SHDN 1 4 NC 9 NC 12 NC 1206 7 NC 4 3 2 C C24 0.1uF R7 45.3 R66 100 0201 R63 4.99 T2 C27 0.1uF J2 C28 0.1uF MABA-007159-000000 5 1 4 3 2 SMA C29 0.1uF R11 45.3 SENSE 0603 C26 2.2uF 0603 AINBAINB+ VDD 5 6 SENSE VREF VCM 7 8 9 10 11 VCM GND AINBAINB+ GND 12 VDD L3 OPT 38 37 CMLA2_P CMLA2_N CMLA1_P CMLA1_N CMLB1_P CMLB1_N CMLB2_P CMLB2_N QFN48UK-7X7 OVDD OVDD VDD R67 100 0201 R65 4.99 OVDD OVDD * U1 AINA- C25 2.2uF R9 24.9 R64 4.99 R10 45.3 AINA+ AINA- R8 24.9 VDD 2 3 GND 4 AINA+ R48 OPT J3 DEVCLK- R44 0 C33 0.01uF MABA-007159-000000 5 1 SMA 4 C34 0.01uF J4 3 R19 OPT C35 0.01uF 2 R43 OPT DEVCLK+ R51 OPT R22 OPT R42 OPT R46 0 R52 OPT R47 4.99 SMA C15 0.1uF C16 0.1uF C17 0.1uF C18 0.1uF C19 0.1uF C20 0.1uF C42 - C49 1000pF 26 25 C21 0.1uF CMLA2_P CMLA2_N CMLA1_P CMLA1_N 30 29 28 27 CML* CONNECTIONS ARE 50 OHMS CMLB1_P CMLB1_N CMLB2_P CMLB2_N OVDD VDD U7 NC7WZ14P6X R24 1k R20 OPT R21 OPT VDD VDD R14 100 C30 R25 1k R15 0 C53 0.1uF R12 0 C14 0.1uF 34 33 32 31 VDD 6 1 4 3 5 VCC GND VDD 3 2 1 2 0.1uF SYNC_N R16 0 J5 SMA ADC_SYS_REF_N R17 100 B CLK+ +3.3V CLK- R26 20 R13 0 R30 300 R27 49.9 R53 OPT R29 20 R28 49.9 C50 0.01uF +3.3V C32 0.1uF C31 0.1uF C52 0.01uF R31 300 C51 0.01uF C SYNC 0 1 JP2 SYNC_P R45 0 T3 B R50 OPT C13 0.1uF 36 35 1206 R49 OPT C12 0.1uF OVDD VDD VDD 49 48 47 1 R6 45.3 OVDD U9 1 2 3 4 5 6 FILTA V+ IN+ INGND FILTB SD1 OUT1+ OUT1OUT2OUT2+ SD2 J6 SMA +3.3V R55 OPT LTC6957IDD-2 EP 1 VDD 13 C23 0.1uF 5 OF+ OF- VDD [3] VDD MABA-007159-000000 DATE 02-25-15 C7 10uF 0805 VDD C22 0.1uF SMA AINB R18 0 GND VDD GND J1 APPROVED CLARENCE M. D VDD GND DEVCLKDEVCLK+ GND AINA R62 4.99 PRODUCTION CS SCK SDI SDO C11 2.2uF 0603 T1 C6 0.01uF 6 BYP 13 14 15 16 17 SENSE DESCRIPTION 3 VDD R5 1k E3 5 SENSE SYNC_N C10 0.1uF D 8 R2 10k 23 24 VDD OVDD L2 33 Ohm FB 42 41 40 39 4 R1 3.01k OFN+ OFNDNC DNC SET C3 100uF 10V 6032 GND VCTRL C5 + 2.2uF 0603 R4 182K REV __ 2 3 OUT OUT IN 21 22 SYNC_P 5 NC 10 11 IN 1206 SYSREF_N 6 3 2 1 9 20 C2 1uF OUT OUT OUT EP ECO +3.3V LT1763CDE-3.3 18 19 SYSREF_P IN U3 V+ EP C1 1uF 7 8 IN VDD L1 0 Ohm RES E4 1 REVISION HISTORY 46 45 44 43 C4 47uF 1210 E2 1.8V OUT LT3080EDD 2 CS SCK SDI SDO U2 V+ E1 3 GND V+ 4V - 6V GND 4 13 5 ADC_SYS_REF_P R60 OPT R41 100 12 11 10 9 8 7 R39 0 J10 R54 OPT FPGA_CLK_P SMA R56 100 R40 0 R61 100 J9 R23 OPT FPGA_CLK_N SMA FPGA_CLK_P FPGA_CLK_N NOTES: UNLESS OTHERWISE SPECIFIED A CUSTOMER NOTICE * 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE IN MICROFARADS, 0402. 2. INSTALL SHUNTS AS SHOWN. 3. R18 IS OPTIONAL AT THE FINAL VERSION. ASSY -B -C U1 LTC2123IUK-14 LTC2122IUK-14 -Bit 14 14 Msps 250 170 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 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. KIM T. