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.
