5 4 3 2 1 R1 33 33 U2 NC7SVU04P5X +9V/+10V 1 2 3 C11 0.1uF JP7 COUPLING DC C18 R54 OPT 10uF C44 15pF C0G 4 R48 10 0.1uF 25V C41 3300pF 1206 EXT E5 C59 10uF 6.3V AIN0 - VREF C49 OPT 2 1 6 - C64 6800pF 1206 R9 0 4 IN+ U1 * 2 R15 33 CNVST_33 U4 NC7SVU04P5X R4 0 IN- U6 NC7SZ66P5X 0.8VREF SCK SDO BUSY RDL/SDI 9 5 C15 0.1uF +3.3V B 2 13 A SCK R41 33 14 C VCC 7 8 15 +3.3V C13 0.1uF FS JP6 VREF CNV CNV LTC2380-MS-24 5 OE SDO 11 J3-2 1 4 4 GND BUSY 2 U9 3 12 TP5 NC7SZ04P5X R13 1k C16 0.1uF R17 2k RDL R7 1k R30 * 7 QuikEval_DETECT R51* 10 B NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS AND CAPACITORS ARE 0603 PACKAGE. 2. SCHEMATIC DEPICTS USAGE FOR DC2289A-A. SEE ASSEMBLY OPTIONS TABLE BELOW FOR U1 AND COMPONENTS USED ON ADDITIONAL SKU NUMBERS. R36 OPT C39 OPT DC C48 10uF 6.3V 5 4 R50 0 JP8 COUPLING + OPT R52 0 B C55 6800pF NP0 1206 U10B LT6203-MS8 5 C56 0.1uF 2 REF REF/DGCL C65 OPT 2 C68 AC C10 0.1uF CHAIN C8 1uF C63 1uF 25V R55 0 C9 10uF 6.3V R46 0 EXT_CM J2 BNC C20 47uF 10V 1210 X7R C12 0.1uF 1 R18 249 VREF/2 3 +2.5V V- JP4 CM V- V- - C62 OPT 1 C61 Q 3 7 C7 0.1uF OVDD - PR 8 R8 33 1 3 R57 499 V+ D VCC R37 0 R58 1 2 C57 4.7uF 6.3V C60 10uF 6.3V U5 LT6202-S5 +3.3V 1 3 + 4 + 2 5 R49 499 U10A LT6203-MS8 8 3 V+ C6 10uF 6.3V V+ VREF C45 0.1uF 25V C4 0.1uF VREF R44 0 2 C43 OPT CP Q VREF +3.3V 2 CLR C46 2.2uF 5 GND 1 GND 6 E3 R35 OPT C GND 6 VDD 0 - VREF GND VOUTS 4 +3.3V 7 GND GND GND GND AC R53 0 AIN+ GND VOUTF 3 6 16 10 J4 BNC VIN 1 2 3 4 SHDN 8 D C3 0.1uF +3.3V U3 NL17SZ74 5 U15 LTC6655-MS8-5 CLK 5 NC7SZ04P5X R3 4 3 5 2 3 R6 1k 4 3 R5 49.9 C2 0.1uF 1 2 CLK IN 100MHz MAX 3.3VPP C1 0.1uF U8 3 R2 1k C5 0.1uF 5 J1 BNC D +3.3V 3 +3.3V +3.3V * ASSEMBLY OPTIONS TABLE R56 * OPT C66 OPT SKU# U1 MSPS R30 R51 R56 C41 C55 DC2289A-A LTC2380-24 2 OPT 10 OHMS OPT 3300pF 6800pF 6800pF DC2289A-B LTC2368-24 1 0 OHMS 0 OHMS OPT 3300pF OPT OPT C64 BYPASS CAPS FOR U10 V- V+ C58 1uF A GND C42 0.1uF GND GND C19 0.1uF C17 1uF C40 1uF TP7 TP6 TP4 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 VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. C47 THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 M.HAWKINS APP ENG. GUY HOOVER IC NO. LTC2380-24 LTC2368-24 SKU NO. 0.1uF 3 2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS PCB DES. DC2289A-A