVDD = 3 V AD7266 ้Ⴞࡀ߭ ݥأଷᆶຫLjAVDD = DVDD = 2.7 V5.25 VLjVDRIVE = 2.7 V5.25 VLjాև/ྔևएጚۉუ = 2.5 VLjTA = TMAXTMIN1ă 2 ֖ຕ fSCLK 2 tCONVERT tQUIET t2 t3 t4 3 t5 t6 t7 t8 t9 t10 TMINĂTMAX้ڦ၌ኵ 1 4 32 14 × tSCLK 437.5 583.3 30 15/20 20/30 15 36 27 0.45 tSCLK 0.45 tSCLK 10 5 15 30 5 35 ڇ࿋ MHzLjፌၭኵ MHzLjፌၭኵ MHzLjፌٷኵ nsLjፌٷኵ nsLjፌٷኵ nsLjፌٷኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌٷኵ nsLjፌٷኵ nsLjፌٷኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌٷኵ nsLjፌၭኵ nsLjፌၭኵ nsLjፌٷኵ ௮ຎ TA = −40°C+85°C TA = 85°Cᅜฉ125°C tSCLK = 1/fSCLK fSCLK = 32 MHz, VDD = 5 V, fSAMPLE = 2 MSPS fSCLK = 24 MHz, VDD = 3 V, fSAMPLE = 1.5 MSPS زႜ܁ൽຐᇑCSူᅃ߲ူইᄂኮक़ڦፌ้܌क़ VDD = 5 V/3 VLjCSڟSCLKยዃ้क़LjTA = −40°C+85°C VDD = 5 V/3 VLjCSڟSCLKยዃ้क़LjTA = 85°Cᅜฉ125°C ٗCSڟDOUTAࢅDOUTBෙༀ্ᆩڦჽ้क़ SCLKူইᄂࢫڦຕݡ࿚้क़LjVDD = 3 V SCLKူইᄂࢫڦຕݡ࿚้क़LjVDD = 5 V SCLKۉگೝஞ؋܈ SCLKߛۉೝஞ؋܈ SCLKڟຕڦᆶၳԍ้क़LjVDD = 3 V SCLKڟຕڦᆶၳԍ้क़LjVDD = 5 V CSฉืᄂڟDOUTA/DOUTBߛፆੇጒༀ CSฉืᄂူڟইᄂஞ؋܈ SCLKူইᄂڟDOUTA/DOUTBߛፆੇጒༀ SCLKူইᄂڟDOUTA/DOUTBߛፆੇጒༀ 1 ᄣೌሞْ݀؛քक़ঢ়ࡗ֪LjᅜඓԍࢇޙՔጚᄲ൱ăᆶ႑ࡽኸۨtr = tf = 5 ns(10ǁڟ90ǁڦVDD)ժٗ1.6 Vۉೝഐਸ๔ऺ้ă ᆶ้Ⴞࡀ߭ሞ25 pFሜۉඹူ֪ڥăසࡕሜۉඹٷᇀُኵLjՂႷ๑ᆩຕጴ࣐؋ഗई٪ഗă֖९زႜথ੨ևࢅݴ41त42ă 2 ۨܮႠీ၎ܔᇀፌၭSCLKೕ୲ܸჾǗSCLKೕ୲ড้گLjႠీࡀ֑߭ᆩۆ႙ኵă 3 ੵሁ0.4 Vई2.4 VႴ้ڦक़ă Rev. A | Page 5 of 28 AD7266 ਨܔፌۨܮٷኵ 3 ֖ຕ VDD AGND DVDD DGND VDRIVEDGND VDRIVEAGND AVDD DVDD AGNDDGND ఇెۉუAGND ຕጴۉუDGND ຕጴۉუGND VREFAGND ୁۉۉأᇸྔڦඪࢆᆅগ ߾ፕ࿒ྷݔ܈ ٪ئ࿒ྷݔ܈ ࿒ LFCSP/TQFP θJAඤፆ θJCඤፆ ᆅগ࿒܈Ljࡰথ ࣮ୁ࿒(܈10௱30௱) ESD 1 ۨܮኵ −0.3 V+7 V −0.3 V+7 V −0.3 VDVDD −0.3 VAVDD −0.3 V+0.3 V −0.3 V+0.3 V −0.3 VAVDD+ 0.3 V −0.3 V+7 V −0.3 VVDRIVE + 0.3 V −0.3 VAVDD+ 0.3 V 1 ጀᅪLjגฉຎਨܔፌۨܮٷኵీࣷڞዂഗॲᆦ৳Ⴀ ࣋ăኄኻۨܮᆌ૰ኵLjփภतഗॲሞኄၵईඪࢆഄཉ ॲူגԨरຍࡀ߭ኸՔీࠀڦႠ֡ፕăሞਨܔፌٷ ۨܮኵཉॲူ߾ፕࣷᆖၚഗॲڦ੍Ⴀă ESDয়ߢ ±10 mA −40°C+125°C −65°C+150°C 150°C 108.2°C/W (LFCSP) 55°C/W (TQFP) 32.71°C/W (LFCSP) 255°C 1.5 ߛٳ100 mAڦຨༀୁۉփࣷሰׯឋă Rev. A | Page 6 of 28 ESD)ৢߌ௺*ۉݣۉഗॲă ۉټഗॲࢅۉୟӱీࣷሞுᆶִਥڦ൧ူۉݣă ࠶Ԩׂਏᆶጆ૧ईጆᆶԍࢺۉୟLjڍሞᇜీߛڟ ଉESD้Ljഗॲీࣷ࣋ă ᅺُLjᆌ֑ړൽڦړESDٯݔݞแLjᅜՆ௨ഗॲႠీ ူইईࠀీෟ฿ă AD7266 DOUTB A0 CS SCLK AD7266 TOP VIEW (Not to Scale) A1 23 A2 22 SGL/DIFF 21 RANGE 20 DCAP B AGND 6 19 AGND VA1 7 18 VB1 VA2 8 17 VB2 VB3 VB4 12 13 14 15 16 VB5 10 11 VB6 9 VA6 AGND 5 2.ᆅগದዃ(CP-32-2) 24 04603-041 AVDD 3 DCAP A 4 VA3 VA3 VA4 VA5 VA6 VB6 VB5 VB4 VB3 PIN 1 REF SELECT 2 VA5 TOP VIEW (Not to Scale) DGND 1 A1 A2 SGL/DIFF RANGE DCAPB AGND VB1 VB2 VA4 AD7266 24 23 22 21 20 19 18 17 DGND DVDD DOUTA DVDD VDRIVE DOUTA DGND DOUTB SCLK CS A0 32 31 30 29 28 27 26 25 PIN 1 INDICATOR 04603-002 1 2 3 4 5 6 7 8 32 31 30 29 28 27 26 25 9 10 11 12 13 14 15 16 DGND REF SELECT AVDD DCAPA AGND AGND VA1 VA2 VDRIVE ᆅগದዃࢅࠀీ௮ຎ 2.ᆅগದዃ(CP-32-2) 4. ᆅগࠀీ௮ຎ ᆅগՊࡽ 1, 29 ᆅগఁ DGND ௮ຎ ຕጴںăኄAD7266ฉᆶຕጴۉୟڦথںएጚۅăଇ߲DGNDᆅগᆌথڟဣཥڦDGNDೝ௬ăDGND ࢅAGNDۉუሞၙ൧ူᆌԍۉڪ࿋Ljժۉ࿋ֶ(ฯሞຨༀۉუ٪ሞ൧้)փࡗגڥ0.3 Vă 2 REF SELECT ాև/ྔևएጚۉუስăஇडăසࡕُᆅগڟDGNDLjሶADC AࢅADC B๑ᆩೌా2.5 Vएጚۉუፕ ྺएጚᇸăُྔLjᆅগDCAPAࢅDCAPBՂႷڟඁ᳘ۉඹăසࡕREF SELECTᆅগڟஇडߛۉೝLjሶཚࡗDCAPA ࢅ/ईDCAPBᆅগၠAD7266༵ࠃྔևएጚۉუă 3 AVDD ఇెۉᇸۉუLj2.7 V5.25 VăኄAD7266ᆶఇెۉୟྸڦᅃۉᇸۉუăAVDDࢅDVDDۉუሞၙ൧ူ ᆌԍۉڪ࿋Ljժۉ࿋ֶ(ฯሞຨༀۉუ٪ሞ൧้)փࡗגڥ0.3 Văᆌॽُۉᇸඁ᳘AGNDă 4, 20 DCAPA, DCAPB ඁ᳘ۉඹᆅগăඁ᳘ۉඹ)ॺᅱኵ470 nF*থڟኄၵᆅগLjᅜՍܔ၎ᆌADCڦएጚۉუᇸ࣐؋ႜඁ᳘ăස ࡕܔႜ࣐؋LjሶೌాएጚۉუᅜٗኄၵᆅগइڥLjժྔेᇀဣཥڦഄᇆևݴăྔևएጚۉუݔڦ ྷൽਦᇀڦఇెྷݔă 5, 6, 19 AGND ఇెںăAD7266ฉᆶఇెۉୟڦথںएጚۅăᆶఇె႑ࡽࢅඪࢆྔևएጚ႑ࡽۼᆌُ֖AGND ۉუăᆶ3߲AGNDᆅগۼᆌڟဣཥڦAGNDೝ௬ăAGNDࢅDGNDۉუሞၙ൧ူᆌԍۉڪ࿋Ljժ ۉ࿋ֶ)ฯሞຨༀۉუ٪ሞ൧้*փࡗגڥ0.3 Vă 712 VA1 VA6 ADC Aڦఇెăኄၵᆅগದዃྺୃ߲܋ڇཚڢईෙܔኈֶݴఇెཚڢă֖९6ă 1318 VB1 VB6 ADC Bڦఇెăኄၵᆅগದዃྺୃ߲܋ڇཚڢईෙܔኈֶݴఇెཚڢă֖९6ă 21 RANGE 22 SGL/DIFF ఇెྷݔስăஇडăُᆅগڦटႠਦۨఇెཚڦڢྷݔăසࡕُᆅগᇑஇडۉگೝ၎ Ljሶఇెྺྷݔ0 VVREFă ړՎྺۉگೝ้Ljසࡕُᆅগᇑஇडߛۉೝ၎Ljሶఇెྺྷݔ2 × VREFă ၘ൧֖९ఇెስևݴă இडăُᆅগᆩᇀስఇెದዃྺֶ࣏ܔݴದዃྺ܋ڇăஇडۉگೝስֶ߾ݴፕLjஇडߛ ۉೝስ߾܋ڇፕăၘ൧֖९ఇెስևݴă 2325 A0 to A2 ܠୟްᆩഗስăஇडăኄၵᆩᇀስႴᄲཞօገ࣑ڦཚܔڢLj૩සADC AࢅADC Bܾኁڦཚڢ1Ă ADC AࢅADC Bܾኁڦཚڢ2ڪڪăڦཚܔڢᅜଇ߲܋ڇཚڢईଇֶ߲ܔݴăྺକኟඓยዃܠୟްᆩ ഗᅜᆩᇀገ࣑LjႴᄲሞ֑ण้क़ࢅໜࢫ ڦCS ူইᄂኮമยዃኄၵᆅগڦஇडጒༀă߸ܠ႑တ֖९ఇె ስևݴLjܠୟްᆩഗںஓ֖९6ă 26 CS ೌăۉگೝᆶၳஇडăُ༵ࠃଇ߲ࠀీǖഔۯAD7266ڦገ࣑ࢅ๑ీزႜຕኡدă 27 SCLK زႜ้ዓăஇडăزႜ้ዓ༵ࠃᆩᇀݡ࿚AD7266ዐڦຕڦSCLKăُ้ዓᄺᆩፕገ࣑ࡗ้ڦײ ዓᇸă Rev. A | Page 7 of 28 AD7266 ᆅগՊࡽ ᆅগఁ 28, 30 DOUTA, ௮ຎ زႜຕăຕᅜزႜຕୁႚ๕༵ࠃߴ߳ᆅগă߳࿋ሞSCLKူڦইᄂደ߲Ljݡ࿚ຕ Ⴔᄲ14߲SCLKዜă DOUTB ଇ߲ADCཞօገ้࣑Ljຕཞ้၄ሞଇ߲ᆅগฉăຕୁԈઔଇ߲മڞଭLjໜࢫ12࿋ገ࣑ຕăຕ ᅜMSBᆫံݛ๕༵ࠃăසࡕ CS ۉگڦೝጒༀჄ16߲SCLKዜLjܸփ14߲Ljሶሞ12࿋ຕࢫࣷ၄ଇ߲࿂ ໜଭăසࡕ CS ۉگڦೝጒༀምჄDOUTAईDOUTBฉڦ16߲SCLKዜLjሶઠጲଷᅃ߲ADCڦຕࣷ၄ሞDOUT ᆅগฉăኄᄣLjኻႴ๑ᆩᅃ߲زႜ܋੨৽ᅜॽཞօገ࣑ڦଇ߲ADCڦຕᅜزႜ߭๕णዐሞDOUTAई DOUTBฉă֖९زႜথ੨ևݴă 31 VDRIVE இडۉᇸăُᆅগۉڦᇸۉუਦۨஇडথ੨߾ڦፕۉუăᆌॽُᆅগඁ᳘DGNDăُᆅগۉڦუ ᅜᇑAVDDࢅDVDDփཞLjڍփࡗגڥඪࢆᅃኁ0.3 Vᅜฉă 32 DVDD ຕጴۉᇸۉუLj2.7 V5.25 VăኄAD7266ᆶຕጴۉୟۉڦᇸۉუăDVDDࢅAVDDۉუሞၙ൧ူᆌ ԍۉڪ࿋Ljժۉ࿋ֶ)ฯሞຨༀۉუ٪ሞ൧้*փࡗגڥ0.3 Văᆌॽُۉᇸඁ᳘DGNDă Rev. A | Page 8 of 28 AD7266 ۆ႙߾ፕ༬Ⴀ ݥأଷᆶຫLjTA = 25°Că –60 INTERNAL REFERENCE 4096 POINT FFT VDD = 5V, VDRIVE = 3V FSAMPLE = 2MSPS FIN = 52kHz SINAD = 71.4dB THD = –84.42dB DIFFERENTIAL MODE –10 –70 –30 EXTERNAL REFERENCE –50 (dB) PSRR (dB) –80 –90 –70 –100 200 400 600 800 1000 1200 1400 1600 1800 2000 SUPPLY RIPPLE FREQUENCY (kHz) –110 0 100 200 300 4. ۉᇸᅞԲ(PSRR)ᇑۉᇸ࿖հೕ୲࠲ڦဣLjۉᇸඁ᳘ 1.0 VDD = 5V 0.8 –60 0.6 –65 0.4 DNL ERROR (LSB) –55 –70 –75 –80 –85 –0.4 –0.8 200 300 400 500 600 700 NOISE FREQUENCY (kHz) 800 900 1000 VDD = 5V, VDRIVE = 3V DIFFERENTIAL MODE –0.2 –95 100 –1.0 0 500 1000 VDD = 5V DIFFERENTIAL MODE 1500 2000 2500 CODE 3000 3500 4000 8. ۆ႙DNL 5. ཚڢक़߰ 74 1000 0 –0.6 0 900 0.2 –90 –100 800 7. FFT 04603-004 ISOLATION (dB) –50 400 500 600 700 FREQUENCY (kHz) 04603-007 0 04603-003 –120 100mV p-p SINE WAVE ON AVDD NO DECOUPLING SINGLE-ENDED MODE 04603-006 –90 –110 1.0 RANGE = 0 TO VREF VDD = 5V, VDRIVE = 3V DIFFERENTIAL MODE 0.8 72 0.6 VDD = 3V DIFFERENTIAL MODE INL ERROR (LSB) 0.4 68 66 64 0.2 0 –0.2 –0.4 –0.6 62 0 500 1000 1500 2000 INPUT FREQUENCY (kHz) 2500 3000 6. փཞۉᇸۉუူ႑భԲ(SINAD)ᇑఇెೕ୲࠲ڦဣ –1.0 0 500 1000 1500 2000 2500 CODE 9. ۆ႙INL Rev. A | Page 9 of 28 3000 3500 4000 04603-008 60 –0.8 04603-005 SINAD (dB) 70 AD7266 1.0 0.8 NO. OF OCCURRENCES POSITIVE INL 0.2 0 NEGATIVE INL –0.4 –0.6 7000 6000 5000 4000 3000 2000 NEGATIVE DNL –0.8 0 0.5 1.0 1.5 2.0 2.5 VREF (V) 0 2046 2049 2050 13. ֶݴఇ๕ူ10kᄣԨڦஓጴݛ 12.0 10000 11.5 9000 11.0 INTERNAL REFERENCE SINGLE-ENDED MODE 9984 CODES 8000 10.0 VDD = 3V SINGLE-ENDED MODE 9.5 9.0 VDD = 3V DIFFERENTIAL MODE 8.5 VDD = 5V DIFFERENTIAL MODE 7000 6000 5000 4000 3000 8.0 2000 7.5 1000 0 0.5 1.0 1.5 2.0 2.5 3.0 VREF (V) 3.5 4.0 4.5 5.0 5 CODES 0 2046 2047 11 CODES 2048 2049 04603-042 NO. OF OCCURRENCES VDD = 5V SINGLE-ENDED MODE 10.5 04603-010 EFFECTIVE NUMBER OF BITS 2048 CODE 10. ၍ႠဃֶᇑVREF ࠲ڦဣ 7.0 2047 04603-012 1000 04603-009 –1.0 DIFFERENTIAL MODE 10000 CODES 8000 0.4 –0.2 INTERNAL REFERENCE 9000 POSITIVE DNL 0.6 LINEARITY ERROR (LSB) 10000 VDD = 3V/5V DIFFERENTIAL MODE 2050 CODE 11. ᆶၳ࿋ຕᇑVREF ࠲ڦဣ 14. ܋ڇఇ๕ူ10kᄣԨڦஓጴݛ 2.5010 –60 2.5005 –65 –70 2.5000 VREF (V) –75 CMRR (dB) 2.4995 2.4990 –80 –85 –90 2.4985 20 40 60 80 100 120 140 CURRENT LOAD (A) 160 180 200 12. VREF ᇑएጚୁۉൻ࠲ڦۯဣ –100 0 200 400 600 800 RIPPLE FREQUENCY (kHz) 1000 15. ࠌఇᅞԲ(CMRR)ᇑࠌఇ࿖հೕ୲࠲ڦဣ Rev. A | Page 10 of 28 1200 04603-011 –95 0 04603-011 2.4980 DIFFERENTIAL MODE VDD = 3V/5V AD7266 ຍᇕ ྲݥݴ၍Ⴀ(DNL) ႑భԲ)SINAD* ྲݥݴ၍ႠኸADCዐඪᅪଇ߲၎ତஓኮक़֪ڥՎࣅኵ ᇑၙڦ1 LSBՎࣅኵኮक़ֶڦᅴă ႑భԲኸሞADCڦڥ֪܋႑ࡽܔሯำत฿ኈԲăኄ ڦ႑ࡽएհڦޗߵݛኵăሯำྺᆶ֑ڟٳᄣೕ୲ ᅃӷDŽfS/2Ljୁ႑ࡽྔأDžݥڦएհ႑ࡽኮࢅăሞຕጴ ࣅࡗײዐLjኄ߲ԲኵٷڦၭൽਦᇀଉࣅपຕLjଉࣅपຕሁ ܠLjଉࣅሯำ৽ሁၭăܔᇀᅃ߲ኟ၀հڦၙN࿋ገ ࣑ഗLj႑భԲኵஃኵऺ໙ࠅ๕ྺǖ ओݥݴ၍Ⴀ)INL* ओݥݴ၍ႠኸADCࡧڿدຕᇑᅃཉཚࡗADCࡧڿدຕ܋ ڦۅ၍ڦፌٷೋֶăࡧڿدຕᆶଇ߲ۅ܋Ljഐۅሞگᇀ ڼᅃ߲ஓገ࣑ڦ1 LSBڦتଭۉೝLjዕۅሞߛᇀፌࢫᅃ߲ஓ ገ࣑ڦ1 LSBڦتଉײă SINAD = (6.02 N + 1.76) dB ฿ۙဃֶ ᅺُLj12࿋ገ࣑ഗڦ႑భԲஃኵྺ74dBă ฿ۙဃֶᆩᇀথܾՊஓݛ๕ăኸڼᅃ߲ ஓገ࣑DŽ00 . . . 000ڟ00 . . . 