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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SO
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：4
- Output Type：CMOS, DTL, ECL, MOS, Open-Collector, TTL
- Voltage - Supply, Single/Dual (±)：2V ~ 32V, ±1V ~ 16V
- Voltage - Input Offset (Max)：7mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：2.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SO
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The LM2901YDT is a low-power quad voltage comparator manufactured by STMicroelectronics. It features four independent comparators designed for single or split power supply operation, with a wide supply range of +2 V to +36 V or ±1 V to ±18 V. The device operates from a 14-SOIC package and includes AEC-Q100 automotive qualification. Key electrical parameters include a maximum input offset voltage of 7 mV at 5 V, a typical response time of 1.3 µs, and a maximum operating temperature of 125 °C. It supports CMOS, DTL, ECL, MOS, and TTL compatible outputs.
Feature Summary
- Four independent precision voltage comparators integrated into a single component
- Input common-mode voltage range extends to the negative rail
- Outputs are compatible with various logic families including CMOS, TTL, and ECL
- Qualified for automotive applications under the AEC-Q100 standard
Applications
- Automotive grade signal conditioning circuits
- Voltage monitoring systems requiring wide supply ranges
- Interface electronics connecting analog sensors to digital logic
Procurement Notes
Verify the specific suffix against official datasheets to confirm package dimensions and tape-and-reel specifications. Ensure the procurement channel provides valid traceability documentation required for AEC-Q100 qualified components. Confirm that the delivered units match the exact manufacturer part number to avoid compatibility issues in automated assembly processes.
Selection Notes
Select this component when a design requires multiple independent comparison functions within a limited board space. The wide supply voltage capability allows direct interfacing with various logic levels without additional level shifting. Consider the thermal performance and package size constraints relative to the expected ambient operating conditions.
Part Context
This part belongs to the LM2901 family of low-power quad voltage comparators. It shares functional similarities with other members like the LM2901B but differs in specific electrical tolerances and maximum voltage ratings. The YDT suffix indicates a surface-mount SOIC-14 package configuration suitable for high-density PCB layouts.
Replacement Considerations
The LM2901PT is a pin-compatible alternative offering the same quad comparator functionality in a different package format.