DC2289A-B LOW POWER, HIGH SPEED 24-BIT SAR ADC WITH DIGITAL FILTER SIZE: 11X17 SCALE = NONE DATE: SCHEMATIC NO. AND REVISION: PCA ASS'Y DWG: 710-DC2289A_REV 01 705-DC2289A_REV01 Friday, October 23, 2015 SHEET 1 OF 2 1 A 5 4 3 2 1 P1 IO21 33 15 R40 33 C14/C6 IO34 C15/C7 IO35 CNVST_33 IO36 SDO R14 33 34 IO56 SCK IO57 35 RDL IO58 36 BUSY IO61 16 IO66 17 IO38 38 SCK IO67 18 IO68 19 IO40 20 IO41 21 IO42 IO47 IO48 +3.3V C IO49 IO50 R60 10k 0402 40 IO69 41 IO70 42 IO71 47 IO72 48 IO73 49 IO74 50 IO75 55 AUX1_I2C IO82 56 AUX2_I2C IO83 AUX3_I2C IO84 57 58 24/40_I2C 61 66 R45 33 67 R47 33 68 R39 33 69 R38 33 70 R31 33 71 R89 33 72 R88 33 73 R87 33 74 R86 33 75 R85 33 IO85 IO86 0/DB0 IO87 0/DB2 IO89 R79 33 84 R78 33 85 R77 33 86 R76 33 87 R75 33 89 R74 33 91 R73 33 92 R72 33 95 R71 33 96 R70 33 97 R69 33 98 R68 33 99 R67 33 100 R64 33 0/DB3 0/DB4 IO91 0/DB5 IO92 0/DB6 IO95 0/DB7 IO96 0/DB8 IO97 0/DB9 IO98 IO100 C9/C1 0/DB13 0/DB14 0/DB23 TP8 0/DB15 0/DB20 CLKOUT 0/DB19 0/DB16 0/DB18 0/DB17 0/DB17 0/DB16 CLKOUT CLK2 0/DB18 0/DB19 0/DB15 0/DB20 0/DB13 0/DB21 0/DB22 0/DB14 0/DB12 0/DB11 0/DB23 0/DB10 0/DB9 C8/C0 C9/C1 0/DB8 0/DB7 C10/C2 0/DB6 0/DB5 U11E EPM570GT100C4N 0/DB4 R21 10k 1k 0402 R22 1k 0402 62 R59 1k 0402 64 9 (NC) 43 8 7 (NC) 44 6 5 22 4 3 23 2 1 24 4 D 5 +3.3V SHDN E1 +3.3V 2 SENSE/ADJ C25 1uF 25V C27 0.01uF 25V 4 BYP JP3 R25 VCCI0 1.69k +2.5V C26 10uF 6.3V 2 +3.3V R26 1.54k R27 2.8k +3.3V U14 LT1763-S8-2.5 +9V/+10V R34 4.99k 8 5 +2.5V OUT IN SENSE/ADJ C28 1uF 25V SHDN BYP C E2 1 +2.5V 2 C30 0.01uF 25V R19 1k C29 10uF 6.3V 4 U16 LT1763-S8 +9V/+10V 8 DEV_CLRN TDI TDO U11F EPM570GT100C4N GND GND GND GND GND GND GND GND GND GND 10 11 32 37 46 60 65 79 90 93 5 J3-2 +9V/+10V TCK SCK 1 2 3 4 5 6 7 8 9 10 TP2 TP3 SCK CNV CNV 11 12 13 14 C14 0.1uF SCL SDA WP A2 A1 A0 R10 4.99k R11 4.99k J3 QuickEval IN SENSE/ADJ SHDN R12 4.99k BYP 3 2 1 E4 1 V+ 2 4 R42 5.62k JP2 V+ C50 0.01uF 25V 8V R23 6.49k C52 10uF 25V 0805 2 R43 1k B 5V 6 5 7 WP 2 PROG JP1 EEPROM E8 -9V/-10V U17 LT1964-S5-SD 2 -9V / -10V C54 1uF 25V U7 24LC024-I /ST TM V+ OUT C51 1uF 25V TMS VCCINT VCCINT VCCINT VCCINT VCCIO1 VCCIO1 VCCIO1 VCCIO2 VCCIO2 VCCIO2 BYP 1 OUT IN DEV_OE TP1 39 88 13 63 9 31 45 59 80 94 8 GCLK3 R24 1k +3.3V SHDN U13 LT1763-S8 +9V/+10V R33 2k GCLK2 SDO +1.8V 