The MAX900-MAX903 high-speed, low-power, single/dual/quad voltage comparators feature differential analog inputs and TTL-logic outputs with active internal pull-ups. Fast propagation delay (8ns typ at 5mV overdrive) makes the MAX900-MAX903 ideal for fast A/D converters and sampling circuits, line receivers, V/F converters, and many other data-discrimination applications. All comparators can be powered from separate analog and digital power supplies or from a single combined supply voltage. The analog input common-mode range includes the negative rail, allowing ground sensing when powered from a single supply. The MAX900-MAX903 consume 18mW per comparator when powered from +5V. The MAX900-MAX903 are equipped with independent TTL-compatible latch inputs. The comparator output states are held when the latch inputs are driven low. The MAX901 provides the same performance as the MAX900/MAX902/MAX903 with the exception of the latches. For newer, pin-for-pin compatible parts with the same speed and only half the power dissipation, see the MAX9201/MAX9202/MAX9203 data sheet.
The MAX900‑MAX903 series are high‑speed, low‑power voltage comparators with differential analog inputs and TTL‑compatible outputs. They are offered in single, dual, and quad configurations and can be powered from separate analog and digital supplies or a single supply. The series is not recommended for new designs; existing users should refer to this data sheet for legacy designs.
Key features include an 8 ns typical propagation delay, 18 mW power consumption per comparator at +5 V, and flexible analog supply voltages from +5 V to +10 V. The datasheet lists absolute maximum ratings, detailed electrical and timing characteristics, pin configurations for DIP and SO packages, and a typical application using an octal D/A converter for alarm limits.
| Propagation Delay (typ) | 8 ns |
|---|---|
| Power Consumption (typ, +5 V) | 18 mW per comparator |
| Analog Supply Voltage Range | +5 V to +10 V |
No, the MAX900 series is not recommended for new designs; it was manufactured with a process that is no longer available.
The typical propagation delay is 8 ns.
They can operate from a flexible analog supply of +5 V to +10 V.