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Product Detailed Parameters
- Description：IC COMPARATOR 2 W/LATCH 14DIP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube,Tube
- Type：with Latch
- Number of Elements：2
- Output Type：TTL
- Voltage - Supply, Single/Dual (±)：5V ~ 10V, ±2.5V ~ 5V
- Voltage - Input Offset (Max)：4mV @ ±5V
- Current - Input Bias (Max)：10µA @ 5V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：8mA, 6mA, 3mA
- CMRR, PSRR (Typ)：82.5dB CMRR, 80dB PSRR
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：14-DIP (0.300", 7.62mm)
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Grade：-
- Qualification：-
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Overview
The MAX902CPD is a dual-channel high-speed, low-power voltage comparator from the MAX900–MAX903 series. It features differential analog inputs and TTL-logic outputs with active internal pull-ups. The device operates on separate analog and digital supplies or a single combined supply, with an analog input common-mode range that includes the negative rail for ground sensing. It consumes 18mW per comparator at +5V. Key electrical parameters include an 8ns typical propagation delay at 5mV overdrive, a maximum input offset voltage of 4mV, and an input bias current of 10µA. The part is housed in a 14-pin Plastic DIP package and supports an operating temperature range of 0°C to +70°C.
Feature Summary
- Features independent TTL-compatible latch inputs to hold output states when driven low.
- Provides flexible analog supply options ranging from +5V to +10V or ±5V.
- Includes active internal pull-ups on TTL-logic outputs optimized for driving low-power Schottky TTL.
Applications
- High-speed A/D converters
- Line receivers
- Threshold detectors
- Input trigger circuitry
Procurement Notes
Verify the specific suffix 'CPD' confirms the 14-pin Plastic DIP package and commercial temperature range (0°C to +70°C). Confirm the component is sourced as a new design part despite the datasheet note regarding the MAX900 foundry process, as the MAX902 is listed as unaffected. Ensure compatibility with required TTL logic levels and power supply configurations before integration.
Selection Notes
Select this component for applications requiring fast data discrimination with latch functionality. It is suitable where separate analog and digital grounds are needed to isolate noisy digital environments. Consider the MAX901 if latch inputs are not required, or newer alternatives like the MAX9202 for reduced power dissipation while maintaining pin-for-pin compatibility.
Part Context
The MAX902CPD belongs to the MAX900–MAX903 family of high-speed, low-power voltage comparators manufactured by Analog Devices / Maxim Integrated. This family offers single, dual, and quad channel configurations. The MAX902 specifically provides two comparators with latches in a 14-pin package, distinguishing it from the latch-less MAX901 and the quad-channel MAX900/MAX903.
Replacement Considerations
The MAX9202 is identified as a newer, pin-for-pin compatible replacement offering the same speed with half the power dissipation.