5 C24 10uF 6.3V C23 0.01uF 25V 3 6 7 GCLK1 25 B 0/DB0 C22 1uF 25V C21 22uF 25V GCLK0 14 10 0/DB2 0/DB1 3 +3.3V 12 CLK R20 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 0/DB22 0/DB21 CLKOUT CLK2 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 C8/C0 0/DB3 +3.3V J5 JTAG 83 0/DB1 IO99 R16 300 0402 82 R80 33 0/DB12 E7 GND +1.8V 2 1 R65 IO33 IO55 33 R81 33 C10/C2 GND GND GND 8 C13/C5 30 81 C11/C3 SENSE/ADJ 3 6 7 33 IO30 IO81 0/DB11 IN 3 IO20 7 R61 C12/C4 IO78 AUX0_I2C R82 33 8 +9V/+10V 3 1 IN OUT SHDN GND ADJ 5 R28 2k 4 JP5 V-3.6V V- 1 IO19 33 SCK_I2C 54 78 C12/C4 E9 2 GND R29 1k 3 IO18 R66 IO54 77 0/DB10 1 IO17 6 IO53 29 IO77 R83 33 E10 1 3 IO16 33 IO29 SDI_I2C 53 76 GND GND GND IO15 5 R62 IO28 C11/C3 52 IO76 GND GND GND IO8 33 IO52 28 WRIN_I2C +1.8V OUT 3 6 7 IO7 R63 27 51 C13/C5 U12 LT1763-S8-1.8 +9V/+10V E6 GND GND GND IO6 4 IO51 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 3 6 7 IO5 IO27 3 QuikEval_DETECT R84 33 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 C14/C6 8 IO4 2 26 C15/C7 VCC IO3 D IO26 U11D EPM570GT100C4N VSS IO2 1 U11C EPM570GT100C4N 4 IO1 U11B EPM570GT100C4N 1 U11A EPM570GT100C4N VC53 10uF 25V 0805 +3.3V C32 0.1uF 0402 C33 0.1uF 0402 C34 0.1uF 0402 C35 0.1uF 0402 C36 0.1uF 0402 C37 0.1uF 0402 C38 0.1uF 0402 U18 PCF8574-SSOP20 C67 0.1uF STANDOFF, NYLON 0.25" MP2 STANDOFF, NYLON 0.25" MP3 STANDOFF, NYLON 0.25" MP4 PCB1 STANDOFF, NYLON 0.25" PCB, DC2289A REV01 2 4 3 8 6 7 9 INT SCL SDA NC NC A0 A1 A2 15 MP1 1 GND PCB FAB & HARDWARE A VDD 5 C31 0.1uF 0402 P0 P1 P2 P3 P4 P5 P6 P7 NC NC 10 11 12 14 16 17 19 20 18 13 R90 33 R91 33 R92 33 R93 33 R94 33 R95 33 R96 33 R32 33 24/40_I2C AUX3_I2C AUX2_I2C AUX1_I2C AUX0_I2C SCK_I2C 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 VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. SDI_I2C THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 M.HAWKINS APP ENG. GUY HOOVER IC NO. LTC2380-24 LTC2368-24 SKU NO. WRIN_I2C 2 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: DEMO CIRCUIT SCHEMATIC, APPROVALS PCB DES. DC2289A-A DC2289A-B LOW POWER, HIGH SPEED 24-BIT SAR ADC WITH DIGITAL FILTER SIZE: 11X17 SCALE = NONE DATE: SCHEMATIC NO. AND REVISION: PCA ASS'Y DWG: 710-DC2289A_REV 01 705-DC2289A_REV01 Friday, October 23, 2015 SHEET 2 OF 2 1 A