5 4 3 2 1 REVISION HISTORY ECO REV __ 1 DESCRIPTION APPROVED DATE 1ST PROTOTYPE MARK T. 05-22-14 J2 D GND J1 D C B A CH20 CH18 CH16 CH14 CH12 CH10 CH8 CH6 C CH4 CH2 D1 C1 D2 C2 D3 C3 D4 C4 D5 C5 D6 C6 D7 C7 D8 C8 D9 C9 D10 C10 B1 A1 B2 A2 B3 A3 B4 A4 B5 A5 B6 A6 B7 A7 B8 A8 B9 A9 B10 A10 COM CH19 EEVCC CH17 EESDA CH15 EESCL CH13 CH11 CH9 CH7 CH5 CH3 CH1 HIROSE-FX2-40S-1.27DS INPUT CHANNELS GND BUS 23 22 21 20 19 18 17 16 15 14 13 12 N2 N1 COM CH20 CH19 CH18 CH17 CH16 CH15 CH14 CH13 CH12 23 22 21 20 19 18 17 16 15 14 13 12 23 22 21 20 19 18 17 16 15 14 13 12 23 22 21 20 19 18 17 16 15 14 13 12 23 22 21 20 19 18 17 16 15 14 13 12 23 22 21 20 19 18 17 16 15 14 13 12 23 22 21 20 19 18 17 16 15 14 13 12 23 22 21 20 19 18 17 16 15 14 13 12 N2 N1 COM CH20 CH19 CH18 CH17 CH16 CH15 CH14 CH13 CH12 11 10 9 8 7 6 5 4 3 2 1 CH11 CH10 CH9 CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 11 10 9 8 7 6 5 4 3 2 1 CH11 CH10 CH9 CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 D PHOENIX-1725753 12 SPARE 11 SPARE 10 COM 9 CH20 8 CH19 7 CH18 6 CH17 5 CH16 4 CH15 3 CH14 2 CH13 1 CH12 12 11 10 9 8 7 6 5 4 3 2 1 CH11 CH10 CH9 CH8 CH7 CH6 CH5 CH4 CH3 CH2 CH1 CH0 C J3 PHOENIX-1725753 EEVCC EESDA EESCL R1 OPT 0603 U1 R2 OPT 0603 R3 4.99k 0603 B ARRAY EEPROM 24LC025-I /ST SCL SDA WP A2 A1 A0 6 5 7 3 2 1 EEGND WP 4 GND VCC 8 B C1 0.1uF 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 APP ENG. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. NOTE: UNLESS OTHERWISE SPECIFIED A APPROVALS 1. ALL CAPACITORS ARE IN MICROFARADS, 0603. 2. ALL RESISTORS ARE IN OHMS, THROUGH HOLE. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 TECHNOLOGY KIM T. MARK T. TITLE: SCHEMATIC A EXPERIMENTER BOARD SIZE IC NO. N/A 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 DATE: DEMO CIRCUIT 2210A 05/22/2014, 09:27 AM 2 SHEET 1 1 REV. 1 OF 1