5 4 3 2 1 REVISION HISTORY ECO REV __ PRODUCTION APPROVED DATE MARK T. 03-15-10 CLK R1 100 D DESCRIPTION 1 1 2 3 D+[0...15] + CLK D JP1 D-[0...15] J1 E5403A P1 MEC8-150-02-L-D-EM2 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 C 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 97 99 B R18 1k 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 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 D+15 D-15 D+15 B27 D-15 B26 D+14 D-14 D+13 D-13 D+11 D-11 A25 A24 D-13 B23 D-13 D-12 A23 D+12 B22 GND D+12 A22 D-12 D+11 B21 D+11 GND A21 B20 D-11 D-10 A20 D+10 D-10 CLK+ CLK- GND B17 D-9 D-8 A17 D+8 D-8 B16 GND D+8 A16 B15 CLK+ GND A15 CLK- NC A14 NC A13 GND A12 D+6 D-6 D+2 D-2 D+1 D-1 D+0 D-0 GND D+7 B12 D-7 B11 D-7 D-6 A11 B10 GND D+6 A10 D+7 A9 D-5 B8 D-5 D-4 A8 GND D+4 A7 GND A6 D-2 A5 D+2 D-2 B5 D+3 D-3 D-13 1 2 3 D+12 JP6 D-12 1 2 3 D+11 JP8 GND D+2 A4 D+1 B3 D+1 GND A3 D-1 B2 D-1 D-0 A2 D+0 B1 GND D+0 A1 D-0 DC1321A-B D-3 1 2 3 R13 100 + D10 - JP12 1 2 3 JP14 D+1 JP13 D-1 1 2 3 D-8 JP16 R17 100 + D8 - + D2 D1 1 2 3 + D1 - JP15 D+0 D8 R16 100 + D3 D2 D-2 R15 100 + D9 - D3 1 2 3 1 2 3 D9 + D4 - JP11 D+2 D-0 C D4 1 2 3 JP9 R11 100 + D11 - + D5 - B D0 1 2 3 + D0 - JP17 R1-R17 OPT 100 NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603. 2. INSTALL SHUNTS AS SHOWN. 5 D+4 JP7 D10 R14 100 CUSTOMER NOTICE A D-5 D-4 + D6 D5 1 2 3 D+3 1 2 3 D-10 D+8 D+5 JP5 D11 D-9 B4 D-6 R9 100 + D12 - + D7 D6 1 2 3 R7 100 + D13 - JP10 D+9 JP3 D12 R8 100 D-4 D+6 D13 R6 100 D+4 D-7 R5 100 + D14 - JP4 R12 100 GND D-3 D-14 D+10 D+5 B6 1 2 3 D-11 B9 D+3 R4 100 D7 1 2 3 D14 R10 100 D+5 B7 D+3 D-3 DC1321A-A D+9 A18 B13 D+4 D-4 ASSY TYPE GND D+10 B18 R3 100 + D15 - JP2 D+13 A19 B14 1 2 3 D+14 D-11 D-9 D15 R2 100 D-15 D+13 GND D+8 D-8 D+5 D-5 D-14 D-14 GND D+14 D+9 D+6 D-6 D+14 B24 B19 D+7 D-7 D-15 A26 B25 D+10 D-10 D+9 D-9 A27 D+13 D+12 D-12 D+7 D+15 D+15 GND 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. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 4 3 APPROVALS PCB DES. APP ENG. TECHNOLOGY AK. MARK T. 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 ADC LOGIC PROBE ADAPTER BOARD SIZE N/A SCALE = NONE 2 DATE: IC NO. REV. DEMO CIRCUIT 1321A Friday, March 12, 2010 2 SHEET 1 1 OF 1 A