5 4 3 2 1 REVISION HISTORY ECO C4 OPT 50V IN4- C7 0.1uF REF C12 2.2uF INT VIN VOUT_S GND GND GND REFBUF REFIN CNV SDI GND SDOSDO+ SCKO-/SDO SCKO+/SCKO SCKI-/SCKI SCKI+ SDISDI+ GND BUSY CSL LVDS/CMOSL PD 24 37 36 35 34 33 32 29 28 27 26 25 38 39 23 22 3 5 D Q 4 VCCIO 5 C16 0.1uF 7 4 2 NL17SZ74 R8 33 R9 0 CSB U5 3 Q C13 1uF R6 33 8 U4 2 JP1 R21 1k PR 1 EXT R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 CP 5 1 2 3 5 SHDN VOUT_F CLR 4 6 GND VCC OE 7 V+ GND GND R7 OPT 8 6 21 19 31 16 17 45 * OVDD VDD VDD VDDL U1 46 44 41 20 18 15 30 IN4+ VCC VEE VEE 42 43 40 IN3+ IN0IN0+ IN1IN1+ IN2IN2+ IN3IN3+ IN4IN4+ IN5IN5+ IN6IN6+ IN7IN7+ GND GND GND GND GND GND OGND 13 14 11 12 9 10 7 8 5 6 3 4 1 2 47 48 D VCCIO 2 1 C11 47uF 10V 1210 X7R LTC6655BHMS8-5 5V REFBUF VDD 4 U7 3 C9 0.1uF 50V C15 0.1uF 50V IN3- C REFBUF E1 C14 0.1uF 50V IN2+ NC7SZ04P5X 5 IN2- VCCIO VDDL 09-21-15 CLKIN C6 0.1uF VCC DATE GUY H. U3 NC7SZ04P5X 1 C10 2.2uF U2 R5 1k R3 33 4 A IN1+ 2 VCC C8 0.1uF 50V R4 49.9 1206 R2 33 4 VCCIO C5 0.1uF 50V IN1- BNC 2 NC7SZ04P5X WRIN 3 U6 2 B IN0+ C3 0.1uF APPROVED PRODUCTION C2 0.1uF 3 VEE D J1 CLK 100MHz MAX 2.5VPP R1 1k DESCRIPTION 2 VCCIO C1 0.1uF 3 IN0- VCCIO 5 VCCIO REV NC7SZ66P5X 0 33 33 33 33 33 33 33 33 0 33 CNV SDI GND2 SDOSDO+ SCKO- /SDO SCKO+ /SCKO SCKI- /SCKI SCKI+ SDISDI+ GND1 BUSY CNV SDI GND2 SDOSDO+ SCKO-/SDO SCKO+/SCKO SCKI-/SCKI SCKI+ SDISDI+ GND1 BUSY LVDS/ CMOSL LVDS/CMOSL R22 1k C SDA SCL IN5- U8 R23 IN5+ VCCIO IN6- C17 0.1uF 0402 1 2 3 4 5 6 7 8 9 10 INTL SCL NC SDA VDD A0 A1 NC A2 P0 20 19 18 17 16 15 14 13 12 11 P7 P6 NC P5 P4 VSS P3 NC P2 P1 OPT WRIN 0402 X 8PLCS PCF8574TS WRIN2 R24 R25 33 33 WRIN SDI_IN WRIN SDI_IN R26 R27 33 33 SCK_IN CNV_IN SCK_IN CNV_IN R28 33 LVDS /CMOSLIN LVDS/CMOSLIN R29 R30 33 33 WRIN2 AUX1 WRIN2 AUX1 R31 33 AUX2 IN6+ B B AUX0 SCK_IN2 VCCIO C19 0.1uF WRIN2 2 R33 33 0402 1 LVDS/CMOSLIN OE 4 U9 SDI 2 B NC7SZ66P5X GND A 1 SDI_IN OE 4 U10 SCKI-/SCKI VCC R32 0 2 B NC7SZ66P5X VCC A 1 SCK_IN OE 4 U11 CNV 2 B NC7SZ66P5X GND GND A 1 CNV_IN OE 4 U12 NC7SZ66P5X WRIN2L WRIN2L 3 4 VCC A 3 NC7SZ04P5X GND 0402 3 U13 VCC LVDS/CMOSL 2 B 3 5 VCCIO C22 0.1uF 0402 VCCIO C21 0.1uF 5 5 0402 5 