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Product Detailed Parameters
- Description：LOW POWER LOW OFFSET VOLTAGE QUA
- Series：-
- Mfr：Texas Instruments
- Package：Tray
- Type：General Purpose
- Number of Elements：4
- Output Type：Open-Collector, Open-Drain
- Voltage - Supply, Single/Dual (±)：5V ~ 30V, ±2.5V ~ 15V
- Voltage - Input Offset (Max)：2mV @ 30V
- Current - Input Bias (Max)：1000pA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：2mA
- CMRR, PSRR (Typ)：70dB CMRR, 70dB PSRR
- Propagation Delay (Max)：1.3µs (Typ)
- Hysteresis：10mV
- Operating Temperature：-55°C ~ 125°C
- Package / Case：14-CSOIC (0.250", 6.35mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-CFP
- Grade：-
- Qualification：-
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Overview
The LM139AWG-SMD is a quad precision voltage comparator manufactured by Texas Instruments. It features four independent comparators with a maximum offset voltage of 2 mV. The device operates on a single power supply ranging from 2 V to 36 V, or dual supplies up to ±18 V. It utilizes an SOIC-14 surface-mount package and offers rail-to-rail output capability. The component supports a wide operating temperature range from -55°C to +125°C.
Feature Summary
- Four independent precision voltage comparators integrated into a single package
- Low offset voltage specification ensuring high accuracy
- Rail-to-rail output capability for flexible interfacing
- Wide single or split power supply operation
Applications
- Precision analog signal processing circuits
- Battery-powered measurement systems
- Industrial control logic interfaces
Procurement Notes
Verify the specific suffix 'AWG' against the manufacturer's current datasheet to confirm pinout compatibility and electrical specifications. Ensure the ordering documentation explicitly references the SOIC-14 package variant. Cross-reference the revision level to guarantee alignment with design requirements before finalizing procurement orders.
Selection Notes
Select this component when multiple independent comparison functions are required in a compact surface-mount form factor. The low offset voltage makes it suitable for applications demanding high precision. Consider the rail-to-rail output feature if interfacing directly with digital logic levels without additional pull-up resistors.
Part Context
This part belongs to the LM139 series of low-power, low-offset voltage quad comparators. The series is designed for general-purpose analog comparison tasks where power consumption and accuracy are critical factors. The SMD designation indicates a surface-mount technology package suitable for automated assembly processes.
Replacement Considerations
LM139DR
FAQ
What is the maximum offset voltage for the LM139AWG-SMD?
The maximum offset voltage specification is 2 mV for all four comparators.
Does the LM139AWG-SMD support dual power supplies?
Yes, it can operate on a single power supply or dual supplies up to ±18 V.
