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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Type：General Purpose
- Number of Elements：1
- Output Type：Push-Pull
- Voltage - Supply, Single/Dual (±)：2.7V ~ 15V, ±1.35V ~ 7.5V
- Voltage - Input Offset (Max)：5mV @ 5V
- Current - Input Bias (Max)：0.04pA @ 5V
- Current - Output (Typ)：30mA
- Current - Quiescent (Max)：14µA
- CMRR, PSRR (Typ)：75dB CMRR, 80dB PSRR
- Propagation Delay (Max)：10µs
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The LMC7211AIM is a single-channel CMOS analog comparator manufactured by Texas Instruments. It operates within a supply voltage range of 2.7V to 15V or ±1.35V to ±7.5V. The device features a push-pull output capable of sourcing 30mA and draws a maximum static current of 14µA. Key electrical specifications include a maximum input offset voltage of 5mV at 5V, an input bias current of 0.04pA, and a typical propagation delay of 10µs. Common-mode rejection ratio (CMRR) is typically 75dB, while power supply rejection ratio (PSRR) is typically 80dB. It functions reliably across an operating temperature range of -40°C to +85°C.
Feature Summary
- Features rail-to-rail input capability for extended common-mode voltage range.
- Provides high-impedance CMOS inputs with extremely low bias current.
- Delivers robust push-pull output drive suitable for direct logic interfacing.
Applications
- Battery-powered monitoring systems requiring low quiescent current.
- Threshold detection circuits in industrial control applications.
- Signal conditioning stages for sensor interfaces.
Procurement Notes
Verify the specific suffix configuration against the original datasheet requirements. Confirm that the package type matches the intended PCB footprint. Ensure the operating temperature range aligns with the environmental conditions of the final assembly. Check for any recent product change notices regarding manufacturing site transitions.
Selection Notes
Select this component when a general-purpose comparator with low power consumption and wide supply voltage flexibility is required. Consider the push-pull output stage if driving capacitive loads or digital logic directly. Evaluate the input offset voltage specification against the precision needs of the application circuit design.
Part Context
This part belongs to the LMC7211 family of low-power, high-voltage comparators from Texas Instruments. The series is designed for applications demanding minimal power usage alongside reliable performance over a wide voltage range. It serves as a standard solution for threshold sensing where CMOS compatibility and low input leakage are critical design factors.
Replacement Considerations
LMC7211AIM5X/NOPB
FAQ
What is the maximum input bias current for the LMC7211AIM?
The maximum input bias current is specified as 0.04pA at 5V.
Does the LMC7211AIM support dual supply operation?
Yes, it supports dual supplies ranging from ±1.35V to ±7.5V.
