APPLICATIONS
8 Bit, R/2R Ladder networks for D/A and A/D converter with bi-polar or CMOS switches ELECTRICAL SPECIFICATIONS
Ladder Network Accuracy: ± 1/2 LSB from 0 °C to + 70 °C. Ladder Network Resistance Tolerance: ± 2 %. Temperature Coefficient of Resistance: ± 100 PPM/°C. Operating Temperature Range: 0 °C to + 70 °C. Power Dissipation Rating at + 70 °C Ambient: 50 mW for individual resistor and 1.8 watts total package rating. Standard Resistance Values (R): 25 kilohms, 50 kilohms, 100 kilohms. SCHEMATICS T16L08 16 15 14 13 12 11 10 9 R16 = 2R RATIO MATCH TOLERANCE R1/R2 = 2 ± 1 %. R1/R3 = 1 ± 1 %. R1/R4 = 2 ± 1 %. R1/R5 = 1 ± 1 %. R1/R6 = 2 ± 1 %. R2 = R R4 = R R6 = R R8 = R R10 = R R12 = R R14 = R R1 = 2R 1 R3 = 2R 23 R5 = 2R 4 R7 = 2R R9 = 2R 56 R11 = 2R 7 R13 = 2R 8 R15 = 2R R1/R7 = 1 ± 1 %. R1/R8 = 2 ± 1 %. R9/R10 = 2 ± 0.5 %. T16LR8 16 15 14 13 12 11 10 9 R2 = R R1 = 2R 1 2 R4 = R R3 = 2R 3 R6 = R R5 = 2R 4 R8 = R R7 = 2R 5 R10 = R R9 = 2R 6 R12 = R R11 = 2R 7 R14 = R R13 = 2R 8 R16 = 2R R15 = 2R R11/R12 = 2 ± 0.4 %.
Vishay
