2.13.5 Comparator
(Ask a Question)Unless otherwise specified, performance is specified at 25 °C with nominal power supply voltages.
| Specification | Test Conditions | Min. | Typ. | Max. | Units | |
|---|---|---|---|---|---|---|
| Input voltage range | Minimum | — | 0 | — | V | |
| Maximum | — | 2.56 | — | V | ||
| Input offset voltage | HYS[1:0] = 00 (no hysteresis) | — | ±1 | ±3 | mV | |
| Input bias current | Comparator 1, 3, 5, 7, 9 (measured at 2.56V) | — | 40 | 60 | nA | |
| Comparator 0, 2, 4, 6, 8 (measured at 2.56V) | — | 150 | 300 | nA | ||
| Input resistance | 10 | — | — | MΩ | ||
| Power supply rejection ratio | DC (0 – 10 KHz) | 50 | 60 | — | dB | |
| Propagation delay | 100 mV overdrive | — | — | — | — | |
| HYS[1:0] = 00 | — | — | — | — | ||
| (no hysteresis) | — | 15 | 18 | ns | ||
| 100 mV overdrive | — | — | — | — | ||
| HYS[1:0] = 10 | — | — | — | — | ||
| (with hysteresis) | — | 25 | 30 | ns | ||
| Hysteresis (± refers to rising and falling threshold shifts, respectively) | HYS[1:0] = 00 | Typical (25 °C) | 0 | 0 | ±5 | mV |
| Across all corners (–55ºC to +125ºC) | 0 | — | ±5 | mV | ||
| HYS[1:0] = 01 | Typical (25 °C) | ±3 | ± 16 | ±30 | mV | |
| Across all corners (–55ºC to +125ºC) | 0 | — | ±36 | mV | ||
| HYS[1:0] = 10 | Typical (25 °C) | ±19 | ± 31 | ±48 | mV | |
| Across all corners (–40 ºC to +100 ºC) | ±12 | — | ±54 | mV | ||
| Across all corners (–55ºC to +125ºC) | ±5 | — | ±54 | mV | ||
| HYS[1:0] = 11 | Typical (25 °C) | ±80 | ± 105 | ±190 | mV | |
| Across all corners (–40ºC to +100ºC) | ±80 | — | ±194 | mV | ||
| Across all corners (–55ºC to +125ºC) | ±60 | — | ±194 | mV | ||
| Comparator current requirements (per comparator) | VCC33A = 3.3V (operational mode); COMP_EN = 1 | |||||
| VCC33A | — | 150 | 165 | µA | ||
| VCC33AP | — | 140 | 165 | µA | ||
| VCC15A | — | 1 | 15 | µA | ||