2 1 REVISION HISTORY ECO REV DESCRIPTION APPROVED DATE 0 PRODUCTION DOUG S. 08-26-13 VCCIO C87 0.1uF CLK 200MHz MAX 2.5VPP D C88 0.1uF J5 2 R74 49.9 1206 R73 1K Y1 CB3LV +3V 4 1 C90 0.1uF R76 100 VCC OUT EOH GND 4 CLKIN U16 NC7SZ04P5X 3 D 5 R72 1K C89 0.1uF 3 2 R75 DNI R77 10K L2 BLM31PG391SN1L OSC 1 2 3 OFF ON JP10 +6V VCCIO 0 AC DC 4 VDD 14 13 SDO+ SDO- 16 15 SCK+ SCK- 9 D R51 33 U13 NL17SZ74 4 2 CSB U12 NC7SZ04P5X C ~CNV VREF 7 C56 DNI 8 R47 DNI C92 10uF + 5 J4 R32 49.9 - 6 R38 150 AIN0V - 4.096V AIN- R33 0 0402 JP5 HD2X3-100 R46 1K ~CNV REFIN C95 10uF 7 4 C53 10uF R39 301 2 4 6 SCK+ SCK- 3 VREF VCM_BIAS C54 200pF 7 R53 33 U10 MSE16 SDO+ SDO- REFOUT R27 301 MODE AIN+ * 2 6 CMOS/LVDS OVDD R30 0 0402 R23 1K DIFF 1 UNI 3 BIP 5 5 DATA OUT 8 3 1 2 3 CMOS R25 2 1 JP8 LVDS PR Q 0.1uF VCC CLR 3 C50 GND OGND - -6V R24 DNI 4 GND JP4 C94 0.1uF 6 10 12 +IN COUPLING C93 10uF CP C51 1uF 1 Q R29 DNI 4 R21 DNI + R28 49.9 3 2 1 C 2 C37 DNI U9A LT1819CMS8 11 C35 DNI C72 0.1uF GND GND GND 3 0.1uF VDD 17 R22 0 C85 0.1uF 1 5 8 C36 10uF R20 0 8 J3 AIN+ 0V - 4.096V C100 10uF 5 C57 VCCIO U9B LT1819CMS8 R35 DNI C63 10uF R45 0 C65 DNI C64 DNI EXT_REFIN E11 3 2 1 R50 DNI -IN COUPLING REF JP6 C97 0.1uF AC DC +6V EXT DRIVE REFOUT B VCM_BIAS 5 + 1 3 B EXT_VREF C98 4.7uF 4 2 - C96 0.1uF C48 10uF JP3 R78 10K U17 LT6202CS5 3 2 1 E12 C99 1uF R79 10K U14 LTC6655BHMS8-4.096 COMMON MODE -6V 3 2 1 EXT 4.096V 8 R52 0 7 JP7 6 C71 10uF 5 GND SHDN VOUT_F VIN VOUT_S GND GND GND +9V/+10V 1 2 3 C84 1uF 4 C68 2.2uF NOTES: UNLESS OTHERWISE SPECIFIED A * 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603 ASSY -A -B -C -D -E -F U1 LTC2311IMSE-16 LTC2310IMSE-16 LTC2311IMSE-14 LTC2310IMSE-14 LTC2311IMSE-12 LTC2310IMSE-12 BITS 16 16 14 14 12 12 Msps 5 2 5 2 5 2 R57 R58 R59 R60 DNI 1K 1K DNI 1K DNI 1K DNI 1K DNI DNI 1K CUSTOMER NOTICE APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; TECHNOLOGY HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. D. STUETZLE VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. D. STUETZLE TITLE: SCHEMATIC APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TRUE DIFFERENTIAL INPUT ADC IC NO. SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only A B SCALE = NONE DATE: 1 REV. LTC231XIMSE FAMILY DEMO CIRCUIT 2425A Thursday, December 03, 2015 0 SHEET 1 OF 2 2 