5 4 3 2 1 REVISION HISTORY LTC CONFIDENTIAL - For Customer Use Only ECO TP9 ENB 1 R8 DESCRIPTION 5 DATE PROD APPROVED 10/08/03 VCC R9 1 TP6 ENA VCC REV D D 10K TP2 10K 1 VCC TP3 TP4 1 VCCO 6 18 GND1 GND6 17 5 IN+ OUT- 16 1 VCC INGND2 OUT+ 15 GND5 14 8 GND3 GND4 13 9 PGA0 PGA3 12 PGA2 11 10 PGA1 C14 R7 255 C15 100pF 100pF C9 J2 6 OUT1 N/C 3 4 C 100pF R19 0 R14 20K VCC TP7 TP5 1 1 TP8 R10 VCC R13 1 10K 1 10K TP14 GND T2 2 10K PGA1 2 1 R12 PGA0 1 GND7 1 GND0 4 4.7uF 2 2 1 C1 100pF 2 19 7 0.47uF R5 0 VCC 6 1 C C16 VCC 3 2 2 2 0.1uF R15 20K C13 1 R1 N/C 20 2 3 ENB 1 4 ENA 2 T1 1 1 IF1 J1 C10 1 C6 0.1uF 1 2 LT5514EFE 2 U1 2 1 VCC C5 0.1uF 1 2 1 VCC 1 TP10 PGA3 1 TP11 PGA2 1 TP12 GND 1 TP15 GND 1 TP16 GND R11 10K B B NOTES: UNLESS OTHERWISE SPECIFIED, 1. 2. 3. A ALL SWITCHES OFF (DOWN) FOR MAX GAIN. ALL OTHER R & C ARE 10% OR BETTER. ALL C ARE RATED 16V OR BETTER. UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES TOLERANCE ON ANGLE - - 2 PLACES - - - 3 PLACES - - INTERPRET DIM AND TOL PER ASME Y14.5M -1994 This circuit is proprietary to Linear Technology and supplied for use with Linear Technology parts. Customer Notice:Linear Technology has made a best effort to design a circuit that meets customer-supplied specifications; however, it remains the customers 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 Applications Engineering for assistance. CONTRACT NO. APPROVALS DRAWN MEI CHECKED THIRD ANGLE PROJECTION TECHNOLOGY TITLE A SCH, LT5514EFE IF AMP/ADC DRIVER APPROVED ENGINEER DESIGNER Monday, April 05, 2004 DO NOT SCALE DRAWING 5 DATE 06-24-02 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 4 3 SIZE CAGE CODE SCALE:NONE 2 DWG NO REV DC550A FILENAME:550A-5.DSN 5 SHEET 1 1 OF 1