TFA9894UK/N2Z

Description：5.6W/CLASS D/ I2S/TDM 10V BOOST
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)

SKU:5437192cff36 Category: Audio Amplifiers Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：5.6W/CLASS D/ I2S/TDM 10V BOOST
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)
Type：Class D
Output Type：1-Channel (Mono)
Max Output Power x Channels @ Load：6.2W x 1 @ 4Ohm; 5.6W x 2 @ 8Ohm
Voltage - Supply：2.7V ~ 5.5V
Features：-
Mounting Type：Surface Mount
Supplier Device Package：48-WLCSP (2.51x3.55)
Package / Case：48-UFBGA, WLCSP
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

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TFA9894UK/N2Z

Overview

The TFA9894UK/N2Z is a Class D audio amplifier manufactured by NXP USA Inc. It features a single-channel mono output configuration housed in a 48-WLCSP package with dimensions of 2.51x3.55 mm. The device operates within a supply voltage range of 2.7V to 5.5V and supports digital input types including I2S and TDM interfaces. Maximum output power specifications include 6.2W into a 4-ohm load, 5.6W into an 8-ohm load, and 9.5W into a 4-ohm load under specific conditions. The operating temperature range extends from -40°C to 85°C.

Feature Summary

Digital Class D amplification architecture
Integrated boost converter capability
Support for I2S and TDM digital audio interfaces

Applications

Smart Audio Amplifier implementations
i.MX RT106A Solution for Alexa Voice Service (AVS)
Embedded DSP-based audio systems

Procurement Notes

This component is officially marked as obsolete or no longer manufactured by NXP Semiconductors. Verification of current availability requires checking authorized distributors for remaining stock or alternative sourcing channels. Ensure compatibility with existing designs before considering replacement options due to the discontinued status.

Selection Notes

Select this part only if legacy design compatibility is required, as it is discontinued. Verify that the 48-WLCSP package footprint matches the PCB layout. Confirm that the digital interface requirements align with I2S or TDM sources. Consider the thermal performance within the specified operating temperature range during system integration.

Part Context

The TFA9894 series belongs to NXP's portfolio of smart audio amplifiers designed for embedded applications. This specific model integrates DSP capabilities and is often associated with voice service solutions like Alexa AVS on i.MX processors. It represents a specialized solution for high-efficiency audio processing in compact form factors.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineering change orders may be necessary to adopt newer NXP audio amplifier models with compatible pinouts and functionality.

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.