A B C D E REVISION # REVISION HISTORY SD PC AD FD 0 0 0 0 2 2 2 DESCRIPTION DATE APPROVED 01/13/09 PhilipK 1st Release Update (U1)LTC part No. 2 4 4 VBIAS E1 VOCM E2 V+ BIAS 1 V+ 2 3 GND JP1 R1 J1 C1 R3 R4 0.1uF 0 Ohm 0 Ohm R5 (Opt) R2 VINA + C18 * (Opt) (Opt) 3 R6 (Opt) C2 (Opt) C19 R7 0 Ohm 1 2 J2 C5 R9 (Opt) R10 0.1uF J3 C8 0 Ohm R15 VINB + 0.1uF 0 Ohm C20 5 0 Ohm R13 6 0 Ohm R16 8 7 9 R17 (Opt) C12 (Opt) C21 R18 0 Ohm C11 0.1uF 10 11 VOUTA - +IN4A -OUTA +IN1A V+A BIAS_A V- -IN1A VOCM_A -IN4A +OUTA V- V- +IN4B -OUTB +IN1B V+B BIAS_B V- -IN1B VOCM_B -IN4B +OUTB J5 21 V+ 20 15 14 13 C14 R21 (Opt) R22 0.1uF 0 Ohm 0 Ohm C3 10pF VOUTA + R12 C6 49.9 1% 17 16 49.9 1% C4 0.01uF 19 18 3 R8 22 0.1uF C7 10pF J6 VOUTB - R14 J7 49.9 1% V+ C9 10pF C10 0.01uF VOUTB + R19 12 J8 49.9 1% GND R20 (Opt) 2 4 (Opt) (Opt) J4 3 (Opt) R11 VINA - (Opt) U1 C13 10pF 23 R23 VINB - 2 (Opt) R24 (Opt) V+ V+ 2.7V - 5.5V E3 E4 C15 10uF C16 1uF * C17 0.1uF GND ASSY -A LTC6605IDJC-7#PBF -B LTC6605IDJC-10#PBF -C LTC6605IDJC-14#PBF 1 APPROVALS 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. A B C DRAWN: Rudy Bautista ENGINEER: U1 Philip K. LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD MILPITAS, CA. 95035 (408)432-1900 (408)434-0507 (FAX) Title: LTC6605IDJC-7/-10/-14 APPROVED: CHECKED: Date: Monday, April 13, 2009 D SD Document Number 1 www.linear.com LTC Confidential For Customer Use Only Dual Matched, Pin Programmable Amplifier and Low Pass Filter Rev Demo Circuit 1422A C:\ORCADWIN\CAPTURE\1422A\1422A_00_REV2.DSN E Sheet 2 1 of 1