Digital-to-Analog Converter (DAC) Characteristics

Table 1. Operating Conditions (1)
Symbol Parameters Conditions Min. Typ. Max. Unit
AVREF External reference voltage 1 - VDDANA-0.6 V
Internal reference voltage 1 - 1 - V
Internal reference voltage 2 - VDDANA - V
Linear output voltage range 0.05 - VDDANA-0.05 V
Minimum resistive load 5 - - kOhm
Maximum capacitance load - - 100 pF
IDD DC supply current(2) Voltage pump disabled - 175 290 µA
Notes:
  1. 1.These values are based on simulation otherwise noted.
  2. 2.These values are based on characterization, and are not covered in test limits in production.
Table 2. Accuracy Characteristics (1,2)
Symbol Parameter Conditions Min. Typ. Max. Units
RES Input resolution - - 10 Bits
INL Integral non-linearity VREF= Ext 1.0V VDD = 1.8V +/-0,2 +/-0,5 +/-1.4 LSB
VDD = 3.63V +/-0,2 +/-0,4 +/-1,2
VREF = VDDANA VDD = 1.8V +/-0,2 +/-0,6 +/-2.1
VDD = 3.63V +/-0,2 +/-0,5 +/-1,9
VREF= INT1V VDD = 1.8V +/-0,4 +/-0,7 +/-4.2
VDD = 3.63V +/-0,4 +/-0,8 +/-6
DNL Differential non-linearity VREF= Ext 1.0V VDD = 1.8V +/-0,1 +/-0,3 +/-2 LSB
VDD = 3.63V +/-0,1 +/-0,3 +/-1.5
VREF= VDDANA VDD = 1.8V +/-0,1 +/-0,2 +/-3.0
VDD = 3.63V +/-0,1 +/-0,2 +/-1.6
VREF= INT1V VDD = 1.8V +/-0,3 +/-0,6 +/-4.3
VDD = 3.63V +/-0,3 +/-0,8 +/-7
Gain error VREF= Ext 1.0V - +/-4 +/-16 mV
VREF= VDDANA - +/-12 +/-60 mV
VREF= INT1V - +/-1 +/-23 mV
Offset error VREF= Ext 1.0V - +/-1 +/-13 mV
VREF= VDDANA - +/-2.5 +/-32 mV
VREF= INT1V - +/-1.5 +/-30 mV
Notes:
  1. 1.All values are measured using a conversion rate of 350 ksps.
  2. 2.These values are based on characterization, and are not covered in test limits in production.