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. CLARENCE M. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 3 2 TECHNOLOGY TITLE: SCHEMATIC SIZE N/A SCALE = NONE DATE: IC NO. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DUAL 14-BIT HIGH SPEED ADC WITH JESD204B SERIAL OUTPUTS REV. LTC212XIUK FAMILY 3 DEMO CIRCUIT 1974A Wednesday, February 25, 2015 SHEET 1 1 OF 2 A 5 4 J13A J13B GND DP1_M2C_P DP1_M2C_N GND GND DP2_M2C_P DP2_M2C_N GND GND DP3_M2C_P DP3_M2C_N GND GND DP4_M2C_P DP4_M2C_N GND GND DP5_M2C_P DP5_M2C_N GND GND DP1_C2M_P DP1_C2M_N GND GND DP2_C2M_P DP2_C2M_N GND GND DP3_C2M_P DP3_C2M_N GND GND DP4_C2M_P DP4_C2M_N GND GND DP5_C2M_P DP5_C2M_N GND D C 3 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A29 A30 A31 A32 A33 A34 A35 A36 A37 A38 A39 A40 CMLB1_P CMLB1_N CMLB2_P CMLB2_N SEAM-10X40PIN J13C RES1 GND GND DP9_M2C_P DP9_M2C_N GND GND DP8_M2C_P DP8_M2C_N GND GND DP7_M2C_P DP7_M2C_N GND GND DP6_M2C_P DP6_M2C_N GND GND GBTCLK1_M2C_P GBTCLK1_M2C_N GND GND DP9_C2M_P DP9_C2M_N GND GND DP8_C2M_P DP8_C2M_N GND GND DP7_C2M_P DP7_C2M_N GND GND DP6_C2M_P DP6_C2M_N GND GND RES0 CMLA2_P CMLA2_N 2 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 B33 B34 B35 B36 B37 B38 B39 B40 J7 C1 GND C2 DP0_C2M_P C3 DP0_C2M_N C4 GND C5 GND C6 DP0_M2C_P C7 DP0_M2C_N C8 GND C9 GND C10 LA06_P C11 LA06_N C12 GND C13 GND C14 LA10_P C15 LA10_N C16 GND C17 GND C18 LA14_P C19 LA14_N C20 GND C21 GND C22 LA18_P_CC C23 LA18_N_CC C24 GND C25 GND C26 LA27_P C27 LA27_N C28 GND C29 GND C30 SCL C31 SDA C32 GND C33 GND C34 GA0 C35 12P0V C36 GND C37 12P0V C38 GND C39 3P3V C40 OPT FPGA_GBT_REF_P SMA J8 OPT FPGA_GBT_REF_N SMA PG_C2M GND GND GBTCLK0_M2C_P GBTCLK0_M2C_N GND GND LA01_P_CC LA01_N_CC GND LA05_P LA05_N GND LA09_P LA09_N GND LA13_P LA13_N GND LA17_P_CC LA17_N_CC GND LA23_P LA23_N GND LA26_P LA26_N GND TCK TDI TDO 3P3VAUX TMS TRST_N GA1 3P3V GND 3P3V GND 3P3V FPGA_SYS_REF_P SMA CMLA1_P CMLA1_N J12 FPGA_SYS_REF_N SMA R32 24.9 CS_FMC SDO_FMC CS C37 47pF R33 24.9 SDI_FMC SCK_FMC C38 47pF SCL SDA CS +3.3V R58 1k R59 3.01k R34 24.9 SDO SDO GND SDI SDI C39 47pF R35 24.9 GND SCK SEAM-10X40PIN SEAM-10X40PIN J13D J11 SCK 1 GND CLK0_C2M_P CLK0_C2M_N GND GND LA00_P_CC LA00_N_CC GND LA03_P LA03_N GND LA08_P LA08_N GND LA12_P LA12_N GND LA16_P LA16_N GND LA20_P LA20_N GND LA22_P LA22_N GND LA25_P LA25_N GND LA29_P LA29_N GND LA31_P LA31_N GND LA33_P LA33_N GND VADJ GND FPGA_CLK_P FPGA_CLK_N R57 0 SEAM-10X40PIN C40 47pF J13H J13G D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D40 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26 G27 G28 G29 G30 G31 G32 G33 G34 G35 G36 G37 G38 G39 G40 VREF_A_M2C PRSNT_M2C_N GND CLK0_M2C_P CLK0_M2C_N GND