1UF 3 E5 IN+ 2 R7 0 JP2 REF- EXT C R8 100 E6 IN- J2 1 GND GND GND 16 2 REF+ VCC 3 REF- REF+ 4 IN+ REF- 5 IN- IN+ 6 IN- 7 SDI CS 11 EXT 10 8 GND GND C8 330PF R9 0 BUSY 15 FO 14 SCK 13 SD0 12 9 R6 0 1 I1 2 GND 3 I0 C11 0.1UF R2 100 VCC U3 C9 330PF E7 OPT R3 LTC2440CGN R10 100 GND FO U1 REF- D C5 0.01UF E4 C6 4.7UF,6.3V 0805 1 R1 49.9,1% VCC J1 SMA 2 3 4 5 3 U2 EXT S 6 VCC 5 1 4 2 A1 3 A2 4 VSS 24LC025 Z NC7SZ157P6X VCC C10 0.1UF TRIGGERED Q 5 Q 3 2 GND VCC 8 CLR PR 7 CP SCL 6 SDA 5 R11 4.99K 1% 2 3 SCK 3 4 MISO 4 5 CS 5 6 MOSI 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 R5 4.99K 1% C NORMAL 3 B 1 JP3 TRIG MODE 6 R4 10K 1 VCC 8 WP 7 1 2 2 JP4 OPT D 4 1 CP 2 A0 1 VCC HD2X7-079-MOLEX U4 NL17SZ74US B U5 VIN NOTES: UNLESS OTHERWISE SPECIFIED CONTRACT NO. APPROVALS 1. ALL RESISTORS ARE IN OHMS, 0603. ALL CAPACITORS ARE IN MICROFARADS, 0603. A DRAWN: 2. INSTALL SHUNT ON JP1-JP3 PIN 1 AND 2. TECHNOLOGY KIM T. CHECKED: TITLE: DESIGNER: SIZE A DATE: 5 4 3 SCHEMATIC HIGH SPEED DELTA SIGMA ADC APPROVED: ENGINE

., CHIP 100 1/16W 5% 0603 AAC, CR16-101JM 3rls 14 3 R3, R7, R9 RES., CHIP 0 1/16W 5% 0603 AAC, CJ06-000M 15 1 R4 RES., CHIP 10k 1/16W 5% 0603 AAC, CR16-103JM 16 2 R5, R11 RES., CHIP 4.99k 1/16W 1% 0603 AAC, CR16-4991FM 17 0 R6 RES., 0603 OPT 18 1 U1 I.C., LTC2440CGN#PBF, SSOP16GN LINEAR TECH., LTC2440CGN#PBF 19 1 U2 I.C., LT1236ACS8-5, SO8 LINEAR TECH., LT1236ACS8-5#PBF 20 1 U3 I.C., NC7SZ157P6X, SC70-6P FAIRCHILD SEMI., NC7SZ157P6X 21 1 U4 I.C., FLIP FLOP D-TYPE LOG US8 ON SEMI., NL17SZ74USG 22 1 U5 I.C., EEPROM 2k BIT 400kHz 8TSSOP MICROCHIP, 24LC025-I /ST 3rls 6 dc570fa Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. A B C GND IN- IN+ REF- REF+ VCC GND E6 E7 R9 0 E5 5 C6 4.7UF,6.3V 0805 C9 1UF R10 100 C8 1UF R8 100 1 5V 2 EXT

ND VCC 2 15 BUSY REF + 3 14 fO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0C to 70C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP -40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V VREF VCC , -0.5

ND VCC 2 15 BUSY REF + 3 14 fO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0C to 70C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP -40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN Resolution (No Missing Codes) 0.1V VREF VCC , -0.5 * VREF VIN 0.5

ND VCC 2 15 BUSY REF + 3 14 fO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0C to 70C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP -40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V VREF VCC , -0.5

ND VCC 2 15 BUSY REF + 3 14 fO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0C to 70C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP -40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V VREF VCC , -0.5

ND VCC 2 15 BUSY REF + 3 14 fO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0C to 70C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP -40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V VREF VCC , -0.5

REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W http://www.linear.com/product/LTC2440#orderinfo LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2440CGN#PBF LTC2440CGN#TRPBF 2440 Narrow 16-Lead SSOP 0C to 70C LTC2440IGN#PBF LTC2440IGN#TRPBF 2440I Narrow 16-Lead SSOP -40C to 85C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix. ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (

