TFA9842AJ/N1,112

Description：IC AMP CLASS AB STER 7.5W 9PDBS
Series：-
Mfr：NXP USA Inc.
Package：Tube

SKU:8a9c5b7af056 Category: Audio Amplifiers Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC AMP CLASS AB STER 7.5W 9PDBS
Series：-
Mfr：NXP USA Inc.
Package：Tube
Type：Class AB
Output Type：2-Channel (Stereo)
Max Output Power x Channels @ Load：7.5W x 2 @ 4Ohm
Voltage - Supply：9V ~ 28V
Features：Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
Mounting Type：Through Hole
Supplier Device Package：9-DBSP
Package / Case：9-SIP Exposed Tab, Formed Leads
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

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TFA9842AJ/N1,112

Overview

The TFA9842AJ/N1,112 is a stereo audio power amplifier featuring two Single-Ended (SE) channels with integrated volume control. It operates within a supply voltage range of 9 V to 28 V and delivers up to 7.5 W per channel into a 4 Ω load. The device utilizes a DBS9P package and includes built-in protection against short circuits and thermal overload.

Feature Summary

Integrated volume control functionality via pin 7
Built-in thermal and short-circuit protection mechanisms
Low standby current consumption in sleep modes
High supply voltage ripple rejection capability

Applications

CRT TV systems
LCD TV systems
Computer monitors
PC speakers
Boom boxes

Procurement Notes

Verify component authenticity through authorized NXP distributors or certified partners. Confirm the specific suffix matches the required pin configuration for volume control versus mode select. Check for lead-free compliance status if required by local regulations. Ensure proper handling procedures are followed due to the exposed die pad thermal design.

Selection Notes

Select this component for designs requiring integrated volume adjustment without external microcontrollers. Verify that the application supports Single-Ended topology rather than Bridge-Tied Load. Ensure adequate heatsinking is provided given the thermal resistance characteristics. Confirm input impedance requirements match the source signal generator specifications.

Part Context

This part belongs to the TFA984x family of audio amplifiers from NXP Semiconductors. It shares pin compatibility with variants like the TFA9843AJ and TFA9841J, differing primarily in pin 7 functionality. The device represents a solution for mid-power audio applications requiring compact packaging and integrated control features.

Replacement Considerations

Pin-compatible substitutes include TFA9843AJ, TFA9843(B)J, TFA9842(B)J, and TFA9841J. Note that TFA9843AJ also provides volume control on pin 7, while others provide mode select. Verify thermal performance and output power capabilities match the original design requirements before substitution.

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.