56.15 DAC Module Electrical Specifications

Table 56-17. DAC Module Electrical Specifications
AC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +125°C for Extended Temperature

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
DIFFERENTIAL MODE (1,2,3,4)
DDAC_19INLIntegral Non Linearity-4.1—4.1LSB 1Msps, External VREF REFSEL= VREFAB = 2.4V

CTRLB.REFSEL[1:0] = 0x2,

AVDD = VDD = 3.3V w/ CLOAD and RLOAD.

DDAC_21DNLDifferential Non Linearity-4.5—4.5LSB
DDAC_23GERR Gain Error—-78—78 LSB
DDAC_25EOFF Offset Error—-80.3—80.3 LSB1Msps, External VREF REFSEL= VREFAB= 2.4V

CTRLB.REFSEL[1:0] = 0x2,

AVDD = VDD = 3.3V w/ CLOAD and RLOAD.

SINGLE ENDED MODE (1,2,3,4)
SDAC_19INLIntegral Non Linearity-6—6LSB 1Msps, External VREF REFSEL= VREFAB = 2.4V

CTRLB.REFSEL[1:0] = 0x2,

AVDD = VDD = 3.3V w/ CLOAD and RLOAD.

SDAC_21DNLDifferential Non Linearity-8.1—8.1LSB
SDAC_23GERR Gain Error—-65.6—65.6 LSB
SDAC_25EOFFOffset Error—-44.4—44.4 LSB1Msps, External VREF REFSEL= VREFAB = 2.4V

CTRLB.REFSEL[1:0] = 0x2,

AVDD = VDD = 3.3V w/ CLOAD and RLOAD.

Note:
  1. DAC reference voltages < 2.4V, is not practical and peripheral performance is not guaranteed.
  2. DAC functional device operation with external VREF<2.4V is guaranteed, but not characterized. DAC will function, but with degraded performance. DAC accuracy is limited by users application noise/accuracy on AVDD, AVSS and VREF accuracy/drift.
  3. 12-bit mode.
  4. Over VOUT range defined by DAC_7 parameter.