001Džᇑၙኵ(AGND + 1 LSB) ڦೋֶă ጺၿհ฿ኈ)THD* ጺၿհ฿ኈኸᆶၿհࢅߵݛᇑएհڦԲኵăܔᇀ AD7266Ljഄۨᅭྺ ฿ۙဃֶದ ฿ۙဃֶದኸᆶ12߲ཚڦڢ฿ۙဃֶֶڦኵă THD(dB) 20 log ሺᅮဃֶ ሺᅮဃֶᆩᇀথܾՊஓݛ๕ăኸၯኟ฿ ۙဃֶኮࢫLjፌࢫᅃ߲ஓገ࣑DŽ111 . . . 110ڟ111 . . . 111Dž ᇑၙኵ(VREF − 1 LSB)ڦೋֶăሺᅮဃֶփԈઔएጚᇸဃ ֶă ሺᅮဃֶದ V2 2 V3 2 V4 2 V5 2 V6 2 V1 ഄዐǖ V1एհޗኵڦߵݛኵă V2ĂV3ĂV4ĂV5तV6ْْܾୃڟၿհޗኵڦߵݛኵă ރኵၿհईሗොሯำ! ሺᅮဃֶದኸᆶ12߲ཚڦڢሺᅮဃֶֶڦኵă ଭۉೝဃֶ ଭۉೝဃֶᆩᇀ2 × VREFܾڦူྷݔցஓՊ ஓݛ๕Lj૩සǖྺྷݔ−VREF+VREFLjሞVREFۅೋ ዃăӷଉײገ࣑DŽඇ1ڟඇ0DžᇑၙVINۉუ(VREF)ڦ ೋֶă ଭۉೝဃֶದ ଭۉೝဃֶದኸᆶ12߲ཚڦڢଭۉೝဃֶֶڦኵă ኟሺᅮဃֶ ኟሺᅮဃֶᆩᇀ2 × VREFܾڦူྷݔցஓՊ ஓݛ๕Lj૩සǖྺྷݔ−VREF+VREFLjሞVREFۅೋ ዃăኸၯኟଭۉೝဃֶኮࢫLjፌࢫᅃ߲ஓገ࣑DŽ011 …110ڟ011…111Džᇑၙኵ(+VREF − 1 LSB)ڦೋֶă ֑ᄣԍഗ֑ण้क़ ֑ᄣԍٷݣഗሞገ࣑ຐࢫ࣬ް߶ጷఇ๕ă֑ᄣԍ֑ ण้क़ገ࣑ຐࢫLj֑ᄣԍٷݣഗڟٳፌዕኵ DŽሞ±1/2 LSBాDžႴ้ڦक़ă ރኵၿհईሗොሯำኸሞADCೕDŽፌߛٳfS/2Lj ୁ႑ࡽྔأDžዐLjူᅃ߲ፌݴٷଉڦߵݛኵᇑएհ ߵݛኵڦԲăཚ൧ူLjُ֖ຕኵᆯೕాڦፌٷၿհ ਦۨLjܔڍᇀၿհჷுᇀԨڹሯำాڦADCLjྺሯำރ ኵă ཚڢक़߰! ཚڢक़࢚߰ଉཚڢኮक़زڦඡೝăཚࡗၠᆶ࿄ۨ ڦཚڢแेᅃ߲ଉײDŽVDD= 5 V้ྺ2 × VREF-VDD = 3 V ้ྺVREFDžĂ10 kHzኟ၀հ႑ࡽLjժਦۨ႑ࡽሞۨཚڢ ాໜ50 kHz႑ࡽDŽ0 VVREFDžڦປ३܈ײઠ֪ଉăڥ ࡕྺAD7266ᆶ12߲ཚڦڢፌֶ൧ࡕă ۙ฿ኈ! ړᆯଇ߲ೕ୲ݴ՚ྺfaࢅfbڦኟ၀հፇ้ׯLjඪࢆݥ ၍Ⴀᆶᇸഗॲࣷۼᅜࢅᇑֶೕmfa ± nfbDŽഄዐm, n = 0, 1, 2, 3…Džڦႚ๕ׂิ฿ኈओăۙ฿ኈၜڦmࢅnۼփڪᇀ0ă ૩සLjܾၜԈઔ(fa + fb)ࢅ(fa − fb)LjܸෙၜԈઔ(2fa + fb)Ă(2fa − fb)Ă(fa + 2fb)ࢅ(fa − 2fb)ă Rev. A | Page 11 of 28 AD7266 AD7266ঢ়ࡗCCIFՔጚ֪LjُՔጚ๑ᆩፌٷټ ৎڦଇ߲ೕ୲ăሞُ൧ူLjܾၜೕ୲ཚᇺ؛ ๔ኟ၀հLjܸෙၜೕ୲ཚ੍ৎೕ୲ăᅺُLjܾ ၜࢅෙၜႴݴ՚ኸۨăۙ฿ኈߵTHD֖ຕઠऺ໙Lj ߲՚฿ኈओڦࢅߵݛᇑएհࢅޗڦኵڦߵݛԲ ኵLjᆩdB๖ă ࠌఇᅞԲ)CMRR* ࠌఇᅞԲۨᅭྺଉײೕ୲fူADC୲ࠀᇑೕ୲fSူ แेᇀࠌఇۉუVIN+ࢅVIN−ڦ100 mVރރኵኟ၀հࠀ୲ڦԲ ኵǖ CMRR (dB) = 10 log(Pf/PfS) ഄዐǖ Pfሞೕ୲fူADCڦ୲ࠀă PfSሞೕ୲fSူADCڦ୲ࠀă ۉᇸᅞԲ)PSRR*! ۉᇸՎࣅࣷᆖၚገ࣑ഗڦଉײገ࣑Ljڍփࣷᆖၚഄ၍ ႠăۉᇸᅞᆯᇀۉᇸۉუೋՔኵᆅഐڦፌٷ ଉײገ࣑ۅՎࣅDŽ९5Džă! ඤው! ඤውۨᅭྺഗॲঢ়૦ᅜူ࿒܈თ࣍ࢫLjएጚۉუڦਨ ܔፌٷՎࣅǖ! T_HYS+ = +25°C TMAX +25°C ईኁ T_HYS− = +25°C TMIN +25°C ඤውᆩqqn๖ǖ VHYS ppm VREF 25C VREF T _ HYS 106 VREF 25C ഄዐǖ VREF!(25°C)ྺ36°C้ڦWSFGă VREF!(T_HYS)ྺWSFGሞU`IZT,ईU`IZT−ူڦፌٷՎࣅă Rev. A | Page 12 of 28 AD7266 ߾ፕᇱ ۉୟ႑တ AD7266ᅃĂྲࠀࡼĂມࢃ12࿋ADCLj֑ᆩ2.7 V 5.25 Vۉڇᇸࠃۉăᅜ5 VۉᇸĂ32 MHz้ዓ߾ፕ้LjAD7266 ུཾڦ୲ٳ2 MSPSǗᅜ3 Vۉᇸ߾ፕ้Ljཾུ୲ ٳ1.5 MSPSă AD7266ದᆶ2߲ೌాֶ֑ݴᄣԍٷݣഗĂ2߲ደْৎ႙ ADCĂ1߲زႜথ੨त2߲܀૬ຕᆅগă֑ᆩ32ᆅ গLFCSPईTQFPހጎLjᇑഄਦݛӄ၎ԲLjݥবู क़ăزႜ้ዓݡ࿚ഗॲዐڦຕLjᄺၠ߳ደْৎ႙ ADC༵ࠃ้ዓᇸăഄఇెስ0 VVREFई2 × VREFݔ ྷLjժದዃྺ܋ڇईֶݴఇెăAD7266ᆛᆶ2.5 V ాೌڦएጚۉუLjႴᆩྔևएጚۉუ้Ljُࡗגኵăස ࡕဣཥഄݛںႴᄲ๑ᆩాևएጚۉუLjሶံՂႷ࣐؋ ă ړADCഔۯገ࣑)९17*้LjSW3ਸLjܸSW1ࢅSW2ᅎ ࿋ዃBLj๑ڥԲডഗՎڥփೝ࢚ăᅃڋገ࣑ਸ๔Ljଇ߲ ࣷਸă੦இडࢅࢁۉምݴದDACᅜेฉࢅ३ ඁ֑ᄣۉඹንଚዐࢁۉۨࠦڦຕଉLj๑ڥԲডഗ࣬ްڟೝ ࢚ጒༀăړԲডഗዘႎೝ࢚ࢫLjገ࣑৽ᅙঢ়ྜׯă੦இ डׂิADCڦپஓăጀᅪኄൻۯVIN+ࢅVIN-ᆅগ ڦᇸፆੇᅃۨᄲದLjޏሶଇ߲ॺڦ૬้क़փཞ ࣷڞዂٱဃă CAPACITIVE DAC CS B VIN+ VIN– A SW1 A SW2 CS COMPARATOR SW3 CONTROL LOGIC VREF CAPACITIVE DAC 04603-014 B AD7266࣏༵ࠃูۉၜLjሞଇْገ࣑क़ဤูۉጒ ༀăูۉ༬ႠཚࡗՔጚزႜথ੨ํ၄Ljၘ९߾ፕఇ๕և ݴă 17. ADCገ࣑ ገ࣑ഗ֡ፕ AD7266ਏᆶ2߲ደْৎ႙ADCLj߳ADCएᇀ2߲ඹႠ DACă16ࢅ17ݴ՚ྺኄၵADC֑ڦᄣࢅገ࣑ ०ăADCᆯ੦இडĂᅃ߲SARࢅଇ߲ඹႠDACፇׯă ሞ႑ࡽ֑ᄣLjස16๖LjSW3ԿࢇLjSW1ࢅSW2ۼ ዃᇀAฉLjԲডഗԍሞೝ࢚ጒༀLj֑ᄣۉඹንଚ؊ۉLj ֑णݴֶڦ܋႑ࡽă CS B A SW2 CS COMPARATOR SW3 CONTROL LOGIC B VREF CAPACITIVE DAC 27/!BED֑ᄣ 04603-013 VIN– A SW1 ֶݴ/࿁ֶݴఇ๕ူLjAD7266ڦఇెࠓڪၳۉୟස 18๖ă܋ڇఇ๕ူLjVIN−ాևথAGNDăዐ4߲ܾट ࠶ྺఇె༵ࠃESDԍࢺăൎऻLjఇె႑ࡽਦփీ ࡆۉࠃࡗג300mVᅜฉLjޏሶࣷሰׯኄၵܾट࠶ኟೋLjժ ਸ๔ၠएӱాୁۉڞدăኄၵܾट࠶ڞཚୁۉڟٳ 10mALjܸփࣷڞዂփ࣬ްڦഗॲ࣋ă 18ዐLjۉඹC1ۆ႙ኵྺ4 pFLjएԨฉԥࡃຌྺᆅগसิ ۉඹăۉፆᆯਸ࠲ፆੇࠓڦׯणጺᇮॲăۉፆۆ႙ኵྺ 100 ΩፑᆸǗۉඹC2ྺADC֑ᄣۉඹLjۆ႙ኵྺ45 pFă CAPACITIVE DAC VIN+ ఇెࠓ ሞୁᆌᆩ้Ljॺᅱሞ၎ᆌڦఇెᆅগᆩᅃ߲RCگཚ ୳հഗઠ୳أఇె႑ࡽߛڦೕݴׯLjፌॅኵྺ47 Ωࢅ 10 pFăሞܔၿհ฿ኈࢅ႑ሯԲᄲ൱ჹ߭ڦᆌᆩዐLjఇె ᆌ֑ᆩᅃ߲گፆੇᇸႜൻۯăߛᇸፆੇࣷ၂ዸᆖၚ ADCڦୁႠీLjժీᄲ൱ᆩᅃ߲࣐؋ٷݣഗă ཚߵਏ༹ᆌᆩઠስሏ໙ٷݣഗă Rev. A | Page 13 of 28 AD7266 VDD D R1 C2 VIN+ C1 21ྺ߳ዖۉᇸཉॲĂ2MSPS֑ᄣ୲ူTHDᇑఇె ೕ୲࠲ڦဣăഄዐLjᇸፆੇྺ47Ωă –50 D FSAMPLE = 1.5MSPS/2MSPS VDD = 3V/5V –55 RANGE = 0 TO VREF VDD D –65 THD (dB) R1 C2 VIN– C1 VDD = 3V SINGLE-ENDED MODE –60 04603-015 D –70 VDD = 3V DIFFERENTIAL MODE –75 –80 –85 փᆩٷݣഗઠൻۯఇె้܋Ljᆌॽᇸፆੇ၌ሞডگ ڦኵăፌڦٷᇸፆੇൽਦᇀඹႹڦጺၿհ฿ኈ(THD)ă ጺၿհ฿ኈໜጣᇸፆੇڦሺेܸሺٷLjܸٗ๑ADCႠ ీူইă19ྺփཞᇸፆੇĂ܋ڇఇ๕ူTHDᇑఇె ႑ࡽೕ୲࠲ڦဣLj20ྺփཞᇸፆੇĂֶݴఇ๕ူTHD ᇑఇె႑ࡽೕ୲࠲ڦဣă –50 FSAMPLE = 1.5MSPS VDD = 3V –55 RANGE = 0V TO V REF RSOURCE = 300 RSOURCE = 100 200 300 400 INPUT FREQUENCY (kHz) –65 AD7266ࠌᆶ12ୟఇెă߲ೌాADCۼᆶ6ୟఇె Ljᅜॽഄದዃྺୃ߲܋ڇཚڢĂෙ߲࿁ֶݴཚڢईෙ ߲ඇֶݴཚڢăኄᅜӀቷఇెስևݴຎႜ ስă 500 600 +2.5V R THD (dB) 0V RSOURCE = 300 –1.25V VIN 0V R 3R VA1 AD72661 VB6 DCAP A/DCAP B R RSOURCE = 0 –70 1000 ఇె +1.25V FSAMPLE = 1.5MSPS VDD = 3V RANGE = 0V TO VREF 900 32/!