LM4861MX/NOPB

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LM4861MX/NOPB

IC AMP CLASS AB MONO 1.5W 8SOIC

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Spezifikationen

Series Boomer®
Part Status Active
Type Class AB
Output Type 1-Channel (Mono)
Max Output Power x Channels @ Load 1.5W x 1 @ 8Ohm
Voltage - Supply 2V ~ 5.5V
Features Shutdown, Thermal Protection
Mounting Type Surface Mount
Operating Temperature -40°C ~ 85°C (TA)
Supplier Device Package 8-SOIC
Package / Case 8-SOIC (0.154", 3.90mm Width)
Base Product Number LM4861

Übersicht

Description

The LM4861MX/NOPB is Texas Instruments’ dual, low-voltage audio power amplifier in an 8-pin MSOP package (Pb-free, NOPB). It’s designed for portable devices to drive small speakers directly.
Key points:
- Dual Class-AB audio amplifiers with LOUT and ROUT outputs.
- Single-supply operation typically in the 2.7–5.5 V range; can drive 4–8-ohm loads.
- SHDN pin to mute/power-down and reduce quiescent current; BYP pin for a mid-supply reference to improve noise and distortion.
- Features include pop-free on power-up, short-circuit protection, and thermal shutdown.
- Simple external components; suitable for compact handheld electronics, toys, MP3 players, etc.
- Package: MSOP-8 (MX) with Pb-free suffix (NOPB).
For exact electrical specs, recommended operating conditions, and typical application circuits, consult the LM4861MX/NOPB datasheet.

Features

Key features of LM4861MX/NOPB (mono audio power amplifier):
- Class-AB mono audio amplifier
- Single-supply operation: roughly 2.5 V to 5.5 V
- Output up to about 1 W into 8 Ω at 5 V (power varies with load and temp)
- Filterless design; no external output filter required
- Pop-free turn-on/power-down (soft-start) with mute/shutdown control
- Internal protection: thermal shutdown and current limiting
- Low quiescent current suitable for battery-powered devices
- External shutdown/mute control available
- 8-pin package (MX variant), lead-free NOPB version
Typical applications: portable audio, mobile devices, consumer electronics.

Package

LM4861MX/NOPB comes in an 8-pin MSOP package (MSOP-8) with a lead-free (NOPB) finish.

Pinout

Pin count: 8 pins (MSOP-8/SOIC-8 package).
Function: LM4861MX/NOPB is a mono, bridge-tied load (BTL) audio power amplifier. It delivers about 1 W into 8 Ω from a single supply (typical 5 V). The pinout includes differential inputs (IN+ and IN−), a bypass/reference pin (BYP), a shutdown pin (SHDN), power supply (VCC), ground (GND), and differential outputs (OUT+ and OUT−). NOPB indicates lead-free package; MX denotes the package type (MSOP-8/SOIC-8).

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: American multinational technology company and semiconductor manufacturer, known for analog and embedded processing ICs, headquartered in Dallas, Texas.

Application

Applications:
- Portable or battery-powered stereo audio devices (MP3 players, handheld gaming, portable speakers, toys)
- Small home entertainment gear (mini TVs/DVD players, set-top boxes, PC speakers)
- Other multimedia/voice devices needing a compact, efficient two-channel audio amplifier with pop-free startup.

Equivalent

LM4861MX/NOPB is TI’s 1-W stereo audio power amplifier (class-AB). There isn’t an exact pin-for-pin substitute. To find equivalents, match your specs (supply voltage, output power, speaker impedance, package, features like shutdown). Close TI options: LM487x family (stereo amps). Other vendors offer similar 1-W stereo amps. For precise cross-references, use TI’s Cross-Reference tool or share your required specs and I’ll suggest exact parts.

Versand

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Versandgebührenreferenz (DHL/FedEx):

DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.

von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

Zahlungen

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