0402 IN7+ VCCIO C20 0.1uF 5 VCCIO C18 0.1uF 3 IN7- NOTES: UNLESS OTHERWISE SPECIFIED A CUSTOMER NOTICE LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0603. * ASSY -A -B U1 LTC2335-18 LTC2335-16 SUFFIX 35-18 35-16 -Bit 18 16 Ksps 1000 1000 -CHANNEL R61 (0402, PAGE 3) 8 0 8 OPT 4 TECHNOLOGY KIM T. GUY H. 8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC 3 2 B SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 APPROVALS DATE: IC NO. LTC23XXILX FAMILY DEMO CIRCUIT 2412A Monday, September 21, 2015 1 REV. 2 SHEET 1 OF 4 A 5 4 3 2 1 U14 U15 +16V/+18V GND 8 E6 C24 47uF 25V 7343 TANT C25 1uF 25V IN OUT SEN 5 SHDN -16V/-18V V+ E3 GND GND GND +16V/+18V LT1964ES5-SD LT1763CS8 BYP E4 1 C26 0.01uF 2 R35 5.62k C29 10uF 25V 4 D -16V/-18V V+ 1 E5 2 C27 10uF 25V C28 1uF 25V 3 GND OUT E2 5 R34 11.5k IN SHDN ADJ 4 C23 VEE 10uF 25V VEE R36 1k D 3 6 7 R37 1k U16 LT1763CS8 8 IN OUT 5 SHDN GND GND GND SEN BYP E7 C31 0.01uF 2 R38 11.5k VCC C32 10uF 25V 4 R39 1k 3 6 7 C30 1uF 25V VCC 1 U17 LT1763CS8 8 OUT SEN 5 SHDN BYP E8 C34 0.01uF 2 R40 1.07k 4 R41 1k 3 6 7 C IN GND GND GND C33 1uF 25V VCCIO 1 1 2 3 R42 1.58k VCCIO +2.5V C35 10uF 25V VCCIO C +3.3V JP2 U18 LT1763CS8 8 IN OUT 5 SHDN GND GND GND SEN BYP E9 C37 0.01uF 2 R43 3.09k C38 10uF 25V 4 VDD R44 1k 3 6 7 C36 1uF 25V VDD 1 U19 LT3021ES8-1.2 AGND SHDN 6 5 OUT GND C39 3.3uF 25V B IN +1.2V SEN E10 2 VCCINT 3 C40 10uF 25V +1.2V B 4 8 U20 LT1763CS8-2.5 8 OUT 5 SHDN GND GND GND SEN BYP E11 C42 0.01uF 2 C43 10uF 25V 4 +2.5V NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0603. 3 6 7 C41 1uF 25V IN +2.5V 1 U21 LT1763CS8 8 OUT SEN 5 SHDN CUSTOMER NOTICE +3V BYP E12 1 C45 0.01uF 2 R45 1.43k 4 C46 10uF 25V +3V 4 TECHNOLOGY KIM T. GUY H. 8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC 3 2 B SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. R46 1k 3 6 7 C44 1uF 25V IN GND GND GND A DATE: IC NO. LTC23XXILX FAMILY DEMO CIRCUIT 2412A Monday, September 21, 2015 REV. 2 SHEET 2 1 OF 4 A 5 4 U22B U22C IO1 IO2 IO3 IO4 IO5_VREF1 IO6_DIFFL4P IO7_DIFFL4N CLK0 CLK1 BANK2 1 2 3 4 7 10 11 22 23 AUX0 AUX1 WRIN2 LVDS/CMOSLIN 2 U22D BANK1 D 3 CLK2 CLK3 IO1 IO2 IO3_VREF2 IO4_RUP1 