Digital to Analog Converter (DAC) Characteristics

Table 1. Operating Conditions(1)
Symbol Parameters Conditions Min Typ Max Unit
RES Input resolution - - 10 Bits
VDDANA Analog supply voltage 2.7 - 5.5 V
AVREF External reference voltage 1 - VDDANA - 0.6 V
Internal reference voltage 1 VREF.SEL = 0x0 - 1.024 - V
VREF.SEL = 0x2 - 2.048 -
VREF.SEL = 0x3 - 4.096 (2) -
Internal reference voltage 2 - VDDANA - V
Linear output voltage range 0.05 - VDDANA - 0.5 V
Minimum resistive load 5 - - kΩ
Maximum capacitance load - - 100 pF
  1. These are based on simulation. These values are not covered by test or characterization.
  2. For VDDANA > 4.5V.
Table 2. Clock and Timing(1)
Symbol Parameter Conditions Max. Units
  Conversion rate Cload=100pF

Rload > 5kΩ

 Normal mode 350 ksps
For DDATA=±1 1000
  Startup time     3 μs

1. These values are based on simulation. These values are not covered by test limits in production or characterization.

Table 3. Accuracy Characteristics(1)
Symbol Parameter Conditions Typ. Max. Units
INL Integral non-linearity VREF= Ext 2.0V VDD = 2.7V +/-0.7 +/-1.3 LSB
VDD = 5.5V +/-0.5 +/-0.6
VREF = VDDANA VDD = 2.7V +/-0.6 +/-0.9
VDD = 5.5V +/-0.4 +/-0.6
VREF= 1.024V INT REF VDD = 2.7V +/-1 +/-2.5
VDD = 5.5V +/-1.5 +/-3.5
DNL Differential non-linearity VREF= Ext 2.0V VDD = 2.7V +/-0.3 +/-0.4 LSB
VDD = 5.5V +/-0.4 +/-0.5
VREF = VDDANA VDD = 2.7V +/-0.2 +/-0.3
VDD = 5.5V +/-0.2 +/-0.3
VREF= 1.024V INT REF VDD = 2.7V +/-1.0 +/-2.5
VDD = 5.5V +/-1.4 +/-3.5
  Gain error Ext. VREF   +/-8 +/-20 mV
  Offset error Ext. VREF   +/-4 +/-20 mV
  1. These values are based on characterization. These values are not covered by test limits in production.
Table 4. Power Consumption(1)
Symbol Parameters Conditions Ta Typ. Max Units

IDD

VDDANA

 DC supply current

Output buffer On

VREF = VDD

Max 85°C

Typ 25°C

 39 404 µA

Output buffer Off

VREF = VDD

 43 81
  1. These values are based on characterization.
Parent topic: Analog Characteristics