Digital-to-Analog Converter (DAC) Characteristics

Table 1. 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 - -
- Maximum capacitance load - - - 100 pF
IDD DC supply current (1) Voltage pump disabled - 160 290 μA
Note:
  1. 1.These values are based on characterization and are not covered by test limits in production.
Table 2. 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 3. 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. 1.All values are measured using a conversion rate of 35 ksps.