IO5_RDN1 IO6 R52 33 CLKIN BUSY SDI R49 0 GND2 IO1_DIFFIOB1P IO2_DIFFIOB1N IO3 IO4 IO5 IO6_VREF3 IO7_DIFFIOB9P IO8_DIFFIOB9N IO9 IO10_DIFFIOB11P IO11_DIFFIOB11N VCCIO 3 2 1 I/O LVDS P1 U22E SDO- BANK3 24 25 28 30 31 32 33 34 1 R47 0 BANK4 R50 OPT 38 39 42 43 44 46 49 50 51 52 53 54 55 58 59 60 64 65 66 67 68 69 70 71 72 IO1_DIFFIOB12P IO2_DIFFIOB12N IO3 IO4_DIFFIOB16P IO5_DIFFIOB16N IO6 IO7_VREF4 IO8_RUP2 IO9_RDN2 IO10 IO11 IO12_DIFFIOB21P IO13_DIFFIOB21N IO14 SDO+ SCKO-/SDO R54 OPT SCKO+/SCKO CMOS SCKI-/SCKI R48 0 R53 OPT VCCIO U22F IO1 IO2 IO3 IO4_RUP3 IO4_RDN3 IO5 IO6_VREF5 IO7 IO8_DIFFIOR8N IO9_DIFFIOR8P CLK7_DIFFCLK3N CLK6_DIFFCLK3P C R61 [2] CYCLONE3-EP3C5E144 U22G U22H U22I R60 10k BANK5 73 74 75 76 77 79 80 83 84 85 88 89 R59 10k CYCLONE3-EP3C5E144 BANK6 ID R65 R67 33 33 CLK5_DIFFCLK2N CLK4_DIFFCLK2P IO1 IO2 IO3_VREF6 IO4 GND1 CSB LVDS/CMOSL CNV_IN SCK_IN SDI_IN WRIN BANK7 90 91 100 104 105 106 D9 D8 SDI- R58 0 R56 OPT R57 OPT D7 D6 D5 D4 D3 D2 CNVCLK R63 R64 R66 R68 33 33 33 33 IO1 IO2 IO3 IO4 IO5_RUP4 IO6_RDN4 IO7_VREF7 IO8_DIFFIOT16N IO9_DIFFIOT16P IO10 IO11 IO12_DIFFIOT12N IO13_DIFFIOT12P SS0 SS1 SS2 A0 CNVCLK SYNC D1 D0 BANK8 110 111 112 113 114 115 119 120 121 124 125 126 127 R62 R70 33 33 A1 A2 R74 R76 R78 R80 R82 R84 R86 R88 R90 33 33 33 33 33 33 33 33 33 IDOUT D0 D1 SYNC CNVCLK D2 D3 D4 D5 128 129 132 133 135 136 137 138 141 142 143 144 IO1_DIFFIOT11N IO2_DIFFIOT11P IO3_DIFFIOT10N IO4_DIFFIOT10P IO5 IO6_VREF8 IO7 IO8 IO9 IO10 IO11_DIFFIOT01N IO12_DIFFIOT01P R69 R71 R72 R73 R75 R77 R79 R81 R83 R85 R87 R89 D17 D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 33 33 33 33 33 33 33 33 33 33 33 33 IDOUT A2 A1 A0 SS2 SS1 SS0 +3V 2 4 6 8 10 VCCIO CONFIG VCCIO C58 0.1uF C59 0.1uF C60 0.1uF C61 0.1uF C62 0.1uF C63 0.1uF C64 0.1uF C65 0.1uF C66 0.1uF C68 0.1uF C69 0.1uF +2.5V C70 47uF 0805 CYCLONE3-EP3C5E144 C71 4.7uF 0603 C72 C73 0.01uF 0.1uF C74 1nF C75 22nF C76 22nF C77 22nF C78 4.7nF + C87 C88 470uF 4.7uF 7343 0603 C83 C89 C84 0.01uF 0.01uF 0.1uF 6 8 9 12 13 14 15 16 18 20 21 86 87 92 94 96 97 98 99 101 103 CYCLONE3-EP3C5E144 +1.2V L1 BLM31PG391SN1L VCCD_PLL A C67 0.1uF IO1_DATA1 IO2_FLASH_NCE N_STATUS