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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：1
- Output Type：DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
- Voltage - Supply, Single/Dual (±)：3.5V ~ 30V, ±1.75V ~ 15V
- Voltage - Input Offset (Max)：3mV @ ±15V
- Current - Input Bias (Max)：0.1µA @ ±15V
- Current - Output (Typ)：50mA
- Current - Quiescent (Max)：6mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°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 LM211QDR is a single automotive-grade analog comparator manufactured by Texas Instruments. It operates within a supply voltage range of 3.5V to 30V (single) or ±1.75V to ±15V (dual). Key electrical specifications include a maximum input offset voltage of 3mV at ±15V, a typical output current capability of 50mA, and a maximum static current consumption of 6mA. The device features an open-collector/open-emitter output type compatible with DTL, MOS, RTL, and TTL logic families. It is housed in an 8-SOIC package with a width of 3.90mm and supports surface-mount installation.
Feature Summary
- Automotive qualification compliant for reliable operation in vehicle environments
- Wide single or dual power supply voltage compatibility
- Open-collector and open-emitter output flexibility for various logic interfaces
Applications
- Automotive electronic systems requiring signal comparison
- General-purpose threshold detection circuits
- Pulse width modulation (PWM) generation
Procurement Notes
Verify the specific suffix 'QDR' confirms the automotive grade and tape-and-reel packaging format. Confirm RoHS3 compliance status as indicated in distributor documentation. Ensure the ordering part number matches the required temperature range and package dimensions for your PCB layout. Cross-reference the manufacturer datasheet for any recent product change notices affecting assembly or fabrication sites.
Selection Notes
Select this component when automotive reliability standards are mandatory for the application. The wide supply voltage range accommodates varying automotive bus conditions. The high output drive current allows direct interfacing with loads without additional buffering. Verify that the 8-SOIC footprint aligns with existing board space constraints and thermal requirements.
Part Context
This part belongs to the LM111/LM211/LM311 family of comparators, adapted for automotive use. The 'Q' prefix denotes automotive qualification, while 'D' indicates the SOIC package and 'R' signifies reel packaging. It serves as a robust alternative to standard industrial comparators in harsh environments.
Replacement Considerations
LM211IDR: Industrial grade version lacking automotive qualification. LP211DR: Low-power variant with different speed and current characteristics.
