TY - GEN
T1 - A 12-bit 150-MHz 1.25-mm2 CMOS DAC
AU - He, Y.
AU - Jiang, J.
AU - Sun, Y.
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PY - 2004
Y1 - 2004
N2 - This paper presents a 12-bit 150-MHz current steering DAC with hierarchical symmetrical switching sequence that compensates gradient errors. The circuit of the DAC employs segmented architecture; the least significant bits (LSBs) steer a binary weighted array, while the most significant bits (MSBs) are thermometer decoded and steer a unary array. The measured differential nonlinearity and integral nonlinearity are ±0.6 LSB and ±0.9 LSB, respectively. The circuit is fabricated in 0.5 μm, two-poly two-metal, 5.0 V, mixed-signal CMOS process. It occupies 1.27 mm×0.96 mm chip area, when operating at 150 MHz and dissipates 91.6 mW from a 5.0 V power supply, which is much smaller.
AB - This paper presents a 12-bit 150-MHz current steering DAC with hierarchical symmetrical switching sequence that compensates gradient errors. The circuit of the DAC employs segmented architecture; the least significant bits (LSBs) steer a binary weighted array, while the most significant bits (MSBs) are thermometer decoded and steer a unary array. The measured differential nonlinearity and integral nonlinearity are ±0.6 LSB and ±0.9 LSB, respectively. The circuit is fabricated in 0.5 μm, two-poly two-metal, 5.0 V, mixed-signal CMOS process. It occupies 1.27 mm×0.96 mm chip area, when operating at 150 MHz and dissipates 91.6 mW from a 5.0 V power supply, which is much smaller.
U2 - 10.1109/TENCON.2004.1414913
DO - 10.1109/TENCON.2004.1414913
M3 - Conference contribution
SN - 0-7803-8560-8
VL - 4
SP - 237
EP - 240
BT - Procs of the 2004 IEEE Region 10 Conference, TENCON
PB - Institute of Electrical and Electronics Engineers (IEEE)
ER -