MAX509BC/D,DAC（数/模转换器）
MAX509BCAP,IC DAC QUAD SERIAL 8BIT 20-SSOP
MAX509BCAP+,IC DAC 8BIT QUAD R-R 20-SSOP
MAX509BCAP+T,IC DAC 8BIT QUAD R-R 20-SSOP
MAX509BCAP-T,DAC（数/模转换器）
MAX509BCPP,IC DAC QUAD SRL 8BIT R-R 20-DIP
MAX509BCPP+,IC DAC QUAD SRL 8BIT R-R 20-DIP
MAX509BCWP,DAC（数/模转换器）
