OPA4350UA Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA4350UA is a high-speed, single-supply, rail-to-rail quad operational amplifier with 38 MHz bandwidth and CMOS inputs. Features ultra-low bias current of 0.01 nA and 66 dB CMRR. From $4.49, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- OPA4350UA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.4892(MOQ 1)
- 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 OPA4350UA?
- Rail-to-Rail Input/Output: Supports single-supply operation with full input and output voltage swing for maximum dynamic range
- Ultra-Low Bias Current: 0.01 nA max input bias current enables high-impedance sensor interfacing without signal loading
- High Speed 38 MHz Bandwidth: Voltage-feedback architecture delivers wide bandwidth suitable for signal processing applications
- Single-Supply Operation: Operates from a single supply rail, simplifying power supply design in portable and battery-powered systems
- Quad Amplifier Package: Four amplifiers in one SOIC package reduce board space and component count
What is OPA4350UA used for?
The OPA4350UA is ideal for precision signal conditioning in medical instrumentation, data acquisition front-ends, and sensor interface circuits requiring rail-to-rail swing. Its ultra-low bias current makes it well-suited for photodiode amplifiers, pH electrode buffers, and high-impedance transducer applications. The quad configuration is commonly used in active filter designs, audio processing, and portable industrial equipment where space efficiency and low power are critical.
What are the specifications of OPA4350UA?
| Pbfree Code | Yes |
| YTEOL | 1 |
| 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 | 66dB |
| Common-mode Reject Ratio-Nom | 84dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.00001 µA |
| Input Offset Voltage-Max | 500 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Number of Functions | 4 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 22V/us |
| Supply Current-Max | 30mA |
| Supply Voltage Limit-Max | 7V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 38000 |
| Voltage Gain-Min | 100000 |
| Wideband | NO |
| ## OPA4350UA Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
| Country of Origin | Malaysia |
Where can I find the OPA4350UA datasheet?
OPA4350UA Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for OPA4350UA?
Compatible alternatives and drop-in replacements for OPA4350UA:
Frequently Asked Questions
What is the supply voltage range for OPA4350UA?
The OPA4350UA operates from a single supply voltage of 2.5 V to 5.5 V, or dual supplies of ±1.25 V to ±2.75 V, making it well suited for battery-powered and low-voltage systems.
What makes OPA4350UA suitable for precision signal conditioning?
The OPA4350UA features an ultra-low input bias current of 0.01 nA, a 66 dB minimum common-mode rejection ratio, and a 38 MHz gain-bandwidth product. These characteristics make it ideal for high-impedance sensor interfaces, photodiode amplifiers, and precision instrumentation applications.
Does OPA4350UA support rail-to-rail operation?
Yes. The OPA4350UA provides true rail-to-rail input and output swing on a single supply, allowing the output to drive signals across the full supply range. This is essential in low-voltage designs where maximum dynamic range is required.
What package is the OPA4350UA available in?
The OPA4350UA is offered in a 14-pin SOIC (Small Outline Integrated Circuit) package, which is compatible with standard PCB assembly processes and provides four independent op-amp channels in a compact footprint.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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 |
|---|---|---|
| 1+ | $10.1550 | $10.15 |
| 10+ | $9.7800 | $97.80 |
| 39+ | $5.1798 | $202.01 |
| 50+ | $5.0072 | $250.36 |
| 67+ | $4.4892 | $300.78 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit