A B C D E REVISION HISTORY ECO REV DESCRIPTION 1st PROTOTYPE 0 DATE APPROVED <DATE> <APPROVED> VDDIN 2 DC 3 4 R3 1.87K 1% E2 E3 C2 VDDIN INT 1 R4 1.87K 1% AC 1 2 DC 3 4 1uF R9 1.87K 1% VDDIN C10 0.1uF 0.1uF 1 V+IN 4 24 JP4 23 VDDIN 7 8 R11 1.87K 1% C15 VDDA C9 3 J6 4 C14 AC 1 DC 3 BIN1uF 2 CW +OUTB -INB -OUTB J7 25 C13 10pF 5% 18 13 12 GND GND LPP1(CS) 6 3 VOUTB- 49.9 1% CLK C16 0.1uF 11 HFF1(SDI) 10 LPP0(SCLK) 9 J8 R10 INT 1 2 3 4 EXT JP6 R14 J9 CLK_IO R13 52.3 1% 909 1% U1 LTC6602CUF or LTC6603CUF R15 200K RBias1 * E6 R17 0V - VDDA VCLK CW R18 200K RBias2 E9 SCLK GAIN1 E7 EXT VOCM 1V - 2V C12 10pF 5% 19 CLKIO PAR_SER 17 CLKCNTL 5 HFF0(SDO) VOUTB+ 49.9 1% 15 GAIN1(NC) 14 * R16 +INB GAIN0(DO) 22 E5 -OUTA MUTE 21 VBIAS +OUTA -INA VOCM 20 4 +INA RBIAS 3 MUTEX 0.1uF JP5 R12 1.87K 1% 2 VOUTA- 49.9 1% 2 DC 3 1uF J4 R5 R8 R7 1.87K 1% AC 1 BIN+ C7 10pF 5% 0.1uF JP3 R6 1.87K 1% VDDIN C6 4 JP2 4 C4 10pF 5% 4.7uF 6.3V 2 3 EXT 0.1uF VOUTA+ 49.9 1% C3 4.7uF 6.3V VDDIN C8 C11 R2 E4 JP1 AIN- J5 GND J3 E1 C5 J2 VDDA 2.7V - 3.6V 2 1uF VDDIN 2.7V - 5.5V GND 16 AIN+ 4 R1 1.87K 1% AC 1 V+A C1 V+D J1 SCLK E10 CSX E11 SDI E8 GND SDO 2 CSX GAIN0 SDI R19 E12 52.3 1% E13 SDO GND VDDA H MUTEX 1 GAIN0 1 H 2 3 L GAIN1 H 2 3 L JP7 JP8 1 LPF0 H 2 3 L JP9 1 LPF1 H 2 3 L JP10 HPF0 1 3 L JP11 HPF1 1 H 2 1 H 2 3 L JP12 H CLKCNTL 1 2 3 L JP13 PAR_SERX 1 H 2 3 L JP14 2 3 L JP15 1 1 ASSY -A -B A U1 LTC6602CUF LTC6603CUF JP7 XJP7 - 1 & 2 OPEN JP12 JP13 XJP13 - 2 & 3 XJP12 - 2 & 3 OPEN OPEN B * R16 54.9K 30.1K APPROVALS * R17 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. 47.5K 30.1K C DRAWN: Rudy Bautista ENGINEER: Philip Karantzalis LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD MILPITAS, CA. 95035 (408)432-1900 (408)434-0507 (FAX) Title Date: D Thursday, October 02, 2008 LTC Confidential For Customer Use Only LTC6602CUF/LTC6603CUF APPROVED: CHECKED: www.linear.com SD Document Number DUAL PROGRAMMABLE FILTER Rev Demo Circuit 1304A C:\ORCADWIN\CAPTURE\1304A\1304A_02_REV2.DSN E Sheet 2 1 of 1