R26 DNI SCK+ R31 DNI SDO- CYCLONE3-EP3C5E144 CYCLONE3-EP3C5E144 CYCLONE3-EP3C5E144 CYCLONE3-EP3C5E144 U11F U11G U11H U11I IO1 IO2 IO3 IO4_RUP3 IO4_RDN3 IO5 IO6_VREF5 IO7 IO8_DIFFIOR8N IO9_DIFFIOR8P CLK7_DIFFCLK3N CLK6_DIFFCLK3P BANK6 R54 R55 R56 73 74 75 76 77 79 80 83 84 85 88 89 33 33 33 D0 D1 D2 CLK5_DIFFCLK2N CLK4_DIFFCLK2P IO1 IO2 IO3_VREF6 IO4 CSB R58 VCCIO BANK7 90 91 100 104 105 106 R65 R66 33 33 D3 D4 R67 33 D5 IO1 IO2 IO3 IO4 IO5_RUP4 IO6_RDN4 IO7_VREF7 IO8_DIFFIOT16N IO9_DIFFIOT16P IO10 IO11 IO12_DIFFIOT12N IO13_DIFFIOT12P * R57 DNI R59 CNVCLK R48 R49 R43 R44 33 33 33 33 R41 R42 R40 R36 R37 R34 D6 D7 D8 D9 33 33 33 33 33 33 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 VCCIO D3 D2 * C 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 D15 D14 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 D10 D11 D12 D13 D14 D15 D1 D0 CYCLONE3-EP3C5E144 VCCIO C42 0.1uF C49 0.1uF C55 0.1uF C60 0.1uF C75 0.1uF C76 0.1uF C62 0.1uF C59 0.1uF C52 0.1uF C45 0.1uF C33 0.1uF C32 0.1uF +2.5V C30 47uF CYCLONE3-EP3C5E144 0805 C29 4.7uF C78 0.01uF C79 0.1uF C80 1nF C82 22nF C83 22nF C28 22nF R18 10K CONFIG C77 4.7nF 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 6 8 9 12 13 14 15 16 18 20 21 86 87 92 94 96 97 98 99 101 103 R17 10K R16 10K R14 10K R63 10K R64 10K +3V 1 2 3 4 NCS DATA VCC GND TDI TCK TMS TDO NCE 8 7 6 5 VCC VCC DCLK ASDI +3V C26 0.1uF 0402 EPCS4SI8 C14 0.1uF 0402 +2.5V R62 10K R61 10K R13 10K +3V +3V +3V +3V C27 470uF 7343 C38 4.7uF C40 0.01uF C43 0.01uF C67 0.1uF C66 0.1uF C70 0.1uF C69 0.1uF C73 0.1uF C39 2.2nF VCCIO D1 BAT54WS C15 10pF 0603 2 C8 0.01uF R5 499 3 2 1 4 VCCIO C4 10uF VCCIO 1.8V 2.5V R12 866 GND GND GND VDD E7 OUT SEN 5 SHDN BYP 1 VDD 2 C9 0.01uF R6 3.09K R1 4.02K 4 3 2 1 C5 10uF 0805 VDD 3.3V 5V JP2 R10 1K VCCIO U7 LT1763CS8 +3V C E10 8 IN OUT C23 1uF 0603 SEN SHDN R71 4.99K R69 4.99K 0603 0603 0603 BYP 1 +3V 2 C13 0.01uF C6 10uF R7 1.43K 4 R11 1K U5 LT1763CS8-2.5 U15 24LC024-I /ST +2.5V E8 SCL SDA WP A2 A1 A0 6 5 7 3 2 1 8 IN OUT C21 1uF SEN EEPROM 1 2 3 5 SHDN WP PROG BYP 1 +2.5V 2 C10 0.01uF C11 10uF 4 U6 LT3021ES8-1.2 D4 BAT54WS D2 BAT54WS C25 10pF C16 10pF 1 3 5 7 9 +1.2V E9 D3 BAT54WS IN OUT 2 C22 3.3uF C12 10uF C24 10pF SHDN JTAG 2 4 6 8 10 C41 4.7nF VCCIO JP1 IN 6 VCCD_PLL + BYP C20 1uF 5 B SHDN 1 U4 LT1763CS8 8 8 R15 1K 