43.4.8 8-Bit DAC Specifications

Standard Operating Conditions (unless otherwise stated)

VDD = 3.0V, TA = 25°C

Param No.Sym.CharacteristicMin.Typ. †Max.UnitsConditions
DSB01VLSBStep Size(VDACREF+-VDACREF-)/256V
DSB02*VACCAbsolute Accuracy(1)-4+4LSb
DSB03*RUNITUnit Resistor Value20
DSB04*TSTSettling Time(2)10μs
DSB05*VDBODAC Buffer Offset20mV
DSB06INLIntegral Nonlinearity-1.4+1.4LSb
DSB07DNLDifferential Nonlinearity-1.0+1.0LSb
DSB08EOFFOffset Error-1.0+1.0LSb
DSB09EGNGain Error-1.5+1.5LSb

† Data in “Typ” column is at 3.0V, 25°C unless otherwise stated.

* These parameters are characterized but not tested.

Note:
  1. Absolute accuracy = Offset Error + Gain Error + DAC Buffer Error (EOFF + EGN + VDBO)
  2. Settling time measured while DACR[7:0] transitions from 0x00 to 0xFF