LM386MMX-1/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments LM386MMX-1/NOPB is a low-voltage audio power amplifier delivering 325 mW output from a 4 V to 12 V supply in a compact 8-pin SOIC package. It features 20 to 200 adjustable voltage gain and 300 kHz bandwidth. Designed for battery-powered radios, intercoms, and portable audio devices.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM386MMX-1/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5026(MOQ 50)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 325 mW output power from a 4 V to 12 V supply enabling portable battery operation
- Adjustable voltage gain from 20 to 200 using a single external capacitor or resistor
- 300 kHz bandwidth supporting audio reproduction up to the full audible spectrum
- 8-pin SOIC package with low quiescent current for extended battery life in handheld devices
- RoHS-compliant NOPB lead-free variant meeting modern environmental regulations
Applications
The LM386MMX-1/NOPB serves as the audio output stage in battery-powered consumer products such as AM/FM radios, walkie-talkies, and portable intercoms requiring up to 325 mW speaker drive. Its adjustable gain from 20 to 200 makes it adaptable for alarm sounders, toy audio circuits, and hearing aid amplifier prototypes. Low supply voltage operation from 4 V suits 3-cell AA battery and single-cell Li-ion powered handheld speaker systems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Bandwidth-Nom | 300kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| Harmonic Distortion | 10% |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Output Power-Nom | 0.325W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 4V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM386MMX-1/NOPB Alternates Showing results | Image |
| Package | Small Outline Packages |
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 LM386MMX-1/NOPB:
Amplifier, 0.325W, 1 Channel(s), 1 Func, Bipolar, PDSO8
suggested
Frequently Asked Questions
How much output power does LM386MMX-1/NOPB deliver and at what supply voltage?
The LM386MMX-1/NOPB delivers 325 mW nominal output power into an 8-ohm speaker when powered from a 6 V supply. Operation is supported across a 4 V to 12 V supply range, making it compatible with 3-cell AA battery packs and standard 9 V alkaline batteries commonly used in portable audio products.
How can engineers adjust the voltage gain of LM386MMX-1/NOPB between 20 and 200?
Gain is set by placing a capacitor or resistor-capacitor network between pins 1 and 8 of the LM386MMX-1/NOPB. With pins 1 and 8 open, the internal gain is fixed at 20; adding a 10 µF capacitor raises gain to 200. Intermediate values are achievable by inserting a series resistor between 0 ohm and 1.2 kohm.
Which product categories most commonly use LM386MMX-1/NOPB in production designs?
LM386MMX-1/NOPB is widely used in AM/FM portable radios, intercoms, guitar effect pedals, and toy speaker modules where 325 mW audio output from a single-supply 4 V to 12 V rail is sufficient. Its low external component count also makes it popular in hobbyist and educational electronics kits requiring a simple audio amplifier.
Is LM386MMX-1/NOPB a direct RoHS-compliant replacement for the older LM386N through-hole variant?
The LM386MMX-1/NOPB is the RoHS-compliant SOIC surface-mount equivalent of the through-hole LM386N-1, offering the same 325 mW output, 4 V to 12 V supply range, and 20-200 gain range in an 8-pin package. Migrating from through-hole to SOIC reduces PCB area and enables automated SMT assembly, which lowers manufacturing cost at volume.
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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 |
|---|---|---|
| 50+ | $0.7070 | $35.35 |
| 100+ | $0.6660 | $66.60 |
| 200+ | $0.6420 | $128.40 |
| 1000+ | $0.5637 | $563.70 |
| 7000+ | $0.5600 | $3920.00 |
| 10000+ | $0.5026 | $5026.00 |
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