1 2 3 4 5 6 7 8 4 5 6 LOGIC0 0 J1 SW3 1 UP SGND CS AGND 2 G1 4 G2 6 3 RST 1 CS 2 EN A G0 RST AGND OPOUT G3 8 F0 10 F1 12 F2 14 F3 16 RST 18 CS 20 EN 22 J2 OPOUT R14 OPOUT 1 OPT + 5 4 3 2 C11 OPT 2 OPV+ C9 OPT ENABLE 1 3528 OPV+ JP1 B R1 OPT SGND 3 2 R2 OPT OUT 1 R13 10K LOGIC1 - LOGIC1 OPV- 5 4 3 2 1 12 2 11 3 10 C 4 9 5 8 6 R5 10K 11 14 13 16 15 18 17 20 19 22 21 24 23 R6 10K R7 10K 9 11 13 15 17 19 21 23 LOGIC1 V- 1 V+ U2 C10 OPT 1 R15 C4 0.1 220 R16 220 F3 R17 220 F2 R18 220 F1 R19 F0 R20 220 220 3 4 5 6 7 8 R26 OPT OUT 16 IN V- 15 AGND EN 14 V+ CS/HOLD 13 RST F3 12 G3 F2 G2 F1 G1 F0 G0 11 10 9 C5 0.1 C6 1.0 LOGIC1 R8 10K R9 10K R10 10K 1 R11 10K 0 R21 220 R22 220 G3 1 12 R23 220 G2 2 11 R24 220 G1 3 10 R25 220 G0 4 9 5 8 RST SW1 C LTC1564CG F0 7 F1 F2 F3 G3 G2 G1 G0 6 V+ 1 V+ 2 C8 10UF 16V LOGIC1 LOGIC1 LOGIC0 1210 SGND LOGIC0 7 UP JP4 SGND V- JP3 3 SINGLE SUPPLY AGND 1 1210 V- LINEAR TECHNOLOGY CORPORATION D 1 2. SWITCHES ARE SHOWN WITH ROCKER IN "UP" POSITION, GI V- 3 L T C C O N F IDENTIAL-FOR CUSTOMER USE ONLY Title LOGIC-0 RETURN 2 RE IN MICROFARADS, 0805. VING A LOGIC 1 STATE. DIGITALLY PROGRAMMABLE AMPLIF IER AND FILTER LOGIC0 Size LOGIC0 A Document Number 3 4 5 6 Rev A DC393A-LTC1564CG Date: Wednesday, March 14, 2001 2 D 1630 McCARTHY BLVD. MILPITAS, CA 95035 (408) 432-1900 (408) 434 - 0507 FAX JP2 UNLESS OTHERWISE SP ECIFIED 1. ALL RESISTORS ARE IN OHMS, 0805; ALL CAPACITORS A AGND DUAL SUPPLY 2 C7 10UF 16V 1 12 7 J4 IN UP NOTES: 9 A 5 B IN 3528 R3 0 R4 10K 7 10 3 R12 10K + LOGIC1 8 0.1 0 SW2 5 C2 OPT 2 1 3 6 IN 6 OPV- C3 OPT 4 1 LOGIC0 + 4 J3 OUT R27 10K 0.1 7 C12 OPT OUT 24 LOGIC0 C1 OPT U1 TBD 3 1 2 3 4 5 OPT 2 7 Sheet 1 of 1 8