OPA4322AIPWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
OPA4322AIPWR is a quad-channel, 20MHz CMOS operational amplifier with rail-to-rail input/output, 1.8V minimum supply, and ultra-low noise performance. Key specs include 90dB CMRR, 0.01pA bias current, and voltage-feedback architecture ideal for precision signal conditioning. From $0.55, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- OPA4322AIPWR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5507(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 20MHz gain-bandwidth product with voltage-feedback architecture for high-speed signal processing
- Rail-to-rail input and output (RRIO) swing maximizes dynamic range in low-supply systems
- Ultra-low bias current of 0.01pA and 90dB minimum CMRR for precision measurement accuracy
- 1.8V minimum supply voltage enables operation in battery-powered and low-voltage applications
- Quad-channel configuration (4 op-amps) reduces board space and component count
Applications
The OPA4322AIPWR is well-suited for portable medical instruments, industrial sensor signal conditioning, and battery-powered data acquisition systems where low supply voltage and rail-to-rail swing are critical. Its low noise and high CMRR make it ideal for precision analog front-ends in electrocardiography (ECG) and pressure sensing circuits. The quad-channel design also benefits audio processing, active filter implementations, and multi-channel instrumentation amplifier stages.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| 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 | 90dB |
| Common-mode Reject Ratio-Nom | 100dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.00001 µA |
| Input Offset Voltage-Max | 2000 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 Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 10V/us |
| Supply Current-Max | 6.6mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 20000 |
| Voltage Gain-Min | 50100 |
| Wideband | NO |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for OPA4322AIPWR:
Frequently Asked Questions
What is the supply voltage range for the OPA4322AIPWR?
The OPA4322AIPWR operates from a minimum supply voltage of 1.8V, making it suitable for single-cell battery-powered designs. It supports a supply range that enables use in portable, low-power applications without sacrificing bandwidth or noise performance.
What applications is the OPA4322AIPWR best suited for?
The OPA4322AIPWR is ideal for precision signal conditioning, portable medical devices, active filters, and multi-channel data acquisition systems. Its rail-to-rail input/output, 20MHz bandwidth, and ultra-low 0.01pA bias current make it a strong choice for ECG front-ends, pressure sensors, and low-voltage instrumentation amplifiers.
What package does the OPA4322AIPWR use, and what is its lead-free status?
The OPA4322AIPWR is housed in a Small Outline Package (TSSOP or similar SOP variant), which supports compact PCB layouts. It is fully lead-free (Pb-free code: Yes), compliant with RoHS requirements for use in modern consumer and industrial electronics.
Are there pin-compatible or functional alternatives to the OPA4322AIPWR?
Functional alternatives in the quad CMOS op-amp category include the OPA4340, OPA4376, and MCP6004 from Microchip. When selecting an alternative, verify supply voltage range, bandwidth, input bias current, and package pinout compatibility to ensure a drop-in replacement in your design.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.3200 | $3.32 |
| 98+ | $0.9338 | $91.51 |
| 323+ | $0.8715 | $281.49 |
| 340+ | $0.5955 | $202.47 |
| 440+ | $0.5731 | $252.16 |
| 545+ | $0.5507 | $300.13 |
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.”