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MAX977 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX977 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 16 page Single/Dual, +3V/+5V Dual-Speed Comparators with Auto-Standby _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = +2.7V to +5.25V, specifications are for high-speed mode, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) CLOAD = 10pF, VCC = 5V ISINK = 2mA, all modes High-speed mode, overdrive = 5mV Low-power mode, overdrive = 10mV ISOURCE = 2mA, all modes CONDITIONS µs 0.82 1.6 ns 28 50 tPD+ Propagation Delay, Low to High (Note 6) V 0.1 0.4 VOL OUT_ Output Voltage Low V 0.7xVCC VCC /2 VLPIH LP Input Voltage High V VCC - 0.4 VCC - 0.1 VOH OUT_ Output Voltage High UNITS MIN TYP MAX SYMBOL PARAMETER V VCC / 2 0.3 x VCC VLPIL LP Input Voltage Low µA (Note 5) 0.01 ±1 ILPB LP Input Current µs 10 tLP LP Fall Time VCC = 3V µA 0.15 ISTO STO_ Source Current V VCC / 2 0.3 x VCC VCIL STO_ Input Voltage Low CLOAD = 10pF, VCC = 5V High-speed mode, overdrive = 5mV Low-power mode, overdrive = 10mV µs 0.48 1.6 ns 28 50 tPD- Propagation Delay, High to Low (Note 6) CLOAD = 10pF ns 2 tSKEW Propagation-Delay Skew (Note 6) MAX977 only, CLOAD = 10pF ns 1 ∆tPD Propagation-Delay Matching CLOAD = 10pF, VCC = 5.0V High-speed mode Low-power mode 1.6 ns 1.6 Rise/Fall Time ISOURCE = 3mA, all modes V VCC - 0.4 VSH STAT_ Output Voltage High ISINK = 400µA, all modes V 0.4 VSL STAT_ Output Voltage Low DIGITAL INPUTS DIGITAL OUTPUTS Note 1: The MAX975EUA is 100% production tested at TA = +25°C; all temperature specifications are guaranteed by design. Note 2: Inferred by CMRR. Either input can be driven to the absolute maximum limit without false output inversion, as long as the other input is within the specified common-mode input voltage range. Note 3: VOS is defined as the mean of trip points. The trip points are the extremities of the differential input voltage required to make the comparator output change state (Figure 1). Note 4: The difference between the upper and lower trip points is equal to the width of the input-referred hysteresis zone (Figure 1). Note 5: Guaranteed by design. The LP pin is sensitive to noise. If fall times larger than 10µs are expected, bypass LP to ground using a 0.1µF capacitor. Note 6: Propagation delay is guaranteed by design. For low-overdrive conditions, VOS is added to the overdrive. The following equation defines propagation-delay skew: tSKEW = tPD+ - tPD-. |
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