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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8MSOP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector, Rail-to-Rail
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：5mV @ 30V
- 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：0°C ~ 70°C
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The LM393DMR2G is a dual independent precision voltage comparator manufactured by onsemi, housed in an SOIC-8 surface-mount package. It supports single supply operation from 2.0 Vdc to 36 Vdc and split supplies of ±1.0 Vdc to ±18 Vdc. The device features a very low current drain of 0.4 mA, independent of supply voltage. Electrical characteristics include a maximum input offset voltage of 5.0 mV, input bias current of 25 nA, and input offset current of 5.0 nA at 25 °C. The output sink current reaches 16 mA with a response time of 1.5 µs.
Feature Summary
- Capable of single or split supply operation with common mode range extending to ground level
- Output voltage compatible with DTL, ECL, TTL, MOS, and CMOS logic levels
- Input differential voltage range equals the power supply voltage without damage
- ESD clamps on inputs increase device ruggedness
Applications
- Consumer electronics requiring low offset voltage
- Automotive applications utilizing AEC-Q100 qualified variants
- Industrial electronics systems
Procurement Notes
Verify the specific suffix 'DMR2G' corresponds to the Micro8 package (CASE 846A) as listed in the ordering information table. Confirm the operating temperature range matches the commercial grade specification (0 °C to +70 °C). Ensure compliance with RoHS and Pb-Free requirements if applicable to the target assembly process.
Selection Notes
Select this component for designs requiring dual comparators with low input bias current and wide supply voltage flexibility. The open-drain output necessitates an external pull-up resistor. Consider the thermal dissipation limits when designing for high ambient temperatures or heavy load conditions.
Part Context
This part belongs to the LM393 series of low offset voltage dual comparators. It shares functional similarities with the LM293, LM2903, and NCV2903 families, differing primarily in operating temperature ranges and automotive qualification status. The DM suffix indicates the SOIC-8 package variant within the broader product line.
Replacement Considerations
LM393DR2G
FAQ
What is the input common mode voltage range?
The input common mode voltage range extends from ground (0 V) up to VCC minus 1.5 V.
Can the differential input voltage exceed the supply voltage?
Yes, the differential input voltage range is equal to the power supply voltage, allowing inputs to differ by the full supply range without damaging the device.