փཞۉᇸۉუူUIEᇑఇెೕ୲࠲ڦဣ 19. ߳ዖᇸፆੇĂ܋ڇఇ๕ူTHDᇑఇెೕ୲࠲ڦဣ –60 800 04603-016 RSOURCE = 10 100 300 400 500 600 700 INPUT FREQUENCY (kHz) සࡕᄲ֑ᄣڦఇె႑ࡽྺມटႠLjሶᅜ૧ᆩADCڦ ాևएጚۉუٗྔև๑ُ႑ࡽ݀ิೋዃLjᅜՍਏᆶࢇ ADCڦኟඓ߭๕ă22၂๖ADCሞ܋ڇఇ๕ူ߾ፕ้ۆڦ ႙থă RSOURCE = 47 –80 0 200 RSOURCE = 100 0.47μF –75 –80 RSOURCE = 47 1ADDITIONAL –85 33/!܋ڇఇ๕থ! 0 100 200 300 400 500 600 700 INPUT FREQUENCY (kHz) 800 900 1000 04603-017 RSOURCE = 10 –90 PINS OMITTED FOR CLARITY. 20. ߳ዖᇸፆੇĂֶݴఇ๕ူTHDᇑఇెೕ୲࠲ڦဣ Rev. A | Page 14 of 28 04603-019 THD (dB) RSOURCE = 0 –70 –90 100 AD7266ጺࠌᅜᆶ12߲܋ڇఇెཚڢăሞ႑ࡽᇸਏᆶ ߛፆੇڦᆌᆩዐLjॺᅱံܔఇెႜ࣐؋Ljምॽഄแ ेᇀADCăఇెྷݔᅜཚࡗՊײยዃྺ0V REFई 02 × VREFă –65 –85 0 VDD = 5V DIFFERENTIAL MODE ܋ڇఇ๕ –60 –75 –90 VDD = 5V SINGLE-ENDED MODE 04603-018 18. ڪၳఇెۉୟǖገ࣑—ਸ࠲ਸLj ֑ᄣ—ਸ࠲Կࢇ AD7266 3.5 ֶݴఇ๕ VIN+ AD72661 COMMON MODE VOLTAGE VREF p-p 2.5 2.0 1.5 1.0 0.5 VIN– 1ADDITIONAL PINS OMITTED FOR CLARITY. 04603-020 0 0 0.5 1.0 1.5 2.0 2.5 3.0 VREF (V) 3.5 4.0 4.5 5.0 04603-021 VREF p-p 3.0 COMMON-MODE RANGE (V) AD7266ጺࠌᅜᆶ6ݴֶܔఇెă ֶݴ႑ࡽሞగၵݛ௬ᆫᇀ܋ڇ႑ࡽLj૩සǖएᇀഗॲࠌఇ ᅞ ੇ ڦඡ ߛ ߸ ܈Lj ܸ ฿ ኈ Ⴀ ీ ߸ ॅ ă 23ۨ ᅭ କ AD7266ڦඇֶݴఇెă TA = 25°C 24. ࠌఇۉუྷݔᇑVREF ࠲ڦဣDŽ0VREF ྷݔLjVDD = 5 VDž 23. ֶݴۨᅭ 5.0 TA = 25°C 4.5 4.0 COMMON-MODE RANGE (V) ֶݴ႑ࡽޗڦኵྺֶ߳ܔݴዐᆅগVIN+ࢅᆅগ VIN−ڦ႑ࡽֶኵDŽनVIN+ − VIN−DžăVIN+ࢅVIN−ᆌ֑ᆩଇ ߲၎࿋၎ֶ180°ڦ႑ࡽཞ้ൻۯLj߳႑ࡽޗڦኵྺVREF )ई2 × VREFLjൽਦᇀ*ྷݔڦăᅺُLjֶݴ႑ࡽޗڦኵ ྺ−VREF+VREFރރኵDŽ2 × VREFLj्ยስ0VREFݔ ྷ*Ljᇑࠌఇۉუ(CM)࠲ă ࠌఇۉუኄଇ߲႑ࡽڦೝኵǖ (VIN+ + VIN−)/2 3.5 3.0 2.5 2.0 1.5 1.0 0 ᅺُLjࠌఇۉუྺኄଇୟڦዐ႐ۉუă ኄ๑߳ڥྺྷݔڦCM ± VREF/2ăኄᅃۉუՂႷሞྔև ยۨLjժྷݔڦໜጣएጚۉუኵVREFܸՎࣅăVREF ኵሺ้ٷLjࠌఇྷݔၭă֑ᆩٷݣഗൻۯ้Ljํा ࠌఇྷݔᆯٷݣഗڦۉუӦޗਦۨă 24ࢅ25ݴ՚၂๖5 VۉᇸĂ0VREFࢅྷݔ2 × VREFྷݔ ူLjࠌఇྷݔཚසࢆໜVREFܸՎࣅăྺକԍኤAD7266ڦ ࠀీLjࠌఇۉუՂႷሞُాྷݔă ገ࣑݀ิ้LjࠌఇڟᅞLjׂิڦ႑ࡽबࢭሯำLj ഄޗኵྺྷݔ−VREF+VREFLjᇑຕጴஓ04096၎ܔᆌăස ࡕ๑ᆩ2 × VREFྷݔLjሶገ࣑ࢫ႑ࡽޗኵྺྷݔ−2 VREF +2 VREFă 0 0.5 1.0 1.5 VREF (V) 2.0 2.5 04603-022 0.5 25. ࠌఇۉუྷݔᇑVREF ࠲ڦဣDŽ2 × VREF ྷݔLjVDD = 5 VDž ൻݴֶۯ ֶ߾ݴፕᄲ൱֑ᆩଇ߲ޗኵ၎ڪĂ၎࿋၎ֶ180°ڦ႑ࡽཞ ้ൻۯVIN+ࢅVIN−ăࠌఇۉუՂႷሞྔևยዃăࠌఇྷݔ ᆯV REF Ăۉᇸࢅᆩઠൻۯఇెڦ༬ۨٷݣഗࠌཞਦ ۨăஃୁ࣏ୁLjֶ߾ݴፕఇ๕ሞ ডڦೕ୲ࠃ༵ాྷݔፌॅڦጺၿհ฿ኈ(THD)Ⴀీăժ ݥᆶᆌᆩࣷۼᇨံۙ႑ࡽᅜࠃֶ֡ݴፕLjᅺُঢ়Ⴔ ᄲኴႜ܋ڇֶݴገ࣑ă Rev. A | Page 15 of 28 AD7266 ๑ᆩሏ໙ٷݣഗܔ ࿁ֶݴఇ๕ ᅜ૧ᆩᅃሏ໙ٷݣഗܔLjॽֶݴ႑ࡽথ᳘ࢇAD7266 ఇెܔኮᅃă26ࢅ27๖ۉڦୟದዃݴ՚ຫස ࢆ๑ᆩᅃ߲ມཚڢሏ໙ٷݣഗLjॽມटႠࢅڇटႠ܋ڇ ႑ࡽገ࣑ྺֶݴ႑ࡽă AD7266ጺࠌᅜᆶ6ܔ࿁ֶݴఇెăኄዖఇ๕ူLj VIN+ڟ႑ࡽᇸLjഄޗኵՂႷྺVREFDŽई2 × VREFLjൽਦᇀ ྷݔڦDžLjᅜՍ૧ᆩഗॲڦኝ߲ۯༀྷݔăᅃ߲ୁ แेᇀVIN−ᆅগăแेᇀُۉڦუྺVIN+༵ ࠃᅃ߲ںܔ฿ۙۉუईᅃ߲࿁ۉںუă࿁ֶݴتࡻڦ ሞᇀLjఇె႑ࡽںᇑADCݴںLjܸٗᅜൽၩୁ ࠌఇۉუă࿁ֶݴఇ๕ူVIN−ᆅগۆڦ႙ۉუྷݔස28 ࢅ29๖ă30၂๖࿁ֶݴఇ๕ڦথă แेᇀAۉڦۅუยዃࠌఇۉუăଇޗዐLjAۅᅜగዖ ݛ๕ᇑएጚۉუᇸ၎LjڍႴጀᅪLjُتᅜᆩࠌఇྷݔ ాڦඪࢆኵઠยዃࠌఇۉუăAD8022ᅃࢇڦມཚڢ ሏ໙ٷݣഗLjᅜᆩሞُದዃዐྺAD7266༵ࠃֶݴൻۯă ስሏ໙ٷݣഗႴัLjᆌߵႴۉڦᇸࢅဣཥႠీణ Քႜስă26ࢅ27ዐڦൻۉۯୟኍܔᄲ൱ፌॅ฿ኈ Ⴀీڦୁ᳘ࢇᆌᆩႜକᆫࣅă 27๖ݴֶڦሏݣൻۯഗۉୟᆩᇀॽ܋ڇĂ֖ںDŽມ टႠDž႑ࡽገ࣑ྺֶݴ႑ࡽLjժኴႜۉೝገ࣑Lj๑इڥ ݴֶڦ႑ࡽዐኵ࿋ᇀADCڦVREFۉೝă TA = 25°C 0.8 0.6 VIN– (V) 26๖ۉڦୟದዃॽᅃ߲ڇटႠ܋ڇ႑ࡽገ࣑ྺᅃֶ߲ ݴ႑ࡽă 1.0 0.4 0.2 0 2 × VREF p-p VREF 3.75V 220 440 V+ 27 –0.4 2.5V 1.25V VIN+ GND AD72661 V+ 27 A 0.5 1.0 1.5 VREF (V) 2.0 2.5 3.0 28. ࿁ֶݴఇ๕ူVIN −ۉუྷݔᇑVREF ࠲ڦဣ(VDD = 3 V) V– 220 220 0 04603-043 –0.2 3.75V 2.5V 1.25V 2.5 TA = 25°C 2.0 VIN– DCAP A/DCAP B V– 10k 1.5 1ADDITIONAL PINS OMITTED FOR CLARITY. VIN– (V) 04603-023 0.47μF 1.0 0.5 26. ॽᅃ߲ڇ܋ڇटႠ႑ࡽገ࣑ྺᅃֶ߲ݴ႑ࡽڦມཚڢሏ໙ٷݣഗۉୟ 0 GND 3.75V 220 440 V+ 27 2.5V 1.25V –0.5 VIN+ AD72661 V– 220k 0.5 1.0 1.5 2.0 2.5 3.0 VREF (V) 3.5 4.0 4.5 5.0 29. ࿁ֶݴఇ๕ူVIN −ۉუྷݔᇑVREF ࠲ڦဣ(VDD = 5 V) 220 220 3.75V V+ 27 A 0 2.5V 1.25V VIN– DCAP A/DCAP B VREF p–p AD72661 VIN+ V– 10k 0.47μF PINS OMITTED FOR CLARITY. DC INPUT VOLTAGE VIN– VREF 0.47μF 27. ॽᅃ߲܋ڇມटႠ႑ࡽገ࣑ྺᅃֶ߲ڇݴटႠ႑ࡽڦມཚڢሏ໙ٷݣഗۉୟ 1ADDITIONAL PINS OMITTED FOR CLARITY. 