32.10.5 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(2) | - | 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 | 230 | μA |
Note:
- 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 = 100pF Rload > 5kΩ | Normal mode | - | - | 350 | ksps | |
For ΔDATA = +/-1 | - | - | 1000 | ||||
Startup time | VDDNA > 2.6V | - | - | 2.85 | μs | ||
VDDNA < 2.6V | - | - | 10 | μs |
Note: The values in this table 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 | 2.5 | 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 |
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 | 2.5 | 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 | 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 | ±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 | ±3.0 | |||
VDD = 3.6V | ±1.0 | ±1.5 | ±2.9 | ||||
GE | Gain error | Ext. VREF | ±1.5 | ±5 | ±10 | mV | |
OE | Offset error | Ext. VREF | ±2 | ±3 | ±6 | mV |
Note:
- All values are measured using a conversion rate of 35 ksps.