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Product Detailed Parameters
- Description：36-V, QUAD DIFFERENTIAL STANDARD
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Differential
- Number of Elements：4
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：2V ~ 36V
- Voltage - Input Offset (Max)：3.5mV @ 5V
- Current - Input Bias (Max)：0.025µA @ 5V
- Current - Output (Typ)：21mA
- Current - Quiescent (Max)：1.2mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：1µs (Typ)
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Grade：-
- Qualification：-
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Overview
The LM2901BIDR is a quad differential comparator from Texas Instruments, housed in a 14-pin SOIC package. It operates on a single supply voltage ranging from 2V to 36V. The device features an industrial temperature range of -40°C to +85°C. Key electrical specifications include a maximum input offset voltage of ±5.5mV over the full temperature range and a typical input bias current of 3.5nA. The quiescent supply current ranges from 0.8mA to 1mA. The output stage supports TTL, MOS, and CMOS logic compatibility.
Feature Summary
- Drop-in replacement for legacy LM239, LM339, and LM2901 devices
- Enhanced electrostatic discharge protection with 2kV HBM rating
- Low input offset voltage and low input bias current
- Differential input voltage range equal to maximum-rated supply voltage
Applications
- Vacuum robot systems
- Single phase UPS units
- Server power supply units
- Cordless power tools
- Wireless infrastructure equipment
Procurement Notes
Verify the specific suffix 'ID' corresponds to the SOIC-14 package and industrial temperature grade (-40°C to +85°C). Confirm that the B-version designation indicates the updated specifications including lower offset voltage and higher ESD tolerance compared to standard versions. Ensure the ordering information matches the exact package style required for the PCB layout.
Selection Notes
Select this component when a direct upgrade to the industry-standard LM2901 or LM339 is required without changing the footprint. The B-version offers improved performance metrics such as lower propagation delay and reduced supply current. Consider the extended differential input voltage capability and the robust ESD protection for harsh environments.
Part Context
This part belongs to the LM2901B family, which represents the next-generation version of the classic LM2901 comparator series. It shares pinouts with the LM139, LM239, and LM339 families, facilitating easy migration. The device integrates four independent comparators designed for single-supply operation with common-mode input voltage including ground.
Replacement Considerations
LM2901DR
FAQ
Is the LM2901BIDR compatible with older LM2901 designs?
Yes, the LM2901B is a drop-in replacement for the LM239, LM339, and LM2901 devices, maintaining the same pinout configuration.
What is the maximum differential input voltage for this device?
The differential input voltage range is equal to the maximum-rated supply voltage, up to ±38V.
