36.18 DAC

VDD = 3V, unless stated otherwise.

Accuracy characteristics calculated based on 5% to 95% range of the DAC.

Table 36-29. Power Supply, Reference, and Input Range
SymbolDescriptionMin.Typ.Max.Unit
VDDSupply voltage(1)1.835.5V
RLoadResistive external load5--
CLoadCapacitive external load--30pF
VOUTOutput voltage range0.2-VDD-0.2V
IOUTOutput sink/source-1-mA
Note: 1. The supply voltage must meet the VDD specification for the VREF level used as DAC reference.
Table 36-30. Clock and Timing Characteristics
SymbolDescriptionConditionsMin.Typ.Max.Unit
fDACMaximum conversion rate0.55V ≤ VREF ≤ 2.5V -350-ksps
VREF = 4.3V-270-ksps
Table 36-31. Accuracy Characteristics(3)
SymbolDescriptionConditionsMin.Typ.Max.Unit
RESResolution - 8bits
INLIntegral nonlinearity0.55V ≤ VREF ≤ 4.3V-1.20.31.2LSb
DNLDifferential nonlinearity0.55V ≤ VREF ≤ 4.3V-10.251LSb
EOFF(1)Offset error0.55V ≤ VREF ≤ 1.5V-25-320mV
VREF = 2.5V-30-610
VREF = 4.3V-40-100
EGAIN(2)Gain errorVREF = 1.1V, VDD = 3.0V, T = 25°C-±1-LSb
0.55V ≤ VREF ≤ 4.3V-10-110
Note:
  1. Offset including the DAC output buffer offset, this measured at DAC output pin.
  2. VREF accuracy is included in the Gain accuracy specification.
  3. These values are based on characterization and not covered by production test limits.