LM392DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM392DG4 is a single voltage-feedback operational amplifier with comparator function, supporting supply voltages up to ±16 V or 32 V single supply, with a common-mode rejection ratio of 70 dB and maximum input offset voltage of 7000 µV in an 8-pin SOIC package. It features internal frequency compensation and a maximum bias current of 0.4 µA for stable operation in analog signal conditioning. Designed for industrial instrumentation, threshold detection, and analog filtering applications requiring a reliable single op-amp solution.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM392DG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM392DG4?
- Single voltage-feedback op-amp with ±16 V or 32 V single-supply operation
- Common-mode rejection ratio of 70 dB for noise-immune signal conditioning
- Maximum input bias current of 0.4 µA for high-impedance source compatibility
- Internal frequency compensation for unconditional stability
- Maximum input offset voltage of 7000 µV (7 mV)
- 8-pin SOIC package for easy PCB integration
What is LM392DG4 used for?
The LM392DG4 is suited for analog signal conditioning, threshold detection, and active filtering circuits in industrial instrumentation and process control systems. Its wide supply range of up to 32 V single supply makes it compatible with both 5 V logic systems and higher-voltage industrial power rails. It is also used in audio preamplifiers, sensor signal buffering, and voltage comparison circuits in consumer and test-and-measurement equipment.
What are the specifications of LM392DG4?
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.4 µA |
| Bias Current-Max (IIB) @25C | 0.205 µA |
| Common-mode Reject Ratio-Min | 65dB |
| Common-mode Reject Ratio-Nom | 70dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 7000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Supply Current-Max | 1mA |
| Supply Voltage Limit-Max | 32V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 0.025 |
| Wideband | NO |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the LM392DG4 datasheet?
LM392DG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM392DG4?
Compatible alternatives and drop-in replacements for LM392DG4:
Frequently Asked Questions
What is the supply voltage range of the LM392DG4 and how does it compare to standard 5 V op-amps?
The LM392DG4 operates from ±16 V dual supply or up to 32 V single supply, far exceeding the 5 V range of low-voltage op-amps, making it suitable for industrial 24 V systems and instrumentation circuits requiring wide dynamic range.
How does the 70 dB common-mode rejection ratio of LM392DG4 benefit sensor signal conditioning?
A 70 dB CMRR means noise common to both inputs is attenuated by about 3162 times, significantly improving signal integrity when amplifying weak sensor outputs in electrically noisy industrial environments operating at supply voltages up to 32 V.
Is the LM392DG4 frequency-compensated, and what stability advantage does that provide?
Yes, the LM392DG4 includes internal frequency compensation, ensuring unconditional stability in unity-gain configurations without requiring external compensation capacitors, simplifying design for audio, filtering, and threshold circuits up to several hundred kilohertz.
For a high-impedance pH sensor interface, does the 0.4 µA bias current of LM392DG4 introduce significant error?
With a maximum bias current of 0.4 µA flowing through source impedances in the megaohm range, the resulting offset voltage could reach tens of millivolts, so source impedance should be kept below 100 kΩ to limit measurement error to under 40 mV.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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