LM7321MF/NOPBIn StockTexas Instruments
LM7321MF/NOPB is a single-channel, rail-to-rail input/output operational amplifier with high output current and unlimited capacitive load drive capability, rated for ±15V supply. Featuring 80dB CMRR, 1.5µA max bias current, and 6mV max offset voltage in a compact SOT-23-5 package. From $0.25, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LM7321MF/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2500(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
- Rail-to-rail input and output (RRIO) for maximum dynamic range in low-voltage systems
- Unlimited capacitive load drive capability — stable with any load capacitance
- High output current for driving demanding loads directly
- Wide supply range up to ±15V for versatile power configurations
- Compact SOT-23-5 package ideal for space-constrained designs
- 80dB typical CMRR for excellent common-mode noise rejection
Applications
The LM7321MF/NOPB is well suited for precision signal conditioning, sensor interface circuits, and active filter designs where rail-to-rail swing and stable capacitive load driving are critical. Its high output current makes it an excellent choice for driving ADC inputs, low-impedance loads, and buffering in industrial measurement systems. The ±15V supply range and compact SOT-23-5 footprint also make it popular in portable instrumentation and battery-powered data acquisition applications.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 1.5 µA |
| Bias Current-Max (IIB) @25C | 0.2 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 80dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.2 µA |
| Input Offset Voltage-Max | 6000 µV |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Low-Bias | NO |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -17.5 V |
| Neg Supply Voltage-Nom (Vsup) | -5 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 18V/us |
| Supply Current-Max | 1.7mA |
| Supply Voltage Limit-Max | 17.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 20000 |
| Voltage Gain-Min | 560 |
| Wideband | NO |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM7321MF/NOPB:
Frequently Asked Questions
What are the key electrical specifications of the LM7321MF/NOPB?
The LM7321MF/NOPB is a single-channel RRIO op amp with a maximum supply voltage of ±15V, 80dB typical CMRR (70dB min), maximum input offset voltage of 6000µV, maximum bias current of 1.5µA at room temperature, and maximum input offset current of 0.2µA. It supports unlimited capacitive loads and delivers high output current, making it suitable for demanding analog signal chain applications.
What applications is the LM7321MF/NOPB best suited for?
The LM7321MF/NOPB excels in precision signal conditioning, active filter design, ADC input buffering, sensor interfaces, and industrial measurement systems. Its rail-to-rail output swing and unlimited capacitive load drive capability make it ideal for driving low-impedance loads directly. It is also commonly used in portable instrumentation and battery-powered data acquisition systems where supply efficiency and compact packaging matter.
What package does the LM7321MF/NOPB come in and are there equivalent alternatives?
The LM7321MF/NOPB is available in a SOT-23-5 (5-pin) surface-mount package, which is highly compact and suitable for space-constrained PCB layouts. The '/NOPB' suffix indicates RoHS-compliant, lead-free packaging. Functional alternatives in similar packages include the OPA314 and LMV321 series, though designers should verify supply voltage range, bandwidth, and output current specifications before substituting.
How does the unlimited capacitive load drive capability of the LM7321MF/NOPB benefit circuit design?
Unlike many op amps that become unstable with large capacitive loads, the LM7321MF/NOPB is internally compensated to remain stable regardless of the capacitance connected to its output. This eliminates the need for isolation resistors or snubber networks, simplifying circuit design, reducing component count, and improving reliability in applications where long cable runs or large bypass capacitors are present at the output.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3800 | $0.38 |
| 100+ | $0.2900 | $29.00 |
| 1000+ | $0.2500 | $250.00 |
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