5 4 3 2 ECO REV DESCRIPTION APPROVED FIRST PROTOTYPE 1 1 VLADIMIR O. DATE 11/19/2010 - E1 REVISION HISTORY D D NOTE: UNLESS OTHERWISE SPECIFIED E2 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE 0603. VCC VCC R1 1K D+ 6 D+ VPTAT 2 EXT 3 4 INT 5 6 VREF GND JP2 D- GND 3 2 2 D- Q1 1 E6 C LTC2997IDCB E4 3 C2 470pF 1 U1 1 Q1 MMBT3904 E3 4 4 Q1 VCC EXT 3 5 C1 0.1uF 2 6 7 JP1 5 C INT 1 E5 E7 B B CUSTOMER NOTICE 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. MH VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. VLADIMIR O. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 TECHNOLOGY TITLE: SCHEMATIC A REMOTE / INTERNAL TEMPERATURE SENSOR SIZE 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 LTC2997IDCB IC NO. DEMO CIRCUIT 1767A DATE: 11/19/2010 2 REV. 1 SHEET 1 1 OF 1