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 - 175 247 µA
Notes:
  1. 1.These values are based on simulation otherwise noted.
  2. 2.These values are based on characterization. These values are not covered in test limits in production.
Table 2. Clock and Timing
Parameter Conditions Min. Typ. Max. Units
Conversion rate Cload=100pF Rload > 5kOhm Normal mode 350 ksps
For DDATA=+/-1 1000
Startup time VDDANA > 2.6V VDDANA > 2.6V - - 2.85 µs
VDDANA < 2.6V VDDANA < 2.6V - - 10 µs
Note: These values are based on simulation. These values are not covered by test limits in production or characterization.
Table 3. 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 = 1.62V ±0.2 ±0.5 ±1.4 LSB
VDD = 3.63V ±0.2 ±0.4 ± 1.2
VREF = VDDANA VDD = 1.62V ±0.2 ±0.6 ± 2.1
VDD = 3.63V ± 0.2 ±0.5 ± 1.9
VREF= INT1V VDD = 1.62V ± 0.4 ±0.7 ± 3.5
VDD = 3.63V ± 0.4 ±0.8 ± 6
DNL Differential non-linearity VREF= Ext 1.0V VDD = 1.62V ± 0.1 ±0.3 ± 1.5 LSB
VDD = 3.63V ± 0.1 ±0.3 ± 1.2
VREF= VDDANA VDD = 1.62V ± 0.1 ±0.2 ± 1.7
VDD = 3.63V ± 0.1 ±0.2 ± 1.5
VREF= INT1V VDD = 1.62V ± 0.3 ±0.6 ± 3
VDD = 3.63V ± 0.3 ±0.8 ± 7
Gain Gain error VREF= Ext 1.0V - ±4 ± 16 mV
VREF= VDDANA - ±12 ± 60 mV
VREF= INT1V - ±1 ± 22 mV
Offset Offset error VREF= Ext 1.0V - ±1 ± 13 mV
VREF= VDDANA - ±2.5 ± 21 mV
VREF= INT1V - ±1.5 ± 20 mV
Notes:
  1. 1.Values are measured using a conversion rate of 350ksps.
  2. 2.These values are based on characterization. They are not covered in test limits in production.