34.10.5 Digital-to-Analog Converter (DAC) Characteristics

Table 34-24. Operating Conditions
Symbol Parameter Conditions Min. Typ. Max. Units
VDDANA Analog supply voltage - 2.7 - 3.63 V
AVREF External reference voltage - 2.0 - VDDANA-0.6 V
INT1V - - 1 - V
VDDANA - - VDDANA - V
- Linear output voltage range - 0.1 - VDDANA-0.1 V
- Minimum resistive load - 5 - - kΩ
- Maximum capacitance load - - - 100 pF
IDD DC supply current (1) Voltage pump disabled - 160 290 μA
Note:
  1. These values are based on characterization and are not covered by test limits in production.
Table 34-25. Clock and Timing
Symbol Parameter Conditions Min. Typ. Max. Units
Conversion rate Cload = 100 pF
Rload > 5kΩ Normal mode - - 350 ksps
Startup time VDDNA > 2.7V - - 2.85 μs
Note: The values in this table are based on simulation and are not covered by test limits in production or characterization.
Table 34-26. Accuracy Characteristics
Symbol Parameter Conditions (1) VDD Min. Typ. Max. Units
RES Input resolution - - 10 Bits
INL Integral non-linearity VREF = EXT. Vol. Ref. [2.7 - 3.6] V -1.3 ±0.6 1.3 LSB
VREF = VDDANA [2.7 - 3.6] V -2 ±1 2
VREF = INT1V [2.7 - 3.6] V -3.7 ±0.7 3.7
DNL Differential non-linearity VREF = EXT. Vol. Ref. [2.7 - 3.6] V -0.7 ±0.3 0.7
VREF = VDDANA [2.7 - 3.6] V -0.5 ±0.3 0.5
VREF = INT1V [2.7 - 3.6] V -3.9 ±0.6 3.9
GE Gain error VREF = EXT. Vol. Ref. [2.7 - 3.6] V -14 -6.7 1.8 mV
VREF = INT1V [2.7 - 3.6] V -24 -5.4 12
VREF = VDDANA [2.7 - 3.6] V -52 -30 -7
OE Offset error VREF = EXT. Vol. Ref. [2.7 - 3.6] V -12 1.2 13 mV
VREF = INT1V [2.7 - 3.6] V -16 -0.4 12
VREF = VDDANA [2.7 - 3.6] V -5.5 4 15
Note:
  1. All values are measured using a conversion rate of 35 ksps.