5 4 3 2 1 J1 C1 0.1uF HDR2X7-079-MOLEX C3 D SCK LTC2636- CS 6 SCK/SCL 4 MOSI/SDA 7 MISO 5 U2 EEVCC 10 EEGND 12 GND SCL 6 R3 10K 9 SDI R4 10K 10 CLR 6 LDAC 17 GND 16 GND 3 13 GND 8 GND 4 GND Array 5 SDA NC 14 8 SCK 8 VCC EEPROM EESDA 9 EESCL 11 C U1 VOUTA 2 E4 VOUTB 3 E5 VOUTC 4 E6 VOUTD 5 E7 VOUTE 12 E8 VOUTF 13 E9 VOUTG 14 E10 VOUTH 15 E11 D REF VOUTA VOUTB VOUTC VOUTD C VOUTE VOUTF VOUTG VOUTH E12 CLR E13 LDAC LTC PART# -A LTC2636IMS - LZ12 -B LTC2636HMS - LMI12 -C LTC2636CMS - HZ12 -D LTC2636HMS - HMI12 B 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. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. A 5 GND E2 * Assy Table B VCC E1 E3 7 CS/LD 24LC025-I/ST R1 4.99K R2 C4 0.1uF 4.99K 0.1uF U1 * SDI REF 11 CS/LD VCC 1 VUNREG 1 5V 2 C2 10uF 4 3 CONTRACT NO. APPROVALS DRAWN DATE HELEN 8/8/08 Leo Chen 8/8/08 CHECKED TECHNOLOGY LTC2636IMS-LZ12 / LTC2636HMS-LMI12 LTC2636CMS-HZ12 / LTC2636HMS-HMI12 12-Bit, Octal SPI DAC with Internal Reference TITLE APPROVED ENGINEER DESIGNER Wednesday, January 07, 2009 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 SIZE CAGE CODE DWG NO REV A DC1466A-A/B/C/D SCALE: FILENAME: 2 SHEET 1 1 A OF 1