47.4.6 Analog Comparator Characteristics
Symbol | Parameters | Conditions | Min | Typ | Max | Unit |
---|---|---|---|---|---|---|
PNIVR | Positive and Negative input range voltage | 0 | - | VDDANA | V | |
ICMR | Input common mode range | 0 | - | VDDANA | V | |
Off (1)(2) | Offset |
Low power COMPCTRLn.SPEED = 0x0 |
-55 | -4/+2 | 51 | mV |
High speed COMPCTRLn.SPEED = 0x3 |
-22 | -2/+1 | 20 | |||
VHYS (1)(3) | Hysteresis |
High speed COMPCTRLn.SPEED = 0x3 |
39 | 106 | 156 | mV |
TPD (1, 4) |
Propagation Delay Vcm=Vddana/2 Vin = ±100mV overdrive from Vcm |
Low power COMPCTRLn.SPEED = 0x0 |
- | 149 | 268 | ns |
High speed COMPCTRLn.SPEED =0x3 |
- | 41 | 73 | |||
TSTART (1) | Startup time |
Low power COMPCTRLn.SPEED = 0x0 |
- | 6.8 | 10.4 | μs |
High speed COMPCTRLn.SPEED = 0x3 |
- | 2.2 | 3.7 | |||
VSCALE (1) | INL | - | 0.569 | - | LSB | |
DNL | - | 0.053 | - | |||
Offset Error | - | 0.042 | - | |||
Gain Error | - | 0.041 | - |
- These are based on characterization.
- Hysteresis disabled.
- Hysteresis enabled.
- Tpd is measured from Vin transition to ACOUT (AC direct output) toggle. It takes into account only analog propagation delay.