OVP U4 5 3 JP1 OVP GND 2 NC7SV86P5X 1 4 2 3 1 C1 0.1uF OVP 20 U2 VCC 4 17 B1 A1 3 A0 2 B0 OVdd CLKOUTA 41 Ain+ 12 ENC+ DB14 37 13 ENC- DB13 36 14 GND DB12 35 15 Vdd DB11 34 16 Vdd DB10 33 19 2 2 3 3 4 4 6 6 5 RN1A 33 5 7 33 7 8 8 RN1B 9 9 10 10 RN1C 33 10 11 RN1D 33 11 12 12 GND 13 33 13 14 14 RN2A 15 33 15 16 16 RN2B 17 33 17 18 18 RN2C 19 RN2D 33 19 20 20 20 21 RN3A 33 21 22 22 VCC 23 23 24 24 33 A7 9 RN3B 25 26 A6 33 26 B6 RN3C 25 8 27 28 7 33 28 A5 RN3D 27 B5 29 30 A4 6 33 30 B4 RN4A 29 31 32 A3 33 32 B3 RN4B 31 5 33 34 4 33 34 A2 RN4C 33 B2 35 36 A1 3 33 36 B1 RN4D 35 37 37 38 38 A0 2 39 39 40 40 T/R 1 GND 10 B7 B0 OE 3201S-40G1 74VCX245BQX 1 4 R17 10K U6 24LC025 2 U5 NC7SV86P5X 1 2 3 4 C14 0.1uF 32 31 30 29 28 OVdd DB15 OGND GND 38 DB9 39 DB8 40 OFB DB7 CLKOUTB DB6 GND DB5 Ain- 11 27 9 10 * 1 5 U1 1 1 3 DA7 DA8 OGND 16 33 T/R OE 49 50 51 52 54 55 56 57 53 DA9 DA10 DA11 DA12 DA13 OFA DA14 15 DA0 GND Vdd C16 0.1uF 14 18 17 C15 0.1uF 46 17 DB4 5.1 C12 0.01uF DA4 42 26 R29 13 43 25 R33 100 47 DA1 DB3 R28 49.9 DA5 Vdd DB2 C11 8.2pF 2 5 1 MABA-007159-000000 DA6 12 44 DB1 5.1 11 48 DA2 24 R27 49.9 3 J1 R5 OGND 1K R4 TBD R3 1K A2 DA3 23 0.01uF J3 B2 Vdd DB0 C30 4 16 GND 6 R26 0.01uF 5 5 8 C10 A3 45 22 C8 2.2uF DA15 Vcm 21 C3 0.01uF T2 6 B3 4 7 ENCODE INPUT A4 R7 1 GND 3 100 C9 0.01uF B4 15 3 R8 Sense 2 LVDS * 1 DITH * 10 10 RAND C6 0.01uF C7 7 14 R14 MODE C28 58 R13 59 * * A5 U3 60 R12 33.2 B5 OVP 61 * 62 1 63 2 SHDN 5 GND R31 1 8 13 74VCX245BQX 20 5 R32 C5 19 2 J2 3 18 * T3 4 64 3 9 A6 19 PGA 4 A7 B6 18 10 R11 33.2 3 L1 2 B7 12 2.2uF * VDD GND 2 11 C2 ANALOG INPUT JP4 RAND VDD GND R10 10 T1 MABA-007159-000000 JP3 PGA R2 10K 1 1 C4 0.01uF R30 R9 R1 10K OPEN VDD 2 * JP2 SENSE R6 TBD 3 VDD A0 VCC A1 WP A2 SCL A3 SDA R18 10K R19 10K C13 0.1uF 8 7 6 5 C17 0.1uF C18 0.1uF C19 0.1uF VDD R20 10K R21 10K 3 JP5 SHDN GND VDD 3 OVP 2 JP6 DITH GND VDD 2 VDD R25 VDD VERSION TABLE Assembly Type U1 T3 C5 C7,C28 R30 R31,R32 L1 INPUT FREQUENCY Bits Msps 1 * 1 E1 + C27 100uF 6.3V opt. GND DC854D-A LTC2208CUP MABAES0060 4.7pF 8.2pF 86.6 86.6 56nH 1MHz < Ain < 70MHz 16 130 E3 LTC2208CUP WBC1-1L 1.8pF 3.9pF 182 43.2 18nH 70MHz < Ain < 140MHz 16 130 E4 DC854D-C LTC2208CUP-14 MABAES0060 4.7pF 86.6 86.6 56nH 1MHz < Ain < 70MHz DC854D-D LTC2208CUP-14 WBC1-1L 1.8pF 3.9pF 182 43.2 18nH 70MHz < Ain < 140MHz 14 130 DC854D-E LTC2217CUP MABAES0060 4.7pF 8.2pF 86.6 86.6 56nH 1MHz < Ain < 70MHz 16 105 DC854D-F LTC2217CUP WBC1-1L 1.8pF 3.9pF 182 43.2 18nH 70MHz < Ain < 140MHz 16 105 DC854D-G LTC2216CUP MABAES0060 4.7pF 8.2pF 86.6 86.6 56nH 1MHz < Ain < 70MHz 16 80 DC854D-H LTC2216CUP WBC1-1L 1.8pF 3.9pF 182 43.2 18nH 70MHz < Ain < 140MHz 16 80 DC854D-I LTC2215CUP MABAES0060 4.7pF 8.2pF 86.6 86.6 56nH 1MHz < Ain < 70MHz 16 65 DC854D-J LTC2215CUP WBC1-1L 1.8pF 3.9pF 182 43.2 18nH 70MHz < Ain < 140MHz 16 65 14 1 C23 4.7uF DC854D-B 8.2pF VDD +3.3V R22 105K U7 8 IN 7 6 5 C22 OUT 1 GND ADJ 2 GND GND 3 SHDN BYP 4 1.0uF C25 0.1uF R23 100K C21 0.01uF LT1763 OVP C20 10uF 6.3V C26 0.1uF 130 CUSTOMER NOTICE 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. THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. CONTRACT NO. APPROVALS DRAWN June Wu DATE 10/25/04 TECHNOLOGY TITLE LTC2208 FAMILY CHECKED 16-BIT HIGH SPEED ADC APPROVED ENGINEER D. Redmayne DESIGNER 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 10/25/04 SIZE CAGE CODE Monday, November 19, 2007 SCALE: FILENAME: DWG NO REV DC854D SHEET D 1 OF 1