32.10.5 Digital to Analog Converter (DAC) Characteristics

Table 32-28. Operating Conditions
Symbol Parameter Conditions Min. Typ. Max. Units
VDDANA Analog supply voltage 1.62 - 3.63 V
AVREF External reference voltage 1.0 - VDDANA-0.6 V
INT1V(2) - 1 - V
VDDANA - VDDANA - V
Linear output voltage range 0.05 - VDDANA-0.05 V
Minimum resistive load 5 - - kΩ
Maximum capacitance load - - 100 pF
IDD DC supply current (1) Voltage pump disabled - 160 230 μA
Note:
  1. These values are based on characterization, and are not covered by test limits in production.
  2. It is the buffered internal reference of 1.0V derived from the internal 1.1V bandgap reference.
Table 32-29. Clock and Timing
Symbol Parameter Conditions Min. Typ. Max. Units
Conversion rate Cload = 100pF
Rload > 5kΩ Normal mode - - 350 ksps
For ΔDATA = +/-1 - - 1000
Startup time VDDNA > 2.6V - - 2.85 μs
VDDNA < 2.6V - - 10 μs
Note: The values in this table are based on simulation, and are not covered by test limits in production or characterization.
Table 32-30. Accuracy Characteristics (Device Variant A)
Symbol Parameter Conditions (1) Min. Typ. Max. Units
RES Input resolution - - 10 Bits
INL Integral non-linearity VREF = Ext 1.0V VDD = 1.6V 0.75 1.1 2.5 LSB
VDD = 3.6V 0.6 1.2 1.5
VREF = VDDANA VDD = 1.6V 1.4 2.2 2.5
VDD = 3.6V 0.9 1.4 1.5
VREF = INT1V VDD = 1.6V 0.75 1.3 1.5
VDD = 3.6V 0.8 1.2 1.5
DNL Differential non-linearity VREF = Ext 1.0V VDD = 1.6V ±0.9 ±1.2 ±1.5 LSB
VDD = 3.6V ±0.9 ±1.1 ±1.2
VREF = VDDANA VDD = 1.6V ±1.1 ±1.5 ±1.7
VDD = 3.6V ±1.0 ±1.1 ±1.2
VREF = INT1V VDD = 1.6V ±1.1 ±1.4 ±1.5
VDD = 3.6V ±1.0 ±1.5 ±1.6
GE Gain error Ext. VREF ±1.5 ±5 ±10 mV
OE Offset error Ext. VREF ±2 ±3 ±6 mV
Note:
  1. All values are measured using a conversion rate of 35 ksps .
Table 32-31. Accuracy Characteristics (Device Variant B)
Symbol Parameter Conditions (1) Min. Typ. Max. Units
RES Input resolution - - - - 10 Bits
INL Integral non-linearity VREF = Ext 1.0V VDD = 1.6V 0.75 1.1 2.5 LSB
VDD = 3.6V 0.6 1.2 1.5
VREF = VDDANA VDD = 1.6V 1.4 2.2 2.5
VDD = 3.6V 0.9 1.4 1.5
VREF = INT1V VDD = 1.6V 0.75 1.3 3.1
VDD = 3.6V 0.8 1.2 2.7
DNL Differential non-linearity VREF = Ext 1.0V VDD = 1.6V ±0.9 ±1.2 ±1.5 LSB
VDD = 3.6V ±0.9 ±1.1 ±1.2
VREF = VDDANA VDD = 1.6V ±1.1 ±1.5 ±1.7
VDD = 3.6V ±1.0 ±1.1 ±1.2
VREF = INT1V VDD = 1.6V ±1.1 ±1.4 ±3.0
VDD = 3.6V ±1.0 ±1.5 ±2.9
GE Gain error Ext. VREF ±1.5 ±5 ±10 mV
OE Offset error Ext. VREF ±2 ±3 ±6 mV
Note:
  1. All values are measured using a conversion rate of 35 ksps.