0603 +1.2V OUT JP9 CYCLONE3-EP3C5E144 L1 BLM31PG391SN1L D VCCIO IN 3 6 7 U8 +3V 8 C46 0.1uF VCC C61 0.1uF 4 R8 1K SEN 5 R70 4.99K 4 C81 0.1uF 1 C74 0.1uF 1 C58 0.1uF 1 C44 0.1uF 2 C31 0.1uF 1 C34 0.1uF 2 U11J 5 29 45 61 78 102 116 134 17 26 40 47 56 62 81 93 117 122 130 139 35 107 37 109 2 19 27 36 41 48 57 63 82 95 108 118 123 131 140 145 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 C86 0.1uF J1 HD2X5-100 ARRAY VCCIO C2 10uF 0805 E6 5 1 3 5 7 9 EEPROM 2 4 6 8 10 +1.2V PWR EDGE-CON-100 FPGA PROGRAM +3V U11A BYP C19 1uF R68 4.99K GND * CYCLONE3-EP3C5E144 SHDN +6V R4 3.92K U3 LT1763CS8 2 CYCLONE3-EP3C5E144 5 8 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 R60 CYCLONE3-EP3C5E144 SEN C7 0.01uF R9 1K BANK8 110 111 112 113 114 115 119 120 121 124 125 126 127 GND E2 2 3 6 7 SDO+ CLKIN BANK5 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 GND GND GND SCK- 38 39 42 43 44 46 49 50 51 52 53 C18 1uF 1 3 6 7 CNVCLK IO1_DIFFIOB1P IO2_DIFFIOB1N IO3 IO4 IO5 IO6_VREF3 IO7_DIFFIOB9P IO8_DIFFIOB9N IO9 IO10_DIFFIOB11P IO11_DIFFIOB11N OUT GND GND GND 33 24 25 28 30 31 32 33 34 E5 C1 47uF 1210 IN 3 6 7 R19 CLK2 CLK3 IO1 IO2 IO3_VREF2 IO4_RUP1 IO5_RDN1 IO6 BANK4 +9V/+10V 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 GND GND GND D 1 2 3 4 7 10 11 22 23 BANK3 8 GND GND GND IO1 IO2 IO3 IO4 IO5_VREF1 IO6_DIFFL4P IO7_DIFFL4N CLK0 CLK1 BANK2 +6V E3 AGND BANK1 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 U2 LT1763CS8 +9V/+10V P1 U11E 3 6 7 U11D GND U11C SEN +1.2V 3 4 U11B 1 TCK TDO TMS B TDI U1 LT1964ES5-SD J2 HD2X5-100 -6V E4 -9V/-10V 1 E1 2 -9V/-10V C3 1uF 3 GND OUT 5 R3 3.92K IN SHDN ADJ 4 C17 10uF 0805 -6V R2 1K CUSTOMER NOTICE A NOTES: UNLESS OTHERWISE SPECIFIED APPROVALS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; TECHNOLOGY HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. D. STUETZLE VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. D. STUETZLE TITLE: SCHEMATIC APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. TRUE DIFFERENTIAL INPUT ADC IC NO. SIZE 1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0402. 2. SEE ASSEMBLY TABLE ON PAGE 1 FOR R67 AND R68 VALUES. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only A B SCALE = NONE DATE: 1 REV. LTC231XIMSE FAMILY DEMO CIRCUIT 2425A Thursday, May 07, 2015 0 SHEET 2 OF 2