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LM2901

The Texas Instruments LM2901EP is a quad comparator designed for low power consumption and low offset voltage. It operates over a wide supply voltage range and is available in multiple package types.

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LM2901 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments
Package / Case	PDIP (N)
Propagation Delay	1.3 µs

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LM2901 Description

Short technical summary and product information.

The LM2901EP from Texas Instruments is a versatile quad comparator IC featuring four independent precision voltage comparators. It is designed to operate from a wide single power supply voltage range, from 2V to 36V, or from split supplies. The device boasts very low supply current drain, independent of the supply voltage magnitude, making it suitable for battery-powered applications.

Key electrical characteristics include a low input bias current of 25 nA and a low input offset current of ±5 nA. The offset voltage is specified as low as 2 mV maximum for all four comparators. The input common-mode voltage range includes ground, even when operated from a single supply, and the differential input voltage range can equal the power supply voltage. The output saturation voltage is low at 250 mV at 4 mA, and the output is compatible with TTL, DTL, ECL, MOS, and CMOS logic systems.

This comparator is well-suited for applications such as limit comparators, analog-to-digital converters, pulse and squarewave generators, and wide-range VCOs. The LM2901EP is available in several package options including TSSOP, SOIC, SOP, and PDIP.

The LM2901EP offers extended temperature performance from -40°C to +85°C, making it suitable for demanding environments. Its design advantages include high precision, reduced offset voltage drift over temperature, and the ability to sense near ground.

LM2901 Quick Information

Product Type: Quad Comparator

Canonical Name: LM2901EP Low Power Low Offset Voltage Quad Comparators

Subcategory: Quad Comparator

LM2901 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

LM2901 Features

Four independent precision voltage comparators.
Wide 2V to 36V supply voltage range.
Very low supply current drain.
Input common-mode range includes ground.
Extended temperature performance -40°C to +85°C.

LM2901 Applications

Ideal for limit comparators.
Suitable for analog-to-digital converters.
Used in pulse and squarewave generators.
Applicable for wide range VCOs.
Compatible with TTL and CMOS logic.

LM2901 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the supply voltage range for the LM2901?

The LM2901 operates over a supply voltage range of 2V to 36V (or ±1V to ±18V for split supplies).

What is the operating temperature range?

The LM2901 operates from -40°C to 125°C.

What packages are available for the LM2901?

The LM2901 is available in TSSOP (PW), SOIC (D), SOP (NS), and PDIP (N) packages.

How much supply current does each comparator draw?

Each comparator draws a typical supply current of 0.8mA, which is independent of supply voltage.

What is the input offset voltage?

The input offset voltage is typically 7mV maximum at 25°C.

What is the propagation delay?

The typical propagation delay is 1.3µs.

What is the output type?

The LM2901 features open-collector and open-drain outputs.