DCLK IO3_DATA0 NCONFIG TDI TCK TMS TDO NCE IO4_DEV_OE IO5_DEV_CLRN CONF_DONE MSEL0 MSEL1 MSEL2 IO6_INIT_DONE IO7_CRC_ERROR IO8_NCEO IO9_CLKUSR C90 0.1uF C85 0.1uF C91 0.1uF C92 0.1uF C86 2.2nF C93 4.7nF 1 2 3 4 NCS DATA VCC GND 8 VCC +3V 8 7 6 5 VCC VCC DCLK ASDI C56 0.1uF R93 4.99k 0603 C57 0.1uF R94 4.99k 0603 SCL SDA WP A2 A1 A0 6 5 7 3 2 1 SCL SDA EEPROM 1 2 3 WP PROG B JP4 J4 HD2X7-079-MOLEX V+ 5V +2.5V R101 10k VCCIO R102 10k R103 10k +3V +3V +3V +3V R104 1k D1 BAT54WS C79 10pF JTAG 2 4 6 8 10 1 3 5 7 9 HD2X5-100 NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0402. TCK TDO TMS TDI D2 BAT54WS D3 BAT54WS C80 10pF CS SCK/SCL MOSI/SDA MISO EEVCC EESDA EESCL EEGND AUX D4 BAT54WS C81 10pF CUSTOMER NOTICE C82 10pF THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 3 2 1 2 6 4 7 5 DC590/DC2026 CNV SCK_IN2 SDI SCKO-/SDO 10 9 11 12 14 APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TECHNOLOGY KIM T. GUY H. 8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC B SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC SIZE 2. R61 : SEE ASSY TABLE ON PAGE 1. 4 +3V TDI TCK TMS TDO NCE J3 5 EPCS4SI8 +3V R91 4.99k 0603 24LC024-I /ST GND C55 0.1uF VCCIO 4 C54 0.1uF U23 C GND GND GND C53 0.1uF R95 10k R92 4.99k 0603 D 13 8 3 C52 0.1uF R100 10k 1 C51 0.1uF R99 10k 1 C50 0.1uF R98 10k 1 C49 0.1uF R97 10k 2 C48 0.1uF 5 29 45 61 78 102 116 134 17 26 40 47 56 62 81 93 117 122 130 139 35 107 37 109 R96 10k C47 0.1uF 0603 U24 1 B VCCINT VCCINT GND VCCINT GND VCCINT GNDA1 VCCINT GND VCCINT GND VCCINT GND VCCINT GND VCCIO1 GND VCCIO2 GND VCCIO3 GNDA2 VCCIO3 GND VCCIO4 GND VCCIO4 GND VCCIO5 GND VCCIO6 GND VCCIO7 VCCIO7 VCCIO8 VCCIO8 VCCA1 VCCA2 VCCD_PLL1 VCCD_PLL2 1 3 5 7 9 HD2X5-100 U22J 2 PWR 19 27 36 41 48 57 63 82 95 108 118 123 131 140 145 EDGE-CON-100 J2 +1.2V U22A FPGA PROGRAM ARRAY CYCLONE3-EP3C5E144 EEPROM CYCLONE3-EP3C5E144 2 CYCLONE3-EP3C5E144 2 CYCLONE3-EP3C5E144 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 D11 D10 R55 0 SDI+ CYCLONE3-EP3C5E144 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 D13 D12 VCCIO CYCLONE3-EP3C5E144 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 D15 D14 