1 56M5703 2.90 2.27 3.47 2.73 3.65 2.93 3.65 2.85 4.13 2.43 4.13 4.16 3.65 2.72 3.65 3.71 4.13 3.11 4.13 2.43 3.95 3.12 LTC2422IMS#PBF LTC2428CG#PBF 2.7V to 5.5V ... 2.7V to 5.5V 100 1 1 10-MSOP 28-SSOP 56M5532 56M5544 9.75 8.21 10.17 10.35 LTC2420CS8#PBF LTC2440CGN#PBF LTC2446CUHF#PBF LTC2449CUHF#PBF LTC2480CMS#PBF 1 1 8 16 1 2.7V to 5.5V 4.4V to 5.5V 4.5V to 5.5V 4.5V to 5.5V 2.7V to 5.5V 7.5 3.5 8 kSPS 8 kSPS 6.8 1 40 40 40 0.48 8-SOIC 16-SSOP 38-QFN 38-QFN 10-DFN 56M5512 56M5608 56M5640 56M5664 56M5682 8.27 6.50 11.17 10.58 14.35 11.99 14.35 12.27 3.70 3.75 1 1 1 1 2 2 16 1 1 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 2.7V to 5.5V 4.4V to 5.5V 7.5 7.5 7.5 15 7.5 7.5 7.5 ... 3.5 kHz 1 1 1 1 1 1 1 1 40 8-SOIC 8-SOIC 16-SSOP 16-SSOP 10-SOP 16-SSOP 28-SSOP 16-SSOP 16-SSOP 56M5400 56M5404 56M5440 56M5496 56M5416 56M5464 56M5504 56M5476 56M5612 10.10 10.65 12.15 11.53 10.65 8.36 10.65 7.47 10.92 10.34 9.46 8.18 13.50 12.83 12.15 12.39 10.88 12.64 24-B

to 85C Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C ORDER PART NUMBER TOP VIEW GND 1 16 GND VCC 2 15 BUSY REF + 3 14 FO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 LTC2440CGN LTC2440IGN GN PART MARKING 2440 2440I GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX Resolution (No Missing Codes) 0.1V VREF VCC, -0.5 * VREF VIN 0.5 * VREF, (Note 5) Integral Nonlinearity VCC = 5V, REF+ = 5V, REF- = GND, VINCM = 2.5V, (Note 6) REF+ = 2.5V, REF- = GND, VINCM = 1.25V, (Note 6) 5 3 15 ppm of VREF ppm of VREF Offset Error 2.5V REF+ VCC, REF- = GND, GND IN+ = IN- VCC (Note 12) 2.5 5 V Offset Error Drift 2.5V REF+ VCC, REF- = GND, GN

to 85C Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C ORDER PART NUMBER TOP VIEW GND 1 16 GND VCC 2 15 BUSY REF + 3 14 FO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 LTC2440CGN LTC2440IGN GN PART MARKING 2440 2440I GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V VREF VCC, -0.5 * VREF VIN 0.5 * VREF, (Note 5) Integral Nonlinearity VCC = 5V, REF+ = 5V, REF- = GND, VINCM = 2.5V, (Note 6) REF+ = 2.5V, REF- = GND, VINCM = 1.25V, (Note 6) 5 3 15 ppm of VREF ppm of VREF Offset Error 2.5V REF+ VCC, REF- = GND, GND IN+ = IN- VCC (Note 12) 2.5 5 V Offset Error Drift 2.5V REF+ VCC, REF- = G

to 85C Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C ORDER PART NUMBER TOP VIEW GND 1 16 GND VCC 2 15 BUSY REF + 3 14 FO REF - 4 13 SCK IN + 5 12 SDO IN - 6 11 CS SDI 7 10 EXT GND 8 9 LTC2440CGN LTC2440IGN GN PART MARKING 2440 2440I GND GN PACKAGE 16-LEAD PLASTIC SSOP TJMAX = 125C, JA = 110C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. ELECTRICAL CHARACTERISTICS The denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V VREF VCC, -0.5 * VREF VIN 0.5 * VREF, (Note 5) Integral Nonlinearity VCC = 5V, REF+ = 5V, REF- = GND, VINCM = 2.5V, (Note 6) REF+ = 2.5V, REF- = GND, VINCM = 1.25V, (Note 6) 5 3 15 ppm of VREF ppm of VREF Offset Error 2.5V REF+ VCC, REF- = GND, GND IN+ = IN- VCC (Note 12) 2.5 5 V Offset Error Drift 2.5V REF+ VCC, REF- = G