41/!࿁ֶݴఇ๕থ Rev. A | Page 16 of 28 04603-025 1ADDITIONAL 04603-024 20k 04603-044 2 × VREF p-p AD7266 ఇెስ AD7266ڦఇెᅜཚࡗSGL/ DIFFஇडᆅগದዃྺ܋ڇ ईኈֶݴLjස31๖ăසࡕُᆅগᇑஇडۉگೝ၎ Ljሶ߳ೌాADCڦఇెཚڢยዃྺෙܔኈֶݴ ăසࡕُᆅগᇑஇडߛۉೝ၎Ljሶ߳ೌాADCڦఇె ཚڢยዃྺୃୟ܋ڇఇెăُᆅগႴڦஇडۉ ೝႴᄲሞ֑ण้क़ኮമॺ૬Ljժሞገ้࣑क़ాԍփ ՎLj֑ڟᄣԍഗ߶࣮ݓጷጒༀă֑ᄣԍഗሞ CS ူই ᄂኮࢫSCLKڼڦ13߲ฉืᄂ߶࣮ݓጷጒༀDŽ९41Džăස ࡕُᆅগۉڦೝ߀ՎLjAD7266ॽࣷ݀၄ǗᅺُLj֑ᄣࢅገ ࣑क़ՂႷԍཞᅃஇडۉೝLjᅜ௨೦࣋ኟሞႜڦገ ࣑ă૩සLjሞ31ዐLjSGL/ DIFF ᆅগሞ֑ᄣࢅገ࣑क़ย ྺஇडߛۉೝLjᅺܸܔᇀገ࣑DŽ֑ᄣۅADžLjఇె ದዃྺ܋ڇăሞ֑ᄣԍഗ߶࣮ݓጷጒༀኮࢫLjժ ሞူᅃ߲֑ᄣDŽۅBDžႴ֑ڦण้क़ኮമLjSGL/ DIFF ڦ இडۉೝՎྺۉگೝǗᅺܸܔᇀገ࣑Ljఇెದዃྺ ֶݴă tACQ 1 14 ཚࡗRANGEᆅগስAD7266ڦఇెྷݔǖ0 VVREF ई0 V2 × VREFăስ݆ݛᇑSGL/ DIFF ᆅগ၎ຼLjᄺ CS ሞူইᄂኮമ้ڦक़tacqยዃRANGEᆅগڦஇडጒༀă ࢫLjሞSCLKڼڦෙ߲ူইᄂኮࢫLjᅜ߀Վُᆅগڦஇड ۉೝăසࡕُᆅগᇑஇडۉگೝ၎Ljሶఇెྷݔ ስྺ0 VVREFăසࡕُᆅগᇑஇडߛۉೝ၎Ljሶఇె ྷݔስྺ0 V2 × VREFă Պஓ AD7266ՊஓยዃྺܾցஓईথܾLjਏ༹ ൽਦᇀྺገ࣑ܸስڦఇెದዃă5၂๖କ߳ዖ ీڦఇెದዃᆩڦՊஓݛӄă 5. AD7266Պஓ B A CS ཞօገ࣑ཚڢᆯܠୟްᆩഗںᆅগA0A2ስăኄ ၵᆅগڦஇडጒༀᄺႴᄲሞ֑ण้क़ኮമॺ૬ǗփࡗLjኻ ᄲఇ๕փՎLjഄஇडጒༀ৽ᅜሞገ้࣑क़ా߀Վă૩ සLjසࡕఇ๕ٗඇֶݴՎྺ࿁ֶݴLjሶ֑ण้क़ॽٗۅ ਸ๔ዘႎऺ้ăཚڦڢஓස6๖ă 1 14 04603-026 SCLK SGL/DIFF 31. ስֶݴई܋ڇದዃ ྷݔ 0 V VREF 0 V 2 × V REF 0 V VREF 0 V 2 × V REF 0 V VREF 0 V 2 × V REF SGL/ DIFF DIFF DIFF SGL SGL PSEUDO DIFF PSEUDO DIFF 7/!ఇెૌ႙ࢅཚڢስ SGL/DIFF 1 1 1 1 1 1 0 0 0 0 0 0 A2 0 0 0 0 1 1 0 0 0 0 1 1 A1 0 0 1 1 0 0 0 0 1 1 0 0 A0 0 1 0 1 0 1 0 1 0 1 0 1 VIN+ VA1 VA2 VA3 VA4 VA5 VA6 VA1 VA1 VA3 VA3 VA5 VA5 ADC A VIN− AGND AGND AGND AGND AGND AGND VA2 VA2 VA4 VA4 VA6 VA6 VIN+ VB1 VB2 VB3 VB4 VB5 VB6 VB1 VB1 VB3 VB3 VB5 VB5 Rev. A | Page 17 of 28 ADC B VIN− AGND AGND AGND AGND AGND AGND VB2 VB2 VB4 VB4 VB6 VB6 Ԣጀ ܋ڇ ܋ڇ ܋ڇ ܋ڇ ܋ڇ ܋ڇ ྜඇֶݴ ࿁ֶݴ ྜඇֶݴ ࿁ֶݴ ྜඇֶݴ ࿁ֶݴ Պஓ ܾցஓ ܾցஓ থܾ ܾցஓ থܾ ܾցஓ AD7266 ࡧڿدຕ ຕጴ ยऺڦஓገ࣑ሞჄኝຕLSBኵฉDŽन1 LSBĂ2 LSBڪ ڪDžႜă܋ڇఇ๕ူLjړ๑ᆩ0 VVREF้ྷݔLjLSBٷ ၭྺVREF/4096Ǘړ๑ᆩ0 V2 × VREF้ྷݔLjLSBٷၭྺ2 × VREF/4096ăֶݴఇ๕ူLjړ๑ᆩ0 VVREF้ྷݔLjLSB ٷၭྺ2 × VREF/4096Ǘړ๑ᆩ0 V2 × VREF้ྷݔLjLSBٷ ၭྺ4 × VREF/4096ăথܾՊஓ้LjAD7266ڦ ၙڿد༬Ⴀස32๖ǗܾցஓՊஓ้LjAD7266 ڦၙڿد༬Ⴀස33๖DŽ2 × VREFྷݔDžă VDRIVE AD7266࣏ਏᆶVDRIVE༬ႠLj੦زႜথ੨߾ڦፕۉუă V DRIVE༬Ⴀ๑ADCీࠕൟᇑ3 Vࢅ5 Vتഗথ੨ă૩ සLjසࡕAD7266֑ᆩ5 V VDDࠃۉLjሶVDRIVEᆅগᅜ֑ ᆩ3 VۉᇸࠃۉLj๑گڥუຕጴتഗਏᆶডۯڦٷༀݔ ྷăᅺُLjAD7266ᅜስ2 × VREFڦ(ྷݔ5 V VDD)Lj ཞ้ධీᇑ3 Vຕጴഗॲথ੨ă 111...111 111...110 ADC CODE แेᇀAD7266ڦຕጴփ၌ఇెڦፌۨܮٷኵ ڦ၌ăᇑఇెփཞLjຕጴᅜߛٳ7 VLjժ փVDD + 0.3 V၌ă߸ܠ႑တ൩֖९ਨܔፌۨܮٷኵև ݴăSCLKĂRANGEĂA0A2ࢅCSᆅগփVDD + 0.3 V၌ ڦଷᅃ߲ࡻتۉᇸ้Ⴞ੦࿚༶ڥᅜՆ௨ăසࡕሞ VDDฉۉኮമแेഄዐᅃ߲ຕጴLjժփࣷᆶឋޅ ၃ăఇెሶփLjසࡕሞVDDฉۉኮമแेٷᇀ0.3 V ڦ႑ࡽLjఇెࣷᆶឋޅ၃ă 111...000 1LSB = VREF/4096 011...111 000...010 000...001 000...000 VREF – 1LSB 0V 1LSB ANALOG INPUT 04603-027 ጀᅪ 1. VREFྺVREFई2× VREFă 32. থܾڿد༬Ⴀ 1LSB = 2 VREF/4096 011...111 000...001 000...000 111...111 100...010 100...001 100...000 –VREF + 1LSB VREF – 1LSB +VREF – 1 LSB ANALOG INPUT 04603-028 ADC CODE 011...110 33. ܾցஓڿد༬ႠDŽVREF ± VREF ྷݔDž Rev. A | Page 18 of 28 AD7266 ߾ፕఇ๕ ሞገ࣑क़ཚࡗ੦CS႑ࡽڦDŽஇडDžጒༀLjᅜስ AD7266߾ڦፕఇ๕ăᆶෙዖీ߾ڦፕఇ๕ǖኟఇ๕Ă ևۉูݴఇ๕ࢅඇูۉఇ๕ăገ࣑ഔࢫۯLjCSԥઙߛ้ڦ क़ۅਦۨഗॲࢆዖูۉఇ๕DŽසᆶDžăૌຼںLjසࡕ ᅙঢ়تᇀูۉఇ๕LjሶCSᅜ੦ഗॲ࣮ݓኟ߾ፕఇ ๕Lj࣏ीჄԍۉูఇ๕ăኄၵ߾ፕఇ๕ኼሞ༵ࠃଳऄ ۉڦᇸ࠶ၜăኍܔփཞڦᆌᆩᄲ൱Ljᅜስኄၵ ၜLjᅜᆫࣅࠀࡼࢅཾུ୲ă ኟఇ๕ ኄዖఇ๕ኼሞᆩᇀႴᄲፌཾུ୲ڦᆌᆩLjAD7266๔ዕ تᇀྜඇฉۉጒༀLjᆩࢽփՂڅ႐ฉ้ۉक़࿚༶ă34၂ ๖କAD7266ሞኟఇ๕ူڦᅃӯ߾ፕᇱă CS 1 10 14 DOUTA DOUTB LEADING ZEROS + CONVERSION RESULT ևۉูݴఇ๕ ኄዖఇ๕ኼሞᆩᇀႴᄲডུཾگ୲ڦᆌᆩăᅜሞْ ገ࣑ྜ࠲ࢫׯADCLjईኁᅜߛཾུ୲ኴႜᅃဣଚገ ࣑LjࢫॽADC࠲၎ܔড้ڦक़Ljڟᆓઠူᅃဣଚ ڦገ࣑ăړAD7266تᇀևۉูݴఇ๕้Ljాೌأएጚۉუ ᇸࢅ࣐؋ᅜྔڦᆶఇెۉୟԥ࠲ă ැᄲևۉูݴఇ๕LjՂႷሞSCLKڼڦ2߲ူইᄂ ኮ ࢫĂڼ10߲ူইᄂኮമڦඪᅪ้क़ॽCSՎྺߛۉೝLjᅜ ዐገ࣑ࡗײLjස35๖ăᅃڋCSሞSCLKشُڦ੨ా ՎྺߛۉೝLjഗॲनևۉูݴఇ๕LjCSူইᄂഔۯ ڦገ࣑ዕኹLjD OUTA ࢅD OUTB ࣮ݓෙༀăසࡕCSሞڼ2߲ SCLKူইᄂኮമՎྺߛۉೝLjሶഗॲධॽتᇀኟఇ๕Lj փࣷ࠲ăኄᅜՆ௨CS၍ฉڦறِᆅഐᅪྔ࠲ă 04603-029 SCLK ᅃڋຕدྜׯLjժDOUTAࢅDOUTBᅙ࣮ݓෙༀLjՍ ᅜሞҾৢ้क़tQUIETඁࢫምْॽCSՎྺۉگೝLjᅜഔۯଷ ᅃْገ࣑DŽ्ยᅙ༵ࠃႴ֑ڦण้क़Džă CS 45/ኟఇ๕֡ፕ 1 2 10 14 සزႜথ੨ևݴຎLjገ࣑ሞCSူڦইᄂഔۯăྺඓԍഗ ॲ๔ዕتᇀྜඇฉۉጒༀLjCSՂႷԍۉگೝLjڟሞ ူ ইᄂኮࢫณࡗඁକ10߲SCLKူইᄂăසࡕሞڼ10߲ SCLKူইᄂኮࢫĂڼ14߲SCLKူইᄂኮമڦඪࢆ้क़ॽ CSՎྺߛۉೝLjሶഗॲධԍฉۉጒༀLjڍገ࣑ዕኹLj DOUTAࢅDOUTB࣮ݓෙༀăྜׯገ࣑ժݡ࿚ገ࣑ࡕႴᄲ14 ߲زႜ้ዓዜă14߲SCLKዜࡗඁኮࢫLjDOUT၍փࣷ ࣮ݓෙༀLjܸሞ ምْՎྺߛۉೝ้࣮ݓෙༀăසࡕ ڦ ۉگೝጒༀምჄ2߲SCLKዜDŽ૩ස༵ࠃ16߲SCLKஞ؋ ้DžLjሶຕኮࢫࣷ2߲࿂ໜଭăසࡕ ۉگڦೝጒༀ ᆼምჄ14DŽई16Dž߲SCLKዜLjሶઠጲೌฉଷᅃ߲ADC ڦገ࣑ࡕᄺᅜሞཞᅃDOUT၍ฉႜݡ࿚Ljස42๖ DŽ֖९زႜথ੨ևݴDžă 32߲SCLKዜࡗඁኮࢫLjDOUT၍ሞڼ32߲SCLKူইᄂݓ ࣮ෙༀăසࡕCSሞُኮമՎྺߛۉೝLjDOUT၍ॽཞ้࣮ݓ ෙༀăᅺُLjঢ়ࡗ32߲SCLKዜኮࢫLjCSᅜتᇀۉگ ೝှጒༀLjڟሞူᅃْገ࣑മڦగ้߲क़ምْՎྺߛ ۉೝDŽසࡕထྭසُDžLjᅺྺጺ၍ධࣷሞມཚڢࡕ܁ ൽྜ࣮ݓࢫׯෙༀă DOUTA DOUTB THREE-STATE 04603-030 SCLK Figure 35. Entering Partial Power-Down Mode 46/ևۉูݴఇ๕ ැᄲཽኄዖ߾ፕఇ๕ժ๑AD7266ምْฉۉLjႴᄲኴႜ ᅃْ࿁ገ࣑ăሞCSူڦইᄂLjഗॲਸ๔ฉۉLjժኻᄲ CSتᇀۉگೝՍीჄฉۉLjڼڟ10߲SCLKူڦইᄂኮ ࢫăٷሀঢ়ࡗ1μsࢫLjഗॲྜඇฉۉLjူᅃْገ࣑ॽׂิ ᆶၳຕLjස36๖ăසࡕ ሞڼ2߲SCLKူইᄂኮമՎ ྺߛۉೝLjሶAD7266ምْևۉูݴఇ๕ăኄᅜՆ ௨CS၍ฉڦறِᆅഐᅪྔฉۉăഗॲᅜሞCSူڦ ইᄂਸ๔ฉۉLjڍᆼࣷሞCSฉืᄂ࠲ăසࡕAD7266 ᅙঢ়تᇀևۉูݴఇ๕LjժCSሞSCLKڼڦ2߲ူইᄂᇑ ڼ10߲ူইᄂኮक़ՎྺߛۉೝLjሶഗॲॽඇูۉఇ ๕ă Rev. A | Page 19 of 28 AD7266 ඇูۉఇ๕! ݛ ڦ๕ ዐ ူ ᅃ ߲ ገ ࣑ ዜ Lj ස 37 ๖ ă ᅃ ڋCSሞ SCLKشُڦ੨ాՎྺߛۉೝLjഗॲनྜඇ࠲ă൩ጀᅪLj ᅃڋCSՎྺߛۉೝᅜՍูۉఇ๕LjՍփႴᄲྜׯ14߲ SCLKዜă ኄዖఇ๕ኼሞᆩᇀႴཾུ୲Բևۉูݴఇ๕ူུཾڦ ୲߸ڦگᆌᆩLjᅺྺٗඇูۉఇ๕ฉۉႴ้ڦक़Բٗ ևۉูݴఇ๕ฉܠڥۉăኄዖఇ๕߸ࢇᅜ၎ܔডߛڦ ཾུ୲ኴႜᅃဣଚገ࣑Ljࢫᅃ้क़ڦऄۯጒ ༀLjܸഗॲ࠲ڦᆌᆩăړAD7266تᇀඇูۉఇ๕้Lj ᆶఇెۉୟԥ࠲ăඇูۉఇ๕݆ݛڦᇑև ۉูݴఇ๕၎ຼLjփࡗ35๖้ڦႾՂႷኴႜଇْăገ ࣑ࡗײՂႷᅜૌຼݛ๕ዐLjनሞSCLKڼڦ2߲ူইᄂኮ ࢫĂڼ10߲ူইᄂኮമڦඪᅪ้क़ॽCSՎྺߛۉೝăُ้ ഗॲևۉูݴఇ๕ăᄲڟٳඇูۉጒༀLjՂႷᅜཞᄣ ැᄲཽඇูۉఇ๕ժ๑AD7266ฉۉLjႴᄲၟٗևۉูݴ ఇ๕ฉۉᅃᄣኴႜᅃْ࿁ገ࣑ăሞCSူڦইᄂLjഗॲਸ๔ ฉۉLjժኻᄲCSتᇀۉگೝՍीჄฉۉLjڼڟ10߲ SCLKူڦইᄂኮࢫăՂႷڟڪႴڦฉ้ۉक़ඁኮࢫLj ֍ీഔۯገ࣑Ljස38๖ă࠲ᇀAD7266ڦฉ้ۉक़Lj൩ ֖९ฉ้ۉक़ևݴă THE PART IS FULLY POWERED UP; SEE POWER-UP TIMES SECTION. THE PART BEGINS TO POWER UP. tPOWER-UP1 CS 1 10 DOUTA DOUTB 14 1 INVALID DATA 14 04603-031 SCLK VALID DATA 36.ཽևۉูݴఇ๕ THE PART ENTERS PARTIAL POWER DOWN. THE PART BEGINS TO POWER UP. THE PART ENTERS FULL POWER DOWN. CS DOUTA DOUTB 1 2 10 INVALID DATA 14 THREE-STATE 37.ඇูۉఇ๕ Rev. A | Page 20 of 28 1 2 10 INVALID DATA 14 THREE-STATE 04603-032 SCLK AD7266 THE PART BEGINS TO POWER UP. THE PART IS FULLY POWERED UP, SEE POWER-UP TIMES SECTION. tPOWER-UP2 CS DOUTA DOUTB 14 10 1 14 1 INVALID DATA 04603-033 SCLK VALID DATA 38.ཽඇูۉఇ๕ ᄲٗඇูۉఇ๕ฉۉLjᆌାٗCSူইᄂਸ๔ٷڦሀ1.5 ms้क़Ljස38ڦtPOWER-UP2๖ăٗևۉูݴఇ๕ฉۉ Ⴔ้ڦक़ሶܠڥ܌Ljۆ႙ኵྺ1μsǗڍසࡕ๑ᆩాևएጚۉ უᇸLjሶAD7266ՂႷتᇀևۉูݴఇ๕ณ67μsLj֍ీ ᆩኄᅃฉ้ۉक़ă ړAD7266ْথཚۉᇸ้LjADCీฉۉඪᅃዖูۉ ఇ๕ईኟఇ๕ăᅺُLjፌࡻ૦ঢ়ᅃ߲࿁ገ࣑ዜLjᅜඓ ԍഗॲྜඇฉࢫۉምኴႜᆶၳገ࣑ăૌຼںLjසࡕথཚۉ ᇸࢫထྭഗॲԍևۉูݴఇ๕LjሶՂႷഔۯଇ߲࿁ገ࣑ ዜăሞڼᅃ߲࿁ገ࣑ዜዐLjCSՂႷԍۉگೝLjڟ ڼ10߲SCLKူইᄂኮࢫDŽ९34DžǗCSሞ߲ܾڼ࿁ገ࣑ ዜዐLj ՂႷሞڼ2߲SCLKူইᄂኮࢫĂڼ10߲SCLKူই ᄂኮമՎྺߛۉೝDŽ९35DžăईኁLjසࡕথཚۉᇸࢫထ ྭഗॲتᇀඇูۉఇ๕LjሶՂႷഔۯෙ߲࿁ገ࣑ዜăሞ ڼᅃ߲࿁ገ࣑ዜዐLjCSՂႷԍۉگೝLjڼڟ10߲ SCLKူইᄂኮࢫDŽ९34DžǗڼࢅܾڼෙ߲࿁ገ࣑ዜ๑ ഗॲඇูۉఇ๕DŽ९37Džă 40ݴ՚၂๖କV DD= 3 VࢅVDD = 5 VĂኟ߾ፕఇ๕ူࠀࡼ ᇑཾུ୲࠲ڦဣLj߳ዐڦଇཉ൸၍ݴ՚ܔᆌᇀᅃ߲ࠦ ۨፌٷSCLKೕ୲ࢅᅃ߲ᇑ֑ᄣ୲ׯԲ૩ڦSCLKೕ୲ă ዐڦᆶ൧ႚ๑ᆩాևएጚۉუᇸă 10.0 TA = 25°C 9.5 9.0 8.5 VARIABLE SCLK 8.0 7.5 7.0 24MHz SCLK 6.5 6.0 5.5 5.0 0 200 400 30 1400 TA = 25°C 28 26 POWER (mW) ࠀࡼᇑཾུ୲! 1200 39. ኟఇ๕ူĂVDD = 3 V้ࠀࡼᇑཾུ୲࠲ڦဣ 24 ᅃڋAD7266থཚۉᇸLjՂႷାፁࠕ้ڦक़LjᅜՍྔևए ጚۉუᇸྜׯฉۉLjᅜत߳ዖएጚᇸ࣐؋ඁ᳘ۉඹ؊ۉ ፌዕኵă 600 800 1000 THROUGHPUT (kSPS) 04603-045 ฉ࿔ၘဦ௮ຎକAD7266ڦଇዖูۉఇ๕ǖևۉูݴఇ๕ࢅ ඇูۉఇ๕ăԨևݴຫཽኄၵఇ๕Ⴔڦฉ้ۉक़ă ᆌړጀᅪLjԨևݴຎฉ้ۉक़ڦᆩཉॲD CAP Aࢅ DCAPBᆅগฉݣዃᆶླྀ४ۉڦඹă POWER (mW) ฉ้ۉक़! VARIABLE SCLK 22 20 32MHz SCLK 18 16 14 12 10 0 200 400 600 800 1000 1200 1400 1600 1800 2000 THROUGHPUT (kSPS) 04603-046 AD7266ࡼࠀڦໜཾུ୲ܸՎࣅăړ๑ᆩུཾڦگݥ ୲ࢅీߛڦSCLKೕ୲้Ljᅜ૧ᆩ߳ዖูۉၜ၂ዸ ইࡼࠀگăڍLjAD7266ৢڦༀگݥୁۉLjन๑փ๑ᆩ ୲ڦՎࣅܸ݀ิ၂Վࣅăஃ๑ᆩࠦۨڦSCLKኵLj࣏ ๑ᆩᇑ֑ᄣ୲ׯԲ૩ڦSCLKኵLjසُă39ࢅ 51/!ኟఇ๕ူĂWEE !