51.20 Comparator Electrical Specifications
AC CHARACTERISTICS | Standard Operating Conditions: VDDREG =
VDDIO = AVDD 1.71V to 3.63V (unless otherwise stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial | ||||||
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Param. No. | Symbol | Characteristics | Min. | Typ.(1) | Max. | Units | Conditions |
CMP_1 | VIOFF | Input Offset Voltage | -8 | — | 8 | mV | COMPCTRLn.HYST = 0x3. Comparator ref voltage = AVDD/2 |
CMP_4 | VIN | Input Voltage Range | AVSS | — | AVDD | V | With respect to GND and AVDD |
CMP_5 | VHYST_00 | Input Hysteresis Voltage | 2 | — | 14 | mV | COMPCTRLn.HYST = 0x0. Comparator ref voltage = AVDD/2 |
VHYST_01 | Input Hysteresis Voltage | 6 | — | 26 | mV | COMPCTRLn.HYST = 0x1. Comparator ref voltage = AVDD/2 | |
VHYST_02 | Input Hysteresis Voltage | 20 | — | 56 | mV | COMPCTRLn.HYST = 0x2. Comparator ref voltage = AVDD/2 | |
VHYST_03 | Input Hysteresis Voltage | 34 | — | 85 | mV | COMPCTRLn.HYST = 0x3. Comparator ref voltage = AVDD/2 | |
CMP_15 | TRESPSS ain<0:1> | Small Signal Response Time - High speed | — | 64 | ns | COMPCTRLn.SPEED = 0x0 COMPCTRLn.MUXPOS = 0x0 COMPCTRLn.MUXNEG = 0x1 COMPCTRLn.HYST = 0x3 Comparator ref voltage = AVDD/2. Input overdrive = +/- 180 mV | |
Small Signal Response Time - Low Speed | — | 260 | ns | COMPCTRLn.SPEED = 0x1 COMPCTRLn.MUXPOS = 0x0 COMPCTRLn.MUXNEG = 0x1 COMPCTRLn.HYST = 0x3 Comparator ref voltage = AVDD/2. Input overdrive = +/- 180mV | |||
TRESPSS ain<2:3> | Small Signal Response Time - High speed | — | 100 | ns | COMPCTRLn.SPEED = 0x0 COMPCTRLn.MUXPOS = 0x2 COMPCTRLn.MUXNEG = 0x3 COMPCTRLn.HYST = 0x3 Comparator ref voltage = AVDD/2. Input overdrive = +/- 180mV | ||
Small Signal Response Time - Low Speed | — | 260 | ns | COMPCTRLn.SPEED = 0x1 COMPCTRLn.MUXPOS = 0x2 COMPCTRLn.MUXNEG = 0x3 COMPCTRLn.HYST = 0x3 Comparator ref voltage = AVDD/2. Input overdrive = +/- 180 mV | |||
CMP_19 | COUTVAL | Comparator Enabled to Output Valid - High Speed | — | — | 2 | ms | Comparator module is configured before enabling it COMPCTRLn.SPEED = 0x0 |
Comparator Enabled to Output Valid - Low Speed | — | — | 20 | ms | Comparator module is configured before enabling it COMPCTRLn.SPEED = 0x1 | ||
CMP_23 | CVREFRNG | Comparator Voltage Reference Input Range | — | — | — | V | (1) |
CMP_25 | FGCLK_AC | Analog comparator peripheral module clock freq | — | — | FCLK_49 | MHz | See FCLK_49 in Maximum Clock Frequencies table |
Note:
|
AC CHARACTERISTICS | Standard
Operating Conditions: VDDREG = VDDIO = AVDD 1.71V to 3.63V (unless
otherwise stated) Operating temperature: -40°C ≤ TA ≤ +85°C for Industrial | ||||||
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Param. No. | Symbol | Characteristics | Min. | Typ.(1) | Max. | Units | Conditions |
DAC_1 | DRES | DAC Resolution | — | — | 7 | Bits | — |
DAC_7 | VOUT | Output Voltage Range | AVSS | — | AVDD - 1LSB | V | — |
DAC_17 | Tset_FS | DAC Full Scale Settling Time | — | — | 1.5 | µs | +/-4 LSB of final value for step size from 10% to 90% |
DAC_18A | Thold | DAC Holding Time | 0.29 | — | — | ms | This parameter applies only for
Low-Power mode: DACCTRLn.SHENm = 0x1 Time for 1 LSB voltage loss of the DAC output |
DAC_18B | 0.65 | — | — | ms | This parameter applies only for
Low-Power mode: DACCTRLn.SHENm = 0x1 Time for 10 LSB voltage loss of the DAC output | ||
SDAC_19 | INL | Integral Non- Linearity | -0.4 | — | 0.4 | LSB | — |
SDAC_21 | DNL | Differential Non-Linearity | 0.05 | — | 0.4 | LSB | — |
SDAC_23 | GERR | Gain Error | -1.2 | — | -0.2 | LSB | — |
SDAC_25 | EOFF | Offset Error | -0.7 | — | 0.7 | LSB | Normal mode: DACCTRLn.SHENm = 0x0 |
-5.7 | — | 5.7 | LSB | Low-Power mode: DACCTRLn.SHENm = 0x1 |