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Product Detailed Parameters
- Description：GENERAL PURPOSE COMPARATOR, OPEN
- Series：-
- Mfr：3PEAK
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Differential
- Number of Elements：2
- Output Type：Open-Collector, CMOS, TTL
- Voltage - Supply, Single/Dual (±)：2.5V ~ 36V
- Voltage - Input Offset (Max)：6mV @ 5V
- Current - Input Bias (Max)：0.001µA @ 5V
- Current - Output (Typ)：10mA
- Current - Quiescent (Max)：300µA
- 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 LM2903AL1-SR is a dual independent voltage comparator manufactured by 3PEAK in an SOP8 package. It operates on a single supply of +2.5 V to +36 V or dual supplies of ±1.25 V to ±18 V. Key electrical specifications include a quiescent current of 150 μA per channel, a maximum input bias current of 1 nA at 25°C, and a maximum offset voltage of ±6.0 mV. The device supports an operating temperature range from −40°C to 125°C with MSL level 1.
Feature Summary
- Low power consumption suitable for battery operation
- Input common-mode voltage includes ground even with single supply
- Direct interface capability with TTL and CMOS logic families
- Open-collector outputs support wired-AND configurations
Applications
- High-speed line or digital line receivers
- Peak and zero-crossing detectors
- Threshold detectors and discriminators
- Sensing applications at ground or supply lines
Procurement Notes
Verify the specific ordering suffix L1 confirms MSL Level 1 status against the latest official datasheet revision history. Ensure the SOP8 package marking matches the '2903A' identifier. Confirm RoHS compliance and halogen-free status requirements align with project specifications before finalizing procurement orders.
Selection Notes
Select this component when low supply current drain is critical for system efficiency. The inclusion of ground in the common-mode input range allows for single-supply operation without level shifting. Verify that the open-collector output architecture fits the downstream logic requirements, as pull-up resistors are necessary for proper high-level output generation.
Part Context
This part belongs to the LM2903A/LM2901A series of 36-V low-power comparators. The series integrates single, dual, or quad independent comparers on a monolithic substrate. The LM2903AL1-SR specifically denotes the dual-channel variant in SOP8 packaging with specific moisture sensitivity handling characteristics defined by the L1 suffix.
Replacement Considerations
LM2903A-SR: Same functional performance but differs in Moisture Sensitivity Level (MSL 3 vs MSL 1).
FAQ
What is the ESD rating for the LM2903AL1-SR?
The device has an HBM ESD rating of 2 kV and a CDM rating of 2 kV.
Can the inputs exceed the supply voltage?
Inputs are protected by ESD diodes, but large voltages exceeding the supply should be avoided to prevent damage to the input stage.