>!6!W้ࠀࡼᇑཾུ୲࠲ڦဣ Rev. A | Page 21 of 28 AD7266 زႜথ੨ 41ߴକAD7266زႜথ੨ၘڦဦ้Ⴞăزႜ้ዓ༵ࠃ ገ้࣑ዓLjժሞገ࣑क़੦ઠጲAD7266ڦ႑တدă ኴႜገ࣑ࡗײժሞAD7266ڦඪᅃຕ၍ฉइൽᅃْገ࣑ڦ ຕณႴᄲ14߲زႜ้ዓዜăCSՎྺۉگೝLjᅜ༵ࠃ ྲ੦ഗईDSPႴ܁ൽڦമڞଭăᇆူڦຕሶሞໜࢫڦ SCLKူইᄂደ߲Lj߲ܾٗڼമڞଭਸ๔ăᅺُLjሞز ႜ้ዓڼڦᅃ߲ူইᄂփৈ༵ࣷࠃമڞଭLjܸࣷڼ ܾ߲മڞଭăࢫ12࿋ࡕLjຕدዐڦፌࢫᅃ࿋ ሞڼ14߲ူইᄂᆶၳLjሞമᅃ߲DŽڼ13߲Džူইᄂă ሞSCLKডڦᆌᆩዐLjᅜሞ߳SCLKฉืᄂ܁ൽຕLj ਏ༹SCLKೕ୲ܸۨăሞCSူইᄂኮࢫڼڦᅃ߲SCLKฉ ืᄂLj༵ࠃ߲ܾڼമڞଭǗሞڼ13߲SCLKฉืᄂLj༵ ࠃDB0ă ൩ጀᅪLjසࡕSCLKኵߛLjᅺܸSCLKዜ܌Ljሶྺକ ༵ࠃፁࠕ้ڦक़t2Ljڼᅃ߲SCLKူইᄂኮമᅜ၄ᅃ߲ SCLKฉืᄂă৽Ԩև้ڦݴႾ௮ຎܸჾLjᅜࢮ SCLKฉืᄂăසࡕᅃ߲SCLKူইᄂᇑCSူইᄂዘࢇLjሶ AD7266փࣷᆌٴSCLKူইᄂLjူᅃ߲SCLKူইᄂ֍ ူইᄂኮࢫऻڼڦᅃ߲SCLKူইᄂă CS႑ࡽഔۯຕدࢅገ࣑ࡗײăCSူইᄂॽ֑ᄣԍഗ ዃᇀԍఇ๕Ljཞ้ഗॲܔఇెႜ֑ᄣLjጺ၍ྃ ෙༀăገ࣑ᄺሞُ้ഔۯLjณႴᄲ14߲SCLK֍ీྜׯă 13߲SCLKူইᄂࡗඁኮࢫLj֑ᄣԍഗሞူᅃ߲SCLKฉ ืᄂ߶࣮ݓጷఇ๕Ljස41ڦBۅ๖ăසࡕ๑ᆩ16߲ SCLKႜدLjሶፌࢫᅃ߲LSBኮࢫࣷ၄2߲࿂ໜଭă ሞCSฉืᄂLjገ࣑ዕኹLjDOUTAࢅDOUTB࣮ݓෙༀăසࡕሞ DOUTAฉথူઠڦ14DŽई16Dž߲SCLKዜLjCS࿄Վྺߛۉ ೝLjܸԍۉگೝLjሶઠጲገ࣑BڦຕॽሞDOUTAฉ DŽࢫ2߲࿂ໜଭDžă ཞᄣLjසࡕሞDOUTBฉথူઠڦ14DŽई16Dž߲SCLKዜLj CSԍۉگೝLjሶઠጲገ࣑AڦຕॽሞDOUTBฉă 42၂๖କኍܔDOUTAڦ൧ႚăԨ૩ዐLj๑ᆩዐڦDOUT ၍ሞڼ32߲SCLKူইᄂईCSฉืᄂDŽᅜፌံ၄ኁྺ ጚDž࣮ݓෙༀă CS t9 t6 1 3 2 4 t3 DOUTA 0 DB11 0 DOUTB THREESTATE 2 LEADING ZEROS B 5 t4 DB10 13 t5 t7 DB9 DB2 DB8 tQUIET t8 DB1 DB0 04603-034 t2 SCLK THREE-STATE 41. زႜথ੨้Ⴞ CS t6 3 2 1 4 5 14 16 15 32 17 t5 t3 DOUTA t4 0 ZERO DB11A THREESTATE 2 LEADING ZEROS DB10A DB9A t10 t7 ZERO ZERO ZERO ZERO 2 TRAILING ZEROS 2 LEADING ZEROS DB11B ZERO 42. ૧ᆩ32߲SCLKዜሞᅃཉDOUT၍ฉ܁ൽઠጲଇ߲ADCڦຕ Rev. A | Page 22 of 28 ZERO 2 TRAILING ZEROS THREESTATE 04603-035 t2 SCLK AD7266 ྲتഗথ੨! ཚࡗAD7266زڦႜথ੨LjᅜॽᇑႹܠփཞتྲڦഗ ၎ăԨևݴຫසࢆ૧ᆩزႜথ੨ၹᅱํ၄AD7266ᇑᅃ ၵ९ྲ੦ഗࢅDSPڦথ੨ă AD7266থ੨ADSP-218x ADSP-218xဣଚDSPᅜথᇑAD7266থ੨LjႴඪࢆঌ இडăAD7266ڦVDRIVEᆅগ֑ᆩᇑADSP-218x၎ཞڦ ۉᇸۉუăᅺُLjසࡕႴᄲLjADC߾ڦፕۉუᅜߛᇀഄ زႜথ੨ۉუࢅADSP-218x߾ڦፕۉუăԨ૩၂๖AD7266 ڦD OUT Aࢅ D OUT B থ ڟADSP-218x ڦଇ ߲ زႜ ܋੨ ă SPORT0ࢅSPORT1੦स٪ഗᆌӀቷ7ࢅ8๖ႜย ዃă থස43๖ăSPORT0ڦTFS0ࢅRFS0ᇑSPORT1ڦ RFS1၎ăTFS0ยྺLjRFS0ࢅRFS1ยྺăDSP ᅜ༺ኡدఇ๕߾ፕLjSPORT੦स٪ഗӀቷฉႜ ยዃăTFSฉׂิڦኡཞօ႑ࡽڟCSLjܸၟᆶ႑ࡽ تᆌᆩᅃᄣLjᄲ൱֑ᆩڪਐ֑ᄣăڍሞԨ૩ዐLj้ۨഗ ዐᆩᇀ੦ADC֑ڦᄣ୲Ljగၵ൧ူీ݆ํ၄ ڪਐ֑ᄣă AD72661 ADSP-218x1 SCLK SCLK1 CS 7. SPORT0੦स٪ഗยዃ ISCLK = 1 TFSR = RFSR = 1 IRFS = 0 ITFS = 1 RFS0 RFS1 ௮ຎ ༺ኡد ۉگೝᆶၳኡ႑ࡽ ᆸܔഋຕ 16࿋ຕጴDŽईኁยྺ1101Lj ๖14࿋ຕጴDž ాևزႜ้ዓ ߲ጴᅃኡ ISCLK = 0 TFSR = RFSR = 1 IRFS = 0 ITFS = 1 DOUTA DR0 DOUTB DR1 VDRIVE VDD 1ADDITIONAL PINS OMITTED FOR CLARITY. 43. AD7266ᇑADSP-218xথ੨ ้ۨഗस٪ഗዐሜᅃ߲ኵLjܸٗᅜᄲ൱֑ڦᄣक़༵߰ࠃ ዐăړڟዐ้LjࣷཚࡗTFS/DTDŽADC੦ጴDžد ᅃ߲ኵăTFSᆩᇀ੦RFSLjᅺܸᄺ੦ຕ܁ൽăزႜ ้ዓڦೕ୲ᆯSCLKDIVस٪ഗ੦ă݀ړཚࡗTFSႜ دڦኸସ้(AX0 = TX0)LjࣷॠֱSCLKڦጒༀăDSPڟڪ SCLKՎߛĂՎگĂምՎߛኮࢫLj֍ਸ๔دăසࡕڦ ้ۨഗࢅSCLKኵ๑دڥኸସ၄ሞSCLKฉืᄂฉईഄ ৎLjሶຕీࣷԥدLjᄺీႴᄲူڟڪᅃ้߲ዓ ᄂă 8. SPORT1੦स٪ഗยዃ ยዃ TFSW = RFSW = 1 INVRFS = INVTFS = 1 DTYPE = 00 SLEN = 1111 TFS0 04603-036 ยዃ TFSW = RFSW = 1 INVRFS = INVTFS = 1 DTYPE = 00 SLEN = 1111 SCLK0 ௮ຎ ༺ኡد ۉگೝᆶၳኡ႑ࡽ ᆸܔഋຕ 16࿋ຕጴDŽईኁยྺ1101Lj ๖14࿋ຕጴDž ྔևزႜ้ዓ ߲ጴᅃኡ ྺํ၄ูۉఇ๕LjSLENᆌยྺ1001Ljᅜ݀ᅃ߲8࿋SCLK ஞ؋ă ૩සLjADSP-2111ڦዷ้ዓೕ୲ྺ16 MHzăසࡕSCLKDIV स٪ഗڦኵྺ3Ljሶॽइڥ2 MHzڦSCLKLjन8߲ዷ้ዓ ዜׂิ1߲SCLKዜăසࡕ้ۨഗस٪ഗڦኵྺ803Ljሶ ଇْዐኮक़Ljᄺ৽ଇ߲دኸସኮक़ࣷ݀ิ100.5߲ SCLKዜăኄዖ൧ႚॽ݆ํ၄ڪਐ֑ᄣLjᅺྺدኸସ ၄ሞSCLKՉᄂăසࡕଇْዐኮक़ڦSCLKຕྺኝຕ NLjሶDSPᅜํ၄ڪਐ֑ᄣă Rev. A | Page 23 of 28 AD7266 AD7266থ੨ADSP-BF53x AD7266থ੨TMS320C541 ADSP-BF53xဣଚDSPᅜথᇑAD7266থ੨LjႴඪࢆ ঌஇडăBlackfin®DSPزڦႜ܋੨ᆶଇ߲থस٪ഗLj ᅺُኻႴᅃ߲زႜ܋੨Սཞ้܁ൽଇ߲DOUTᆅগă44 ၂๖AD7266ڦDOUTAࢅDOUTBথڟADSP-BF53xزڦႜ܋ ੨0ăSPORT0থದዃ1स٪ഗࢅSPORT0থದዃ2स٪ ഗᆌӀቷ9ࢅ10๖ႜยዃă TMS320C541زڦႜথ੨૧ᆩჄزႜ้ዓࢅኡཞօ႑ࡽ ཞօᇑAD7266ྔڪยڦຕد֡ፕăཚࡗCSൟ ํ၄TMS320C541ᇑAD7266ڦথ੨LjႴඪࢆঌஇ डăTMS320C541زڦႜ܋੨ยዃྺ૧ᆩాևCLKX0)زႜ ܋੨0ฉڦTXزႜ้ዓ*ࢅFSX0)ઠጲزႜ܋੨0ڦTXኡཞօ ႑ࡽ*ሞ݀ఇ๕ူ߾ፕăزႜ܋੨੦स٪ഗ(SPC)ՂႷ ਏᆶසူยዃă SERIAL DEVICE A (PRIMARY) ADSP-BF53x1 DOUTA DR0PRI SCLK RCLK0 CS DOUTB VDRIVE SPC SPC0 SPC1 RFS0 DR0SEC PINS OMITTED FOR CLARITY. FO 0 0 FSM 1 1 MCM 1 0 TXM 1 0 ߭๕࿋FOยྺ1Ljᅜॽጴยྺ8࿋Ljܸٗํ၄AD7266 ۉูڦఇ๕ă SERIAL DEVICE B (SECONDARY) VDD 1ADDITIONAL 11. زႜ܋੨੦स٪ഗยዃ SPORT0 04603-037 AD72661 44. AD7266ᇑADSP-BF53xথ੨ থස45๖ăܔᇀ႑ࡽتᆌᆩLjઠጲTMS320C541 ڦኡཞօ႑ࡽՂႷ༵ࠃڪਐ֑ᄣăAD7266ڦVDRIVEᆅগ ֑ᆩᇑTMS320C541၎ཞۉڦᇸۉუăᅺُLjසࡕႴᄲLj ADC߾ڦፕۉუᅜߛᇀഄزႜথ੨ۉუࢅTMS320C541 ߾ڦፕۉუă 9. SPORT0থದዃ1स٪ഗ(SPORT0_RCR1) ยዃ RCKFE = 1 LRFS = 1 RFSR = 1 IRFS = 1 RLSBIT = 0 RDTYPE = 00 IRCLK = 1 RSPEN = 1 SLEN = 1111 ௮ຎ ሞRSCLKူইᄂ֑णຕ ۉگೝᆶၳኡ႑ࡽ ߲ጴᅃኡ ๑ᆩాևRFS ံথMSB ག؊0 ాևথ้ዓ থ๑ీ 16࿋ຕጴDŽईኁยྺ1101Lj ๖14࿋ຕጴDž AD72661 TMS320C5411 SCLK CLKX0 CLKR0 CLKX1 CLKR1 DOUTA DR0 DOUTB DR1 CS FSX0 FSR0 VDRIVE FSR1 VDD 1ADDITIONAL PINS OMITTED FOR CLARITY. 