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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8SOIC
- Series：-
- Mfr：Texas Instruments
- 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)：7mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：2.5mA
- 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 LM2903QDRG4 is a dual differential voltage comparator manufactured by Texas Instruments. It features an open-collector output type and operates on single or dual power supplies. The device supports a typical single supply voltage range of 2 V to 32 V and typical dual supply voltages including ±3 V, ±5 V, ±9 V, ±12 V, and ±15 V. It has a typical response time of 1.3 µs and a typical voltage gain of 100 dB. The component is housed in an SOIC-8 package with 8 pins, measuring 4.9 mm in length, 3.91 mm in width, and 1.75 mm in height. It operates within a temperature range of -40 °C to +125 °C.
Feature Summary
- Dual differential voltage comparison capability
- Open-collector output configuration
- Wide single and dual supply voltage operation
Applications
- General purpose analog signal processing
- Voltage level detection circuits
- Threshold sensing applications
Procurement Notes
Verify the specific suffix 'RG4' against official Texas Instruments documentation to confirm lead-free status and RoHS compliance details. Ensure the SOIC-8 package dimensions match your PCB footprint requirements. Confirm that the open-collector output architecture aligns with your downstream logic interface needs before finalizing procurement.
Selection Notes
Select this component when dual independent comparators are required in a compact surface-mount package. The wide supply voltage range accommodates various system architectures. Verify that the 1.3 µs response time meets the speed requirements of your specific application, as faster alternatives exist within the manufacturer's portfolio.
Part Context
This part belongs to the LM2903 family of dual differential comparators from Texas Instruments. It is functionally similar to other industry-standard parts like the LM393 but offers specific packaging and compliance attributes defined by the RG4 suffix. It serves as a general-purpose solution for basic voltage monitoring tasks.
Replacement Considerations
LM2903DRG4
FAQ
What is the maximum supply voltage for the LM2903QDRG4?
The maximum single supply voltage is 32 V.
Does the LM2903QDRG4 have a shutdown pin?
No, the device does not feature a shutdown mode.
