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In this regard, Huawei said in a statement: "As the world's leading telecom equipment supplier, we have always been committed to developing trustworthy security solutions for our customers. We have a solid business record and hope to continue to receive the full support of government and industry partners. We will continue to work closely with the Indian government and other industry stakeholders."

LM4890 power amplifier circuit｜MP4 external sound circuit

The LM4890 is an audio power amplifier designed primarily for applications in mobile phones and other portable communication devices. Under 5V DC power supply, it can output 1W continuous average power to 8Ω BTL load, and the total harmonic distortion is less than 1%.

Manufacturer number: LM4890MX/NOPB

Manufacturer: Texas Instruments

Category: linear-amplifiers-audio

Description:IC AMP AUDIO PWR 1W MONO 8SOIC

Status: Active

Series: Boomer

Minimum order quantity: 2500

Type: AB class

Output Type: 1-Channel (Mono)

Maximum output power x number of channels at different loads: 1W x 1 @ 8 ohms

Voltage - Power: 2.2 V ~ 5.5 V

Features: Eliminate pop noise, shutdown, thermal protection

Mounting Type: Surface Mount

Operating temperature: -40°C ~ 85°C (TA)

Vendor Device Package: 8-SOIC

Package/Case: 8-SOIC (0.154, 3.90mm wide)

Packaging: Standard Tape and Reel