10. SPORT0থದዃ2स٪ഗ(SPORT0_RCR2) ยዃ RXSE = 1 SLEN = 1111 45. AD7266ᇑTMS320C541থ੨ ௮ຎ ْप܋๑ీ 16࿋ຕጴDŽईኁยྺ1101Lj ๖14࿋ຕጴDž ྺํ၄ูۉఇ๕LjSLENᆌยྺ1001Ljᅜ݀ᅃ߲8࿋SCLKஞ ؋ăAD7266ڦBlackfinൻײۯႾٗwww.analog.comူሜă Rev. A | Page 24 of 28 04603-038 TFSR = RFSR = 1 AD7266 46ዐ ڦথ ၂ ๖ AD7266ස ࢆ থ ڟMotorola DSP563xxဣଚDSPڦESSIDŽཞօزႜথ੨Džăᆶଇ߲ೌฉ ESSILjᅜཞօఇ๕߾ፕDŽCRBस٪ഗڦ࿋SYN = 1DžLjా ևׂิڦጴኡཞօ႑ࡽཞ้ᆩᇀTXࢅRXDŽCRBڦ࿋ FSL1 = 0Ă࿋FSL0 = 0Džă AD7266ڦVDRIVEᆅগ֑ᆩᇑDSP563xx၎ཞۉڦᇸۉუă ᅺُLjසࡕႴᄲLjADC߾ڦፕۉუᅜߛᇀഄزႜথ੨ۉ უࢅDSP563xx߾ڦፕۉუă AD72661 ยዃCRBዐڦ࿋MOD = 0LjስESSIڦኟ߾ፕఇ๕ă ยዃCRAዐڦ࿋WL1 = 1࿋WL0 = 0Ljॽጴยྺ16 ࿋ă ྺํ၄AD7266ۉูڦఇ๕LjยዃCRAዐڦ࿋WL1 = 0 ࿋WL0 = 0LjᅜॽጴՎྺ8࿋ăCRBዐڦ࿋FSPᆌยྺ1Lj ๑ኡཞօྺăܔᇀ႑ࡽتᆌᆩLjઠጲDSP563xxڦኡཞ օ႑ࡽՂႷ༵ࠃڪਐ֑ᄣă DSP563xx1 SCLK SCK0 DOUTA SRD0 DOUTB SRD1 SCK1 CS SC02 VDRIVE SC12 VDD 1ADDITIONAL ሞ46๖૩ጱዐLjزႜ้ዓٗESSI0इڥLjᅺُSCK0 ᆅগՂႷยྺ(SCKD = 1)LjܸSCK1ᆅগሶยྺ (SCKD = 0)ăኡཞօ႑ࡽٗESSI0ฉڦSC02इڥLjSCD2 = 1LjܸሞESSI1ฉLjSCD2 = 0ǗᅺُLjSC12ದዃྺă Rev. A | Page 25 of 28 PINS OMITTED FOR CLARITY. 46. AD7266ᇑDSP563xxথ੨ 04603-039 AD7266থ੨DSP563xx AD7266 ᆌᆩႷኪ থࢅںքਆ! ྺॽఇెևݴᇑຕጴևݴኮक़ڦ᳘ࢇইፌگLjAD7266ڦ ఇెۉᇸࢅຕጴۉᇸԵُ܀૬Lj߳ᆶڦ܀ڇᆅগಇଚă AD7266ሞڦᆇຘۉୟӱ(PCB)ᆌ֑ᆩఇెևݴᇑຕጴև ݴݴยऺLjժ၌ሞۉୟӱڦᅃۨ൶ᇘాăኄዖยऺՍ ᇀ๑ᆩথ֫ںժඟ்ᅟᇀݴă ྺํ၄ፌॅೡԸLjথ֫ںᅃӯᆌଉณ֑ᆩ์ਗ਼रຍă AD7266ڦᆶෙ߲AGNDᆅগۼᆌူڟקAGND֫ăຕጴ ࢅ֫ںఇె֫ںᆌۅڇথăසࡕAD7266ဣཥాᆶ߲ܠഗ ॲᄲ൱AGNDڟDGNDLjධᆌॕۅڇথںLjӝথۅں ݣዃሞీ੍ৎAD7266থںᆅগڦᅃ߲႓႙থۅںă ᆌՆ௨ሞഗॲူݛքยຕጴ၍ୟLjޏሶࣷॽሯำ᳘ࢇႊ ೌăփࡗLjᆌሎႹఇెথ֫ںքยሞAD7266ူݛLjᅜՆ௨ ሯำ᳘ࢇăAD7266ۉڦᇸ၍ୟᆌ֑ᆩీڦጽ၍Ljᅜ ༵ࠃگፆੇୟ০Ljժ३ၭۉᇸ၍ୟฉڦறِሯำၳᆌă ྺՆ௨ၠۉୟӱฉڦഄևޖݴพሯำLj้ዓڪਸ࠲ ႑ࡽᆌ૧ᆩຕጴںೡԸഐઠLjժ้ዓ႑ࡽਨփᆌ੍ৎఇ ెăՆ௨ຕጴ႑ࡽᇑఇె႑ࡽ۠ăྺ३ၭۉୟӱా ڦઍཚၳᆌLjۉୟӱ၎ݒଇ֨ฉڦጽ၍ᆌԵُؽăྲټ ၍रຍፌॅ݆ݛLjڍኄዖरຍܔᇀມ௬ۉୟӱ࿄Ղጺ ႜă֑ᆩኄዖरຍ้Ljۉୟӱڦᇮॲ֨ጆᆩᇀথ֫ںLj ႑ࡽጽ၍ሶքยሞࡰথ֨ă ଆࡻڦඁ᳘ᄺዘᄲăᆌॽ10 μF᮳ۉඹᇑ0.1 μF༩ٍۉඹ ժLjܔᆶఇెۉᇸඁ᳘ڟGNDăྺ๑ኄၵඁ᳘ᇮॲํ ၄ፌॅၳࡕLjՂႷ๑ഄీ੍ৎഗॲLjፌࡻཌྷഗॲă 0.1μFۉඹᆌਏᆶگᆶၳۉزፆ૩සཚ༩ٍ႙ईཌྷ ႙ăኄዖگESRࢅESIۉඹሞߛೕ้༵ࠃگፆੇথںୟ ০LjᅜՍتాևஇडਸ࠲ᆅഐڦຨༀୁۉă LFCSPӲԨPCBยऺኸళ ႊೌपހጎ(CP-32-3)ฉࡰڦಎྺݛႚăPCBࡰಎᆌԲހጎ ࡰಎ0.1 mmLj0.05 mmLjܸٗԓހጎࡰಎڦᅃևݴă ྺඓԍࡰۅፌٷLjހጎࡰಎᆌ࿋ᇀᆅগࡰಎዐᄕă ႊೌपހጎڹڦևᆶᅃ߲ොඤۈăPCBڦොඤۈณᆌᇑ ࡰಎᅃᄣٷăሞPCBฉLjොඤۈᇑࡰಎႚాՉڦक़ ਐณᆌྺ0.25 mmLjᅜඓԍփࣷ݀ิ܌ୟă ྺ߀ހጎڦඤႠీLjPCBᆌ๑ᆩොඤཚLjժොඤཚ ᆌᇑොඤྺࢇۈᅃ༹Ljक़ਐྺ1.2 mmăཚ০ᆌሞ0.3 mm0.33 mmኮक़Ljཚ࠶ᆌ܆ᅜ1ӇິڦཟLjᅜ܂ዿཚ ăᆩࢽᆌॽPCBොඤڟۈAGNDă AD7266Ⴀీೠࠚ ೠࠚӱ࿔ڗ௮ຎକAD7266ླྀڦ४քਆăೠࠚӱ༫ॲԈઔጎ ದྜঢ়ࡗ֪ڦೠࠚӱĂ࿔ڗᅜतᆩᇀٗPCཚࡗೠࠚ ӱ੦ഗ੦ೠࠚӱॲڦăೠࠚӱ੦ഗᅜದࢇ AD7266ೠࠚӱतټCBՔኾࢫጘڦഄႹܠADIೠࠚӱ๑ ᆩLjᅜᄇ๖ࢅೠࠚAD7266ڦୁࢅୁႠీă ᆩࢽᅜ૧ᆩॲܔAD7266ኴႜୁDŽޱᄾՎ࣑Dž ࢅୁDŽஓጴݛDž֪ăॲࢅ࿔ڗ࿋ᇀໜೠࠚӱ༵ ࠃڦCDฉă Rev. A | Page 26 of 28 AD7266 ྔႚ٫ 0.60 MAX 5.00 BSC SQ 0.60 MAX PIN 1 INDICATOR 25 24 PIN 1 INDICATOR TOP VIEW 0.50 BSC 4.75 BSC SQ 1 3.25 3.10 SQ 2.95 EXPOSED PAD (BOTTOM VIEW) 0.50 0.40 0.30 17 16 9 8 0.25 MIN 3.50 REF 0.80 MAX 0.65 TYP 12° MAX 1.00 0.85 0.80 32 0.05 MAX 0.02 NOM SEATING PLANE 0.30 0.23 0.18 COPLANARITY 0.08 0.20 REF COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2 47. 32ᆅগLFCSP_VQހጎLj5 mm x 5 mmגԋ༹(CP-32-2)Lj٫ڇ࿋ǖmm 0.75 0.60 0.45 1.20 MAX 9.00 BSC SQ 25 32 24 1 PIN 1 7.00 BSC SQ TOP VIEW 0.15 0.05 (PINS DOWN) 0° MIN 1.05 1.00 0.95 0.20 0.09 7° 3.5° 0° 0.08 MAX COPLANARITY SEATING PLANE 17 8 9 VIEW A VIEW A 0.80 BSC LEAD PITCH ROTATED 90° CCW 16 0.45 0.37 0.30 COMPLIANT TO JEDEC STANDARDS MS-026ABA 48. 32ᆅগTQFPހጎ(SU-32-2)Lj٫ڇ࿋ǖmm ۩ࠔኸళ ႙ࡽ AD7266BCP AD7266BCPZ 1 AD7266BCPZ-REEL71 AD7266BCPZ-REEL1 AD7266BSUZ1 AD7266BSUZ-REEL71 AD7266BSUZ-REEL1 EVAL-AD7266CB 2 EVAL-CONTROL BRD2 3 1 2 3 ࿒ྷݔ܈ –40°C +125°C –40°C +125°C –40°C +125°C –40°C +125°C –40°C +125°C –40°C +125°C –40°C +125°C ހጎ௮ຎ 32ᆅগLFCSP_VQ 32ᆅগLFCSP_VQ 32ᆅগLFCSP_VQ 32ᆅগLFCSP_VQ 32ᆅগTQFP 32ᆅগTQFP 32ᆅগTQFP ೠࠚӱ ੦ӱ ހጎၜ CP-32-2 CP-32-2 CP-32-2 CP-32-2 SU-32-2 SU-32-2 SU-32-2 Z = തഗॲă ُӱ܀ڇᆩፕೠࠚӱLjईᇑEVAL-CONTROLӱದࢇᆩᇀೠࠚ/ᄇ๖ă ُӱ߲ྜኝڇᇮLjሎႹPCܔᆶټCBՔኾࢫጘڦADIೠࠚӱႜ੦ժᇑኮཚ႑ăᄲ۩ࠔྜኝڦೠࠚ༫ॲLjՂႷ۩ࠔኸۨڦADCೠࠚӱ DŽසEVAL-AD7266CBDžĂEVAL-CONTROL BRD2ࢅᅃ߲12VୁՎუഗă߸ၘܠ൧൩९၎࠲ೠࠚӱڦरຍԴऻă Rev. A | Page 27 of 28 AD7266 ጀ ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04603-0-11/06(A) Rev. A | Page 28 of 28