TDA8542TS/N1,112

Description：IC AMP CLASS AB STER 1.2W 20SSOP
Series：-
Mfr：NXP USA Inc.
Package：Tube

SKU:e0aa5485c0b6 Category: Audio Amplifiers Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC AMP CLASS AB STER 1.2W 20SSOP
Series：-
Mfr：NXP USA Inc.
Package：Tube
Type：Class AB
Output Type：2-Channel (Stereo)
Max Output Power x Channels @ Load：1.2W x 2 @ 8Ohm
Voltage - Supply：2.2V ~ 18V
Features：Depop, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type：Surface Mount
Supplier Device Package：20-SSOP
Package / Case：20-LSSOP (0.173", 4.40mm Width)
Operating Temperature：-40°C ~ 85°C (TA)
Grade：-
Qualification：-

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TDA8542TS/N1,112

Overview

The TDA8542TS is a two-channel audio power amplifier delivering 2 × 0.7 W output power to a 16 Ω load at THD = 10% using a 5 V supply. It features Bridge-Tied Load (BTL) amplifiers with complementary PNP-NPN output stages and standby/mute logic. The device operates within a supply voltage range of 2.2 V to 18 V, with a typical quiescent current of 15 mA at 5 V. Standby current is limited to 10 μA. Gain is adjustable from 6 dB to 30 dB via external resistors. The component is housed in an SSOP20 package.

Feature Summary

Bridge-Tied Load architecture with complementary PNP-NPN output stage
CMOS-compatible standby and mute control logic
Adjustable closed-loop voltage gain via external feedback resistors
Integrated thermal shutdown protection

Applications

Portable consumer products
Personal computers
Motor-driver (servo)

Procurement Notes

Verify the specific ordering suffix against the manufacturer's latest documentation to confirm package type and revision status. Ensure compatibility with the intended PCB layout for thermal management, as performance depends on copper area. Confirm that the application environment remains within the specified operating temperature range of -40 °C to +85 °C.

Selection Notes

Select this component for low-voltage applications requiring dual-channel amplification without complex digital interfaces. The BTL configuration allows higher output power compared to single-ended designs at similar supply voltages. Verify that the required gain setting falls within the 6 dB to 30 dB range achievable with external resistors. Consider the SSOP20 package dimensions for board space constraints.

Part Context

This part belongs to the NXP audio amplifier family designed for general-purpose audio amplification. It utilizes a standard BTL topology common in portable electronics. The SSOP20 package provides a compact solution for integrating dual-channel amplification into space-constrained designs.