33.7.4 Digital-to-Analog Converter (DAC) Characteristics
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:
- These values are based on characterization and are not covered by test limits in production.
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.
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:
- All values are measured using a conversion rate of 35 ksps.
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:
- All values measured using a conversion rate of 35 ksps.