LM321MFX A63A Low Power Operational Amplifier SOT23-5

LM321MFX A63A is a low-power, general-purpose operational amplifier in a compact SOT23-5 package. Designed for cost-effective single-supply applications, this op-amp provides high gain bandwidth, low input bias current, and a wide voltage range, making it ideal for signal conditioning, active filtering, and analog signal processing in battery-powered or portable devices.

Key Features of LM321MFX A63A Operational Amplifier:

• Low Power Consumption: Optimized for battery-powered systems.
• Wide Supply Range: Operates from 3V to 32V (single supply) or ±1.5V to ±16V (dual supply).
• High Gain Bandwidth: 1 MHz typical for stable signal amplification.
• Low Input Bias Current: Minimizes input offset and error in precision applications.
• Unity-Gain Stable: Suitable for buffer and follower configurations.

Technical Specifications of LM321MFX A63A Operational Amplifier:

• Input Offset Voltage: 2 mV (max)
• Input Bias Current: 45 nA (typical)
• Gain Bandwidth Product: 1 MHz
• Supply Voltage Range: 3V to 32V (single), ±1.5V to ±16V (dual)
• Slew Rate: 0.4 V/µs
• Output Voltage Swing: Rail-to-rail (within 10 mV of supply)

Mechanical Specifications of LM321MFX A63A Operational Amplifier:

• Package Type: SOT23-5 (Surface-Mount)
• Lead Finish: Matte Tin-plated for RoHS compliance
• Marking Code: A63A
• Operating Temperature Range: -40°C to +125°C

Dimensions:

• Length: 2.9 mm
• Width: 1.6 mm
• Height: 1.1 mm
• Pin Pitch: 0.95 mm

Mounting Options:

• Surface Mount: Designed for reflow soldering on PCBs.
• Compact Footprint: Ideal for densely packed circuit boards.

Schematic Diagram, Connection, Wiring and Pinout of LM321MFX A63A:

• Pin 1: Output
• Pin 2: Inverting Input (–)
• Pin 3: Non-inverting Input (+)
• Pin 4: Ground (or V–)
• Pin 5: V_CC (Positive Supply)

Datasheet of LM321MFX A63A Operational Amplifier:

• Download LM321MFX Datasheet (PDF)

Applications of LM321MFX A63A Operational Amplifier:

• Signal Conditioning: Pre-amplification and noise filtering in sensor interfaces.
• Battery Management: Voltage monitoring and comparator circuits in BMS.
• Consumer Electronics: Audio processing, IR signal buffering, and power control.
• Industrial Controls: Analog feedback loops and error amplifiers.
• Medical Devices: Portable measurement and monitoring tools.

Equivalent Models of LM321MFX A63A Operational Amplifier:

• LM358: Dual op-amp version with similar electrical characteristics
• TLV2371: Low-power rail-to-rail op-amp with higher bandwidth
• OPA344: CMOS op-amp alternative for precision applications

Package Includes:

• 1 x LM321MFX A63A Low Power Operational Amplifier SOT23-5