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Product Detailed Parameters
- Description：IC COMPARATOR GP 2 CIR 8-SOP
- Series：-
- Mfr：3PEAK
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：CMOS, Open-Drain, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±)：3V ~ 36V, ±1.5V ~ 18V
- Voltage - Input Offset (Max)：7mV @ 36V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：40mA @ 5V
- Current - Quiescent (Max)：1mA
- 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-SOP
- Grade：-
- Qualification：-
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Overview
The LM2903D-SO1R is a dual-channel voltage comparator manufactured by 3PEAK, housed in an SOP-8 package. It operates on a single supply of 3 V to 36 V or dual supplies of ±1.5 V to ±18 V. Key electrical parameters include a quiescent current of 0.9 mA (typical) at 5 V and 1.2 mA at 36 V, an input bias current of 75 nA (typical), and an input offset voltage of ±7 mV (maximum). The device features open-drain outputs with a response time of 1.6 μs under standard test conditions. It supports an operating temperature range from −40°C to +125°C.
Feature Summary
- Dual comparators designed for wide single-supply or dual power operation.
- Low power consumption with supply current independent of voltage levels.
- Open-drain output configuration allows wired-AND logic implementation.
- Input common-mode voltage range includes ground potential.
Applications
- High-speed sampling circuits
- Peak and zero-crossing detectors
- Threshold detectors and discriminators
- Sensing applications at ground or supply lines
Procurement Notes
Verify the specific ordering suffix SO1R corresponds to the SOP-8 tape and reel packaging format as defined in the manufacturer's order information table. Confirm that the component meets RoHS compatibility and halogen-free requirements specified under the 'Green' designation. Ensure the selected variant aligns with the required moisture sensitivity level and transport media specifications for the intended manufacturing process.
Selection Notes
Select this component when a dual-channel comparator with low supply current is required for battery-operated systems. The open-drain output facilitates interfacing with various logic families including TTL and CMOS. Consider the thermal resistance characteristics of the SOP-8 package if high ambient temperatures are expected within the specified operating range.
Part Context
This part belongs to the LM2903D series of 36-V dual comparators produced by 3PEAK. The series includes variants such as LM2903D-VS1R in MSOP-8 and LM2903DA-TS1R in TSSOP-8 packages. All devices share similar electrical characteristics but differ in physical footprint and packaging type to accommodate different PCB layout constraints.
Replacement Considerations
LM2903DR (Texas Instruments)
FAQ
What is the maximum differential input voltage range?
The internal differential input voltage range is equal to the supply voltage.
Can the outputs be connected together?
Yes, the outputs can be connected to other open-collector outputs to achieve wired-AND relationships.
