LM4920TL/NOPB

$1.74

Description：IC AMP CLSS AB STER 80MW 14DSBGA
Series：Boomer®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:1640b874358f Category: Audio Amplifiers Brand: Texas Instruments

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Product introduction

LM4920TL/NOPB is listed in the Audio Amplifiers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC AMP CLSS AB STER 80MW 14DSBGA. Review the specifications below when checking this part for your BOM.

Audio Amplifiers specifications for LM4920TL/NOPB

Description：IC AMP CLSS AB STER 80MW 14DSBGA
Series：Boomer®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Class AB
Output Type：Headphones, 2-Channel (Stereo)
Max Output Power x Channels @ Load：80mW x 2 @ 16Ohm
Voltage - Supply：1.6V ~ 4.2V
Features：Depop, Shutdown, Thermal Protection
Mounting Type：Surface Mount
Supplier Device Package：14-DSBGA (1.96x1.96)
Package / Case：14-WFBGA, DSBGA
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

Audio Amplifiers datasheet and documents for LM4920TL/NOPB

LM4920TL/NOPB

Audio Amplifiers Overview

The LM4920TL/NOPB is a stereo audio amplifier manufactured by Texas Instruments. It operates within a supply voltage range of 2.7V to 5.5V and delivers 80mW of output power per channel into a 4-ohm load. The device features a True Ground headphone amplifier architecture, eliminating the need for coupling capacitors. It utilizes a BGA14 package and supports an operating temperature range from -40°C to +85°C.

Audio Amplifiers Feature Summary

True Ground headphone amplifier design eliminates external coupling capacitors
Integrated volume control functionality
Supports differential input signals

Audio Amplifiers Applications

Portable audio devices requiring capacitor-free headphone outputs
Mobile phones and smartphones
MP3 players and digital audio media devices

Audio Amplifiers Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout compatibility and thermal characteristics. Ensure the component meets RoHS standards as indicated by the NOPB designation. Cross-reference the datasheet revision history to validate current manufacturing status and any potential form-fit-function changes prior to integration.

Audio Amplifiers Selection Notes

Select this component when a compact stereo solution with integrated volume control is required. It is suitable for applications where space constraints prohibit the use of large coupling capacitors. Consider the BGA14 package size and thermal dissipation requirements relative to the target PCB layout and ambient operating conditions.

Audio Amplifiers Part Context

This part belongs to the LM4920 family of audio subsystems designed for portable consumer electronics. It integrates both the main audio amplifier and the headphone driver stage into a single chip. The family focuses on minimizing external component count while maintaining high audio fidelity in small form-factor devices.