37.11.5 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(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 | - | 160 | 230 | μA |
Note:
- These values are based on specifications otherwise noted.
- These values are based on characterization, and 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.
| Symbol | Parameter | Conditions | Min. | Typ. | Max. | Units | |
|---|---|---|---|---|---|---|---|
| Conversion rate | Cload = 100
pF Rload > 5 kΩ | Normal mode | - | - | 350 | ksps | |
| For ΔDATA = +/-1 | - | - | 1000 | ||||
| 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 | Min. | Typ. | Max. | Units | |
|---|---|---|---|---|---|---|---|
| RES | Input resolution | - | - | - | 10 | Bits | |
| INL | Integral non-linearity | VREF = Ext 1.0V | VDD = 1.6V | 0.75 | 1.1 | 2.5 | LSB |
| VDD = 3.6V | 0.6 | 1.2 | 1.5 | ||||
| VREF = VDDANA | VDD = 1.6V | 1.4 | 2.2 | 2.5 | |||
| VDD = 3.6V | 0.9 | 1.4 | 1.5 | ||||
| VREF = INT1V | VDD = 1.6V | 0.75 | 1.3 | 1.5 | |||
| VDD = 3.6V | 0.8 | 1.2 | 1.5 | ||||
| DNL | Differential non-linearity | VREF = Ext 1.0V | VDD = 1.6V | +/-0.9 | +/-1.2 | +/-1.5 | LSB |
| VDD = 3.6V | +/-0.9 | +/-1.1 | +/-1.2 | ||||
| VREF = VDDANA | VDD = 1.6V | +/-1.1 | +/-1.5 | +/-1.7 | |||
| VDD = 3.6V | +/-1.0 | +/-1.1 | +/-1.2 | ||||
| VREF = INT1V | VDD = 1.6V | +/-1.1 | +/-1.4 | +/-1.5 | |||
| VDD = 3.6V | +/-1.0 | +/-1.5 | +/-1.6 | ||||
| GE | Gain error | Ext. VREF | +/-1.5 | +/-5 | +/-10 | mV | |
| OE | Offset error | Ext. VREF | +/-2 | +/-3 | +/-6 | mV | |
| Symbol | Parameter | Conditions | Min. | Typ. | Max. | Units | |
|---|---|---|---|---|---|---|---|
| RES | Input resolution | - | - | - | 10 | Bits | |
| INL | Integral non-linearity | VREF = Ext 1.0V | VDD = 1.6V | 0.7 | 0.75 | 2 | LSB |
| VDD = 3.6V | 0.6 | 0.65 | 1.5 | ||||
| VREF = VDDANA | VDD = 1.6V | 0.6 | 0.85 | 2 | |||
| VDD = 3.6V | 0.5 | 0.8 | 1.5 | ||||
| VREF = INT1V | VDD = 1.6V | 0.5 | 0.75 | 1.5 | |||
| VDD = 3.6V | 0.7 | 0.8 | 1.5 | ||||
| DNL | Differential non-linearity | VREF = Ext 1.0V | VDD = 1.6V | +/-0.3 | +/-0.4 | +/-1.0 | LSB |
| VDD = 3.6V | +/-0.25 | +/-0.4 | +/-0.75 | ||||
| VREF = VDDANA | VDD = 1.6V | +/-0.4 | +/-0.55 | +/-1.5 | |||
| VDD = 3.6V | +/-0.2 | +/-0.3 | +/-0.75 | ||||
| VREF = INT1V | VDD = 1.6V | +/-0.5 | +/-0.7 | +/-1.5 | |||
| VDD = 3.6V | +/-0.4 | +/-0.7 | +/-1.5 | ||||
| GE | Gain error | Ext. VREF | +/-0.5 | +/-5 | +/-10 | mV | |
| OE | Offset error | Ext. VREF | +/-2 | +/-1.5 | +/-8 | mV | |
Note:
- All values measured using a conversion rate of 35 ksps.
