1 REF- CH13 22 CH14 23 CH15 7 COM 3 2 1 37 A2 38 VCC REF+ GND 39 30 REF- GND 34 1 1 2 C13 0.01uF TP33 R8-R10 = 4.99K 1% 1 3 JP4 A0 3 JP5 A1 3 ADDRESS SELECTION C11 0.1uF U3 24LC025 8 VCC A0 1 7 WP A1 2 6 SCL A2 3 5 SDA VSS 4 TP28 SMT Pad 9 EESDA 11 EESCL 12 EEGND 14 NC TP29 C SMT Pad JP6 A2 3 GND TP23 GND TP26 GND TP27 4 C29 1uF A1 1 1 JP3 REF- 36 R12 10K Ext. 2 3 GND 6 1 JP2 COM Ext. VOUT JP1 REF+ GND VIN GND 2 2 U4 LT1236ACS8-5 5V V+ C12 4.7uF 6.3V A0 29 TP24 FO 35 MISO EEVCC GND 21 FO FO GND CH12 5 10 B 3 20 SDA/MOSI GND CH11 SDA 8 19 SCK 7 13 CH10 CS 3 R9 18 5V 6 4 R10 CH9 TP32 V+ 2 2 R8 17 TP31 1 SCL 2 CH8 SDA 0 16 SCL TP30 1 C10 0.01uF CH6 CH7 24 2 C9 4.7uF 6.3V MUXOUTP 15 GND TP22 CH5 14 MUXOUTP 0 REF+ R2 0 J2 HD2X7 V+ TP13 1 TP21 25 Pwr GND TP25 ADCINN 0 COM ADCINP VCC TP20 C8 10uF 6.3V TP9 GND TP19 TP7 33 CH15 C7 0.01uF ADCINP GND TP18 27 26 GND TP17 CH14 CH4 A ADCINN 32 TP16 CH13 12 MUXOUTN 31 TP15 CH12 8 MUXOUTN exposed pad, solder side TP14 CH11 CH3 13 TP12 CH10 11 GND CH9 CH2 6 TP11 CH1 GND CH8 7 VCC R1 0 GND TP10 9 10 1 CH7 CH0 5 TP8 8 4 TP6 CH6 C15 0.1uF VCC TP5 CH5 6 C3 0.01uF U1 (See Table) TP4 CH4 C C2 4.7uF 6.3V TP3 CH3 5 VCC TP2 CH2 B 4 TP1 CH1 Ext. A 3 28 CH0 2 Table ASSEMBLY D U1 Bits DC1012A-A LTC2499CUHF 24 DC1012A-B LTC2497CUHF 16 DC1012A-C LTC2495CUHF LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY 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. 16/PGA NOTES: 1 2 3 4 5 6 D LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD. MILPITAS, CA. 95035-7487 VOICE (408) 432-1900 Title Size FAX (408) 434-0507 24-/16-Bit Easy Drive 8-/16-Channel Delta Sigma ADC with I2C Interface Document Number Date:Thursday, January 04, 2007 7 Rev Demo Circuit 1012A-A/B/C Sheet 1 of 8 1