TFA9891UK/N1AZ

$1.97

Description：IC AMP CLASS D MONO 3.6W 49WLCSP
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3f62d18ba4e7 Category: Audio Amplifiers Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC AMP CLASS D MONO 3.6W 49WLCSP
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Class D
Output Type：1-Channel (Mono)
Max Output Power x Channels @ Load：3.6W x 1 @ 8Ohm
Voltage - Supply：2.7V ~ 5.5V
Features：Depop, Short-Circuit and Thermal Protection
Mounting Type：Surface Mount
Supplier Device Package：49-WLCSP (3.43x2.98)
Package / Case：49-UFBGA, WLCSP
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

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TFA9891UK/N1AZ

Overview

The TFA9891UK/N1AZ is a Class-D audio amplifier manufactured by NXP Semiconductors. It delivers 3.6W of output power into an 8-ohm load. The device utilizes Pulse Density Modulation (PDM) for its input/output interface. It incorporates an integrated boost converter capable of reaching 9.5V to support the amplifier's operation.

Feature Summary

Class-D amplification topology
Integrated PDM I/O interface
Built-in voltage boost capability

Applications

Audio amplifier systems

Procurement Notes

This component is listed as obsolete or no longer manufactured. Availability is restricted, and sourcing may require checking secondary market distributors. Verify current lifecycle status and lead times with suppliers before design finalization.

Selection Notes

Select this part for designs requiring a compact Class-D solution with PDM connectivity. Ensure the system architecture supports the required 9.5V boost voltage and 8-ohm load impedance. Consider the obsolete status when planning long-term production volumes.

Part Context

Part of the NXP audio amplifier portfolio. Related products include the TFA9894AUK/N1Z, which offers higher power output and different digital interfaces like I2S/TDM.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.