Symbol | Parameter | Condition | Min(1) | Typ(1) | Max(1) | Units |
---|---|---|---|---|---|---|
Resolution | Single Ended Conversion | 10 | Bits | |||
Differential
Conversion Gain = 1x or 20x |
8 | Bits | ||||
Differential
Conversion Gain = 200x |
7 | Bits | ||||
Absolute accuracy (Including INL, DNL, Quantization Error, Gain, and Offset Error) | Single Ended
Conversion VREF = 4V, VCC = 4V ADC clock = 200kHz |
1.75 | LSB | |||
Single Ended
Conversion VREF = 4V, VCC = 4V ADC clock = 1MHz |
3 | LSB | ||||
Integral Non-linearity (INL) | Single Ended
Conversion VREF = 4V, VCC = 4V ADC clock = 200kHz |
0.75 | LSB | |||
Differential Non-linearity (DNL) | Single Ended
Conversion VREF = 4V, VCC = 4V ADC clock = 200kHz |
0.5 | LSB | |||
Gain Error | Single Ended
Conversion VREF = 4V, VCC = 4V ADC clock = 200kHz |
1 | LSB | |||
Offset Error | Single Ended
Conversion VREF = 4V, VCC = 4V ADC clock = 200kHz |
1 | LSB | |||
Conversion Time(4) | Free Running Conversion | 13 | 260 | μs | ||
Clock Frequency | 50 | 1000 | kHz | |||
AVCC | Analog Supply Voltage | VCC - 0.3(2) | VCC + 0.3(3) | V | ||
VREF | Reference Voltage | 2.0 | AVCC | V | ||
2.0 | AVCC - 0.2 | V | ||||
VIN | Input voltage | GND | VREF | V | ||
TBD | TBD | |||||
Input bandwidth | 38.5 | kHz | ||||
Differential channels | 4 | kHz | ||||
VINT | Internal Voltage Reference | 2.3 | 2.56 | 2.8 | V | |
RREF | Reference Input Resistance | 32 | kΩ | |||
RAIN | Analog Input Resistance | 55 | 100 | MΩ |