OPA4342PAG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The OPA4342PAG4 is a quad rail-to-rail input/output operational amplifier from Texas Instruments with ultra-low 10 pA maximum bias current and 6 mV maximum input offset voltage in a 14-pin DIP package. It delivers low power consumption suited for battery-operated signal conditioning and sensor interface circuits. Available from authorized distributors worldwide with global shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- OPA4342PAG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of OPA4342PAG4?
- Rail-to-rail input and output swing enables full supply voltage signal range in single-supply 2.7 V to 6 V designs
- Ultra-low 10 pA maximum input bias current ideal for high-impedance sensor and pH electrode interfaces
- Quad op-amp configuration in a 14-pin DIP package reduces BOM count for multi-channel signal conditioning
What is OPA4342PAG4 used for?
The OPA4342PAG4 is well-suited for portable medical instruments, battery-powered data acquisition systems, and precision sensor signal conditioning requiring four amplifier channels in a single package. Its rail-to-rail output swing and 10 pA bias current make it a strong fit for pH meters, photodiode transimpedance amplifiers, and resistive bridge sensor readout circuits. The low-cost DIP packaging also simplifies prototyping and small-production analog front-end designs.
What are the specifications of OPA4342PAG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.00001 µA |
| Bias Current-Max (IIB) @25C | 0.00001 µA |
| Common-mode Reject Ratio-Min | 64dB |
| Common-mode Reject Ratio-Nom | 78dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 6000 µV |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | YES |
| Number of Functions | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 1V/us |
| Supply Current-Max | 1.2mA |
| Supply Voltage Limit-Max | 7.5V |
| Supply Voltage-Nom (Vsup) | 5.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 1000 |
| Voltage Gain-Min | 31620 |
| Wideband | NO |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Where can I find the OPA4342PAG4 datasheet?
OPA4342PAG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA4342PAG4?
Compatible alternatives and drop-in replacements for OPA4342PAG4:
Low Cost, Low Power, Rail-to-Rail Operational Amplifiers MicroAmplifier™ Series 14-PDIP
Frequently Asked Questions
What supply voltage range and input bias current spec make the OPA4342PAG4 suitable for battery-powered designs?
The OPA4342PAG4 operates from a single supply of 2.7 V to 6 V and draws low quiescent current, making it power-budget-friendly in battery-operated systems. Its maximum input bias current of 0.01 pA (10 fA typical, listed as 0.00001 µA in the datasheet) is extremely low, enabling accurate signal conditioning from high-impedance sources such as pH electrodes and photodiodes without loading errors.
How does the rail-to-rail output of the OPA4342PAG4 benefit single-supply ADC driver circuits?
With rail-to-rail output swing, the OPA4342PAG4 can drive the input of an ADC from near 0 V to near the positive supply rail, maximizing the usable input range of a 3.3 V or 5 V single-supply ADC. This avoids wasting dynamic range and simplifies level-shifting circuitry, particularly in 12-bit or 16-bit data acquisition systems where every millivolt of headroom matters.
For a 4-channel resistive bridge readout, why choose the OPA4342PAG4 over four discrete single op-amps?
The OPA4342PAG4 integrates 4 op-amp channels in a single 14-pin DIP package, reducing PCB area by approximately 60% compared to four individual single-channel packages. It also ensures matched offset and common-mode rejection ratio (CMRR minimum 64 dB) across all channels from the same silicon die, which is important for multi-channel bridge sensor systems requiring channel-to-channel consistency.
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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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