33.7.4 Digital-to-Analog Converter (DAC) Characteristics

Table 33-16. 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 - - 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 - 160 378 μA
Note:
  1. These values are based on characterization and are not covered by test limits in production.
Table 33-17. Clock and Timing
Symbol Parameter Conditions Min. Typ. Max. Units
Conversion rate

Cload=100pF




Rload > 5 kΩ

 Normal mode - - 350 ksps
For ΔDATA= ±1 - - 1000
tSTARTUP Startup time VDDNA > 2.6V - - 2.85 μs
VDDNA < 2.6V - - 10 μs
Note: These values are based on simulation and are not covered by test limits in production or characterization.
Table 33-18. 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 2.0 LSB
VDD = 3.6V 0.6 1.2 2.5
VREF = VDDANA VDD = 1.6V 1.4 2.2 3.5
VDD = 3.6V 0.9 1.4 1.5
VREF = INT1V VDD = 1.6V 0.75 1.3 2.5
VDD = 3.6V 0.8 1.2 1.5
DNL Differential non-linearity VREF = Ext 1.0V VDD = 1.6V ±0.9 ±1.2 ±2.0 LSB
VDD = 3.6V ±0.9 ±1.1 ±1.5
VREF = VDDANA VDD = 1.6V ±1.1 ±1.7 ±3.0
VDD = 3.6V ±1.0 ±1.1 ±1.6
VREF = INT1V VDD = 1.6V ±1.1 ±1.4 ±2.5
VDD = 3.6V ±1.0 ±1.5 ±1.8
GE Gain error Ext. VREF ±1.0 ±5 ±10 mV
OE Offset error Ext. VREF ±2 ±3 ±8 mV
Note:
  1. All values are measured using a conversion rate of 35 ksps.
Table 33-19. 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 LSB
VDD = 3.6V 0.6 1.2 2.5
VREF = VDDANA VDD = 1.6V 1.4 2.2 3.5
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 ±2.0 LSB
VDD = 3.6V ±0.9 ±1.1 ±1.5
VREF = VDDANA VDD = 1.6V ±1.1 +-1.7 ±3.0
VDD = 3.6V ±1.0 ±1.1 ±1.6
VREF = INT1V VDD = 1.6V ±1.1 ±1.5 ±3.0
VDD = 3.6V ±1.0 ±1.5 ±2,9
GE Gain error Ext. VREF ±1.0 ±5 ±12 mV
OE Offset error Ext. VREF ±2 ±3 ±8 mV
Note:
  1. All values measured using a conversion rate of 35 ksps.