LA02_P LA02_N GND LA04_P LA04_N GND LA07_P LA07_N GND LA11_P LA11_N GND LA15_P LA15_N GND LA19_P LA19_N GND LA21_P LA21_N GND LA24_P LA24_N GND LA28_P LA28_N GND LA30_P LA30_N GND LA32_P LA32_N GND VADJ SYNC_P SYNC_N OF+ OF- SEAM-10X40PIN H1 H2 H3 H4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19 H20 H21 H22 H23 H24 H25 H26 H27 H28 H29 H30 H31 H32 H33 H34 H35 H36 H37 H38 H39 H40 D C SEAM-10X40PIN 3P3VAUX R37 4.99K R36 4.99K VCC 24LC32A GND 1 2 3 U6 4 WP PROG SCL SDA WP A2 A1 A0 ARRAY EEPROM 6 5 7 3 2 1 EEPROM 8 R38 4.99K C41 0.1uF JP1 J13E B A GND HA01_P_CC HA01_N_CC GND GND HA05_P HA05_N GND HA09_P HA09_N GND HA13_P HA13_N GND HA16_P HA16_N GND HA20_P HA20_N GND HB03_P HB03_N GND HB05_P HB05_N GND HB09_P HB09_N GND HB13_P HB13_N GND HB21_P HB21_N GND HB20_P HB20_N GND VADJ GND VDD J13F E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 E21 E22 E23 E24 E25 E26 E27 E28 E29 E30 E31 E32 E33 E34 E35 E36 E37 E38 E39 E40 PG_M2C GND GND HA00_P_CC HA00_N_CC GND HA04_P HA04_N GND HA08_P HA08_N GND HA12_P HA12_N GND HA15_P HA15_N GND HA19_P HA19_N GND HB02_P HB02_N GND HB04_P HB04_N GND HB08_P HB08_N GND HB12_P HB12_N GND HB16_P HB16_N GND HB19_P HB19_N GND VADJ SEAM-10X40PIN SEAM-10X40PIN F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 F32 F33 F34 F35 F36 F37 F38 F39 F40 J13J GND CLK1_C2M_P CLK1_C2M_N GND GND HA03_P HA03_N GND HA07_P HA07_N GND HA11_P HA11_N GND HA14_P HA14_N GND HA18_P HA18_N GND HA22_P HA22_N GND HB01_P HB01_N GND PB07_P HB07_N GND HB11_P HB11_N GND HB15_P HB15_N GND HB18_P HB18_N GND VIO_B_M2C GND SEAM-10X40PIN J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 J14 J15 J16 J17 J18 J19 J20 J21 J22 J23 J24 J25 J26 J27 J28 J29 J30 J31 J32 J33 J34 J35 J36 J37 J38 J39 J40 J13K VREF_B_M2C GND GND CLK1_M2C_P CLK1_M2C_N GND HA02_P HA02_N GND HA06_P HA06_N GND HA10_P HA10_N GND HA17_P_CC HA17_N_CC GND HA21_P HA21_N GND HA23_P HA23_N GND HB00_P_CC HB00_N_CC GND HB06_P_CC HB06_N_CC GND HB10_P HB10_N GND HB14_P HB14_N GND HB17_P_CC HB17_N_CC GND VIO_B_M2C K1 K2 K3 K4 K5 K6 K7 K8 K9 K10 K11 K12 K13 K14 K15 K16 K17 K18 K19 K20 K21 K22 K23 K24 K25 K26 K27 K28 K29 K30 K31 K32 K33 K34 K35 K36 K37 K38 K39 K40 B CUSTOMER NOTICE SEAM-10X40PIN THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 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. KIM T. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. CLARENCE M. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 3 2 TECHNOLOGY TITLE: SCHEMATIC SIZE N/A SCALE = NONE DATE: IC NO. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DUAL 14-BIT HIGH SPEED ADC WITH JESD204B SERIAL OUTPUTS REV. LTC212XIUK FAMILY 3 DEMO CIRCUIT 1974A Wednesday, February 25, 2015 SHEET 1 2 OF 2 A