2CGN LTC2412IGN LTC2413CGN LTC2413IGN LTC2415CGN LTC2415-1CGN LTC2415-1IGN LTC2415IGN LTC6241HVHS8 LTC6241HVIS8 LTC2420CS8 LTC2420IS8 LTC6242HVHGN LTC6242HVIGN LTC2430CGN LTC2430IGN LTC2435CGN LTC2435-1CGN LTC2435-1IGN LTC2435IGN LTC2436-1CGN LTC2436-1IGN LTC2440CGN LTC2440IGN LTC2444CUHF LTC2444IUHF LTC2445CUHF LTC2445IUHF LTC2446CUHF LTC2446IUHF LTC2447CUHF LTC2447IUHF LTC2448CUHF LTC2448IUHF LTC2449CUHF LTC2449IUHF LTC2460CMS LTC2460IMS LTC2461CMS LTC2461IMS LTC2462CMS LTC2462IMS LTC2463CMS LTC2463IMS 2486 2486 2487 2487 2488 2488 2489 2489 2490 2490I 2492 2492 2493 2493 2494 2494 2495 2495 2496 2496 2497 2497 2498 2498 2499 2499 253AJ 253AJ 2600 2600 2600 2600I 2604 26041 2604I 2604I1 2605 26051 2605I 2605I1 2607 2607 26071 26071 2609 26091 2609I 2609I1 2610 2610 2610 2610I 2614 26141 2614I 2614I1 2615 26151 2615I 2615I1 2617 2617 26171 26171 2619 26191 2619I 2619I1 261L45 2620 2620 2620 2620I 2624 LTC2486CDE LTC2486IDE LTC2487CDE LTC2487IDE LTC2488CDE LTC2488IDE LTC2489CDE LTC2489IDE LTC2490

ts. Part numbers containing TR or TRM are shipped in tape and reel or 500 unit mini tape and reel, respectively Please refer to our general ordering information or the product datasheet for more details Evaluation Kits Part Number DC570A Description Price LTC2440CGN | High Speed Delta Sigma ADC, (req DC590) $50.00 Buy Now BACK TO TOP APPLICATIONS BACK TO TOP SIMULATE The QuickEval System is a USB-based product demonstration and data acquisition system for use w ith Linear Technology's A/D, D/A, LED drivers and Pow ered Ethernet Controllers. The system consists of a USB Data Acquisition Controller board that connects to individual daughter cards for specific Linear Technology products. The softw are also includes w eb links to the appropriate device data sheets and provides an automatic update feature to keep the softw are current w ith the latest set of device drivers. Click Here to Dow nload Softw are for the QuickEval System BACK TO TOP SITE HELP SITE MAP SITE INDEX SEND US FEEDBACK (c) 2007 Li

2CGN LTC2412IGN LTC2413CGN LTC2413IGN LTC2415CGN LTC2415-1CGN LTC2415-1IGN LTC2415IGN LTC6241HVHS8 LTC6241HVIS8 LTC2420CS8 LTC2420IS8 LTC6242HVHGN LTC6242HVIGN LTC2430CGN LTC2430IGN LTC2435CGN LTC2435-1CGN LTC2435-1IGN LTC2435IGN LTC2436-1CGN LTC2436-1IGN LTC2440CGN LTC2440IGN LTC2444CUHF LTC2444IUHF LTC2445CUHF LTC2445IUHF LTC2446CUHF LTC2446IUHF LTC2447CUHF LTC2447IUHF LTC2448CUHF LTC2448IUHF LTC2449CUHF LTC2449IUHF LTC2486CDE LTC2486IDE LTC2487CDE LTC2487IDE LTC2488CDE LTC2488IDE LTC2489CDE LTC2489IDE LTC2490CS8 LTC2490IS8 LTC2492CDE LTC2492IDE LTC2493CDE LTC2493IDE LTC2494CUHF LTC2494IUHF LTC2495CUHF LTC2495IUHF LTC2496CUHF LTC2496IUHF LTC2497CUHF LTC2497IUHF LTC2498CUHF LTC2498IUHF LTC2499CUHF LTC2499IUHF LTC4253ACUF-ADJ LTC4253AIUF-ADJ 2600 2600 2600 2600I 2604 26041 2604I 2604I1 2605 26051 2605I 2605I1 2607 2607 26071 26071 2609 26091 2609I 2609I1 2610 2610 2610 2610I 2614 26141 2614I 2614I1 2615 26151 2615I 2615I1 2617 2617 26171 26171 2619 26191 2619I 2619I1 261L45 2620 2620 2620 2620I 2