R51 OPT SCKI+ JP3 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 D17 D16 DATE: IC NO. LTC23XXILX FAMILY DEMO CIRCUIT 2412A Monday, September 21, 2015 REV. 2 SHEET 3 1 OF 4 A IN0 HD3X8-100 IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 2 3 4 5 6 7 8 VIN2 VIN1 IN0 IN0 JP5 IN1 5 C100 0805 OPT 0603 6 7 - VEE IN4 R111 OPT IN6 IN7 R114 OPT IN1 BNC IN1 JP6 3 C112 0805 OPT 0603 2 C102 OPT 8 6 C110 270pF R123 100 1 + 7 - IN5 R129 0 R127 OPT IN5 JP10 C113 OPT 0603 3 C114 0805 OPT 2 C126 0805 OPT 0603 6 R137 OPT C136 0805 OPT 0603 2 + IN6 JP11 C124 OPT 0603 8 5 C127 0805 OPT 6 U26A LT1355CS8 1 R155 0 C134 270pF R151 0 IN7 IN3+ R153 OPT C137 OPT R136 100 LT1355CS8 - C123 270pF IN6+ C129 0.1uF R138 OPT R140 0 R143 OPT IN7 JP12 0603 3 R144 OPT C138 0805 OPT 2 C131 OPT R148 0 B IN7- U28A C135 270pF R152 100 LT1355CS8 + C125 OPT 1 IN7+ - R156 0 R154 OPT C139 OPT C141 OPT CUSTOMER NOTICE A APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0402. TECHNOLOGY KIM T. GUY H. 8-CHANNEL, SOFTSPAN, HIGH SPEED, SERIAL, SAR, ADC 3 2 B SCALE = NONE 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 IN6- 7 R147 OPT IN3R150 100 C119 OPT R132 0 C133 OPT C140 OPT 5 C115 OPT C C121 0.1uF + C130 OPT - 4 IN3 JP8 3 IN6 R142 OPT R146 0 8 R149 0 IN3 R128 OPT U28B VEE R141 OPT C132 OPT R145 OPT R135 0 IN2+ R139 0 B IN5+ R130 0 VCC C122 270pF R134 100 C128 0.1uF VEE R126 100 1 IN2- 7 - IN5C111 270pF - C118 OPT R131 0 LT1355CS8 + R118 OPT C107 OPT LT1355CS8 4 IN2 JP7 5 C103 OPT C117 OPT U26B 4 IN2 8 R133 0 C120 0.1uF R117 OPT U27A C116 OPT VCC R112 OPT R116 0 + D IN4+ C105 0.1uF R122 0 R121 OPT R125 0 IN1+ - IN4C99 270pF R110 100 C109 OPT IN1- LT1355CS8 C 5 C101 0805 OPT C106 OPT U25A + IN4 JP9 0603 C95 OPT R106 0 LT1355CS8 R115 OPT R120 0 R119 OPT R124 0 IN4 C97 0.1uF U27B VEE R113 0 C108 OPT IN5 R109 0 IN0+ C104 0.1uF IN3 C98 270pF R108 100 LT1355CS8 + IN2 IN0- U25B 8 J6 17 9 18 10 19 11 20 12 21 13 22 14 23 15 24 16 VCC C94 OPT R105 0 4 VIN2 +/- 10.24V MAX 1 R107 0 8 J7 4 BNC C96 0.1uF 1 4 VCC 2 8 J5 8 VIN1 +/- 10.24V MAX 3 4 D 4 4 5 DATE: IC NO. LTC23XXILX FAMILY DEMO CIRCUIT 2412A Monday, September 21, 2015 REV. 2 SHEET 4 1 OF 4 A