OPA4228PA Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The OPA4228PA is a quad high-precision, wide-bandwidth, low-noise operational amplifier in a 14-PDIP package. It delivers 120 dB minimum CMRR, 0.01 µA max bias current, and voltage-feedback architecture for precision signal conditioning. From $4.50 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- OPA4228PA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $7.9000(MOQ 25)
- 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 OPA4228PA?
- Ultra-low noise voltage-feedback architecture with 120 dB minimum common-mode rejection ratio for precision measurement
- Extremely low input bias current of 0.01 µA max enables accurate signal processing with high-impedance sources
- Quad op-amp in a single 14-PDIP package reduces board space and BOM cost in multi-channel designs
- Frequency compensation for closed-loop gains ≥5 ensures stability across a wide range of application bandwidths
What is OPA4228PA used for?
The OPA4228PA is ideal for high-precision instrumentation applications such as medical diagnostic equipment, industrial data acquisition systems, and scientific measurement instruments requiring low noise and high accuracy. Its quad configuration and wide bandwidth make it suitable for multi-channel audio preamplification, sensor signal conditioning, and active filter designs. The device also excels in test and measurement equipment where low offset current and high CMRR are critical for accurate differential signal processing.
What are the specifications of OPA4228PA?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.01 µA |
| Bias Current-Max (IIB) @25C | 0.01 µA |
| Common-mode Reject Ratio-Min | 120dB |
| Common-mode Reject Ratio-Nom | 138dB |
| Frequency Compensation | YES (AVCL>=5) |
| Input Offset Current-Max (IIO) | 0.01 µA |
| Input Offset Voltage-Max | 200 µV |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Low-Bias | NO |
| Low-Offset | YES |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| 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 | 11V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 15.2mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Unity Gain BW-Nom | 33000 |
| Voltage Gain-Min | 3980000 |
| 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 |
| Country of Origin | Mexico |
Where can I find the OPA4228PA datasheet?
OPA4228PA Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA4228PA?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the common-mode rejection ratio of the OPA4228PA?
The OPA4228PA achieves a minimum CMRR of 120 dB and a nominal CMRR of 138 dB, making it exceptional for rejecting common-mode noise in differential measurement systems such as bridge sensors and instrumentation amplifiers.
What is the maximum input bias current for the OPA4228PA?
The OPA4228PA has a maximum input bias current (IIB) of 0.01 µA at 25°C, which is extremely low and ideal for interfacing with high-impedance sensors, pH electrodes, and precision current sources where leakage current must be minimized.
In what applications is the OPA4228PA most commonly used?
Common applications include precision instrumentation amplifiers, medical equipment signal chains, active filters, audio preamplifiers, and data acquisition front ends. The quad package allows four independent amplifier stages in a single 14-PDIP IC, reducing board complexity.
What package is the OPA4228PA available in?
The OPA4228PA is available in a 14-pin Dual-In-Line Package (PDIP), which is suitable for through-hole assembly, prototyping on breadboards, and applications where ease of hand soldering and socketing are important design considerations.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $9.3600 | $234.00 |
| 100+ | $8.7000 | $870.00 |
| 250+ | $8.5400 | $2135.00 |
| 500+ | $8.2200 | $4110.00 |
| 1000+ | $7.9000 | $7900.00 |
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