41.10.5 Digital-to-Analog Converter (DAC) Characteristics
Symbol | Parameter | Conditions | Min. | Typ. | Max. | Unit |
---|---|---|---|---|---|---|
VDDANA | Analog supply voltage | 2.7 | - | 3.63 | V | |
AVREF | External reference voltage | 1.0 | - | VDDANA – 0.6 | V | |
INT1V(3) | - | 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(2) | Voltage pump disabled | - | 175 | 256 | μA |
Note:
- These values are based on specifications otherwise noted.
- These values are based on characterization. These values are not covered by test limits in production.
- It is the buffered internal reference of 1.0V derived from the internal 1.1V bandgap reference.
Parameter | Conditions | Min. | Typ. | Max. | Unit | |
---|---|---|---|---|---|---|
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 |
- These values are based on simulation. These values are not covered by test limits in production or characterization.
Symbol | Parameter | Conditions | Min. | Typ. | Max. | Unit | |
---|---|---|---|---|---|---|---|
RES | Input resolution | - | - | 10 | Bits | ||
INL | Integral nonlinearity | VREF = Ext 1.0V | VDD = 2.7V | ±0.2 | ±0.5 | ±1 | LSB |
VDD = 3.6V | ±0.2 | ±0.4 | ±1.2 | ||||
VREF = VDDANA | VDD = 2.7V | ±0.2 | ±0.6 | ±1.2 | |||
VDD = 3.6V | ±0.2 | ±0.5 | ±1.3 | ||||
VREF = INT1V | VDD = 2.7V | ±0.4 | ±0.7 | ±2 | |||
VDD = 3.6V | ±0.4 | ±0.8 | ±6 | ||||
DNL | Differential nonlinearity | VREF = Ext 1.0V | VDD = 2.7V | ±0.1 | ±0.3 | ±0.8 | LSB |
VDD = 3.6V | ±0.1 | ±0.3 | ±0.8 | ||||
VREF = VDDANA | VDD = 2.7V | ±0.1 | ±0.2 | ±0.5 | |||
VDD = 3.6V | ±0.1 | ±0.2 | ±1 | ||||
VREF = INT1V | VDD = 2.7V | ±0.3 | ±0.6 | ±3 | |||
VDD = 3.6V | ±0.3 | ±0.8 | ±7 | ||||
GE | Gain error | VREF = Ext. VREF | - | ±4 | ±16 | mV | |
VREF = VDDANA | - | ±12 | ±60 | mV | |||
VREF = INT1V | - | ±1 | ±22 | mV | |||
OE | Offset error | VREF = Ext. VREF | - | ±1 | ±13 | mV | |
VREF = VDDANA | - | ±2.5 | ±21 | mV | |||
VREF = INT1V | - | ±1.5 | ±20 | mV |
Note:
- All values measured using a conversion rate of 35ksps.