R-2R Ladder Network R-2R Series • ±2% Absolute tolerance • Ladder accuracy +/- 1 LSB • 8 and 10 bit R-2R Schematic • QSOP Package - Small Footprint • Standard Sn/Pb and Pb-free terminations available Electrical Data Resistance Value (ohms) Absolute Tolerance (%) Ratio Tolerance Absolute TCR (ppm/°C) TCR Tracking (ppm/°C) Operating Temperature Range (°C) 10K/20K and 25K/50K ±2% ±1 LSB ±25, ±50, ±100 ±5 -55 to +125 Schematic Data 20 19 18 17 R R 1 2R 2 3 15 R R 2R 2R 16 R R 2R 2R 4 14 5 R 2R 6 12 13 11 R 2R 2R 7 2R 9 8 2R R 2R 10 QS009 20-Pin,10 bit, R-2R Schematic 16 15 R 14 R 1 2 R R 2R 2R 2R 3 12 13 R 4 5 2R R 2R 2R 9 10 11 R 2R 6 2R 7 2R 8 QS014 16-Pin,8 bit, R-2R Schematic General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. © IRC Advanced Film Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com A subsidiary of TT electronics plc R-2R Series Issue January 2009 Sheet 1 of 2 R-2R Ladder Network Physical Data # OF PINS DIMENSION "D" ZD REF 16 0.193″ ±0.004 0.009″ 20 0.341″ ±0.004 0.058″ Note: Lead Coplanarity 0.004" Max. Note: All dimesions exclude mold flash and end flash which shall not exceed 0.006" per side. Drawing proportions not to scale. Ordering Data Prefix GUS - QS009 - 01 - 1002 - G Model QS009 = 20-Pin, 10 bit, R-2R Ladder Network with Sn/Pb terminations QS009LF = 20-Pin, 10 bit, R-2R Ladder Network with 100% matte tin, Pb-free terminations QS014 = 16 Pin, 8 bit, R-2R Ladder Network with Sn/Pb terminations QS014LF = 16-Pin, 8 bit, R-2R Ladder Network with 100% matte tin, Pb-free terminations Temperature Coefficient 01 = ±100ppm/°C; 02 = ±50ppm/°C; 03 = ±25ppm/°C Absolute Tolerance G = ±2% Resistance 1002 = 10KΩ/20KΩ 2502 = 25KΩ/50KΩ © IRC Advanced Film Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com R-2R Series Issue January 2009 Sheet 1 of 2