C26 0.1UF 3 4 5 6 7 8 9 10 R29 10 C35 1UF 2 R35 120 4 U8 NC7SU04M5X R36 49.9 NOTES: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0402. ALL CAPACITORS ARE 0402. 2. INSTALL SHUNT ON JP1(1&2). R28 10 T/R 2 VCCA 124 VCCB 23 VCCB A0 A1 A2 A3 A4 A5 A6 A7 OE B0 B1 B2 B3 B4 B5 B6 C27 1UF 22 21 20 19 18 17 16 15 U3 FXLH42245 2 1 A0 2 A1 U9 NC7SU04M5X * FOR ASSEMBLYBITS VERSIONS U1 -A LTC2246HLU -B LTC2226HLU 14 12 CUSTOMER NOTICE MSPS 25 25 LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S 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 TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. 4 3 B C33 0.1UF 2 U10 4 C40 4.7PF 1 7 C37 1UF C C31 0.1UF U7A NL27WZ86 R32 10K R33 10K R34 10K C38 0.1UF VCC 8 WP 7 3 A2 SCL 6 4 VSS SDA 5 24LC025-I /ST CONTRACT NO. APPROVALS DRAWN: TECHNOLOGY KIM T. TITLE: SCHEMATIC CHECKED: APPROVED: ENGINEER: CLARENCE M. DESIGNER: THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 J4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 3201S-40G1 U2 FXLH42245 5 C36 0.01UF 3 ENCODE INPUT C39 0.1UF R31 49.9 GND D 22 21 20 19 18 17 16 15 3 J3 SMA R30 1K VDD C32 0.1UF OE B0 B1 B2 B3 B4 B5 B6 GND GND GND GND B7 C19 0.1UF D6 18 D5 17 5 C34 0.1UF R27 3.3 +5V 0603 C14 1UF 4 10 9 OGND 20 D7 19 VDD R26 1K E4 R11 6.81K 25 11 12 13 14 * 7 VDD 8 GND C30 0.1UF D8 22 OVDD 21 U1 CLK C25 0.1UF D10 24 D9 23 A0 A1 A2 A3 A4 A5 A6 A7 T/R 2 VCCA 124 VCCB 23 VCCB C24 2.2UF 0603 3 4 5 6 7 8 9 10 GND GND GND GND B7 3 GND 4 REFH 5 REFL 6 GND C29 0.1UF A C13 0.1UF 1 AIN+ 2 AIN- VDD B ADJ 4 C7 10UF 0603 E3 VDD L1 47 OHMS 25 11 12 13 14 RIN12 C20 0.1UF C28 0.1UF R5 3.24K LT1761ES5-SD VCCB D11 25 C17 12PF C18 12PF C23 1UF 3 SHDN R10 3.65K D4 RIN+ 12 R24 27 OPT C22 0.1UF OUT 5 VCCA C15 VDD 0.1UF R25 +5V 2.2 C21 0.01UF ADJ 4 +5V 1 IN 2 GND C5 1UF C6 10UF 0603 R20 OPT C12 2.2UF 0603 R23 27 OPT LT6600CS8-20 C C11 0.1UF OPT C16 0.01UF OPT OUT- 5 R4 6.34K R15 10K 16 3 V+ 4 OUT+ IN+ 8 VMID 7 V- 6 R18 OPT D13 27 D12 26 1 IN2 VOCM R17 10 OPT D2 U6 U5 OUT 5 C9 2.2UF 0603 VDD D3 R19 OPT VDD LT1761ES5-SD 15 SINGLE ENDED INPUT R22 57.6 OPT R14 OPT R9 10K 14 -AIN R21 402 OPT C8 8.2PF R8 49.9 +5V R13 402 OPT R16 57.6 OPT +AIN J2 SMA TERM BLOCK JP1 OPT 50 OHMS HD1X3-079 3 SHDN R7 10 MODE 29 OF 28 C10 0.1UF OPT VDD R6 10 1 IN 2 GND C4 1UF D1 J1 SMA 1 2 3 C3 0.1UF D0 R12 49.9 OPT R3 24.9 13 1 ETC1-1TTR +5V U4 OE 5 1 +5V 12 2 2 E1 E2 EXTREF GND R2 49.9 11 D R1 24.9 3 VDD 32 VCM 31 SENSE 30 C2 0.1UF T1 4 3 SHDN C1 0.1UF 4 8 5 SIZE A DATE: 2 DWG NO. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 LTC Confidential-For Customer Use Only HIGH TEMP ADC DC1152A-1 * LTC2200 FAMILY Wednesday, February 07, 2007 SHEET 1 REV A-1 1 OF 1 A