TDF8546TH/N2,118
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NXP USA Inc. TDF8546TH/N2,118

Manufacturer No:
TDF8546TH/N2,118
Manufacturer:
NXP USA Inc.
Package:
Tape & Reel (TR)
Description:
IC AMP CLASS AB QUAD 64W 36HSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The TDF8546TH/N2,118 is a high-performance, I2C-bus controlled, quad-channel audio amplifier produced by NXP USA Inc. This integrated circuit is designed to deliver exceptional audio quality and efficiency, making it suitable for a variety of audio applications. The amplifier features a Class AB architecture and is capable of delivering up to 45 watts of output power per channel. It is known for its best-in-class efficiency, reducing heat generation and enhancing overall system reliability.

Key Specifications

ParameterConditionsMinTypMaxUnit
Operating Supply Voltage (VP)RL = 4 Ω614.418V
Operating Supply Voltage (VP)RL = 2 Ω614.416V
Quiescent Current (Iq)No load; VP = 7 V-190-mA
Off-state Current (Ioff)VSTB = 0.4 V-410μA
Output Power (Po)RL = 4 Ω; VP = 14.4 V; THD = 0.5%1820-W
Output Power (Po)RL = 4 Ω; VP = 14.4 V; THD = 10%2325-W
Output Power (Po)RL = 2 Ω; VP = 14.4 V; THD = 0.5%2932-W

Key Features

  • I2C-bus control for flexible configuration and diagnostics.
  • Quad-channel Class AB amplifier with up to 45 watts of output power per channel.
  • High efficiency, reducing heat generation and enhancing system reliability.
  • Support for various operating modes, including high gain/low gain and line driver modes.
  • Start-up diagnostics and amplifier switch-off time control via I2C-bus.
  • Operating temperature range from -40°C to +150°C.

Applications

The TDF8546TH/N2,118 is suitable for a wide range of audio applications, including:

  • Automotive audio systems.
  • Home audio equipment.
  • Professional audio systems.
  • Consumer electronics requiring high-quality audio amplification.

Q & A

  1. What is the maximum output power per channel of the TDF8546TH/N2,118?
    The maximum output power per channel is up to 45 watts.
  2. What is the operating supply voltage range for the TDF8546TH/N2,118?
    The operating supply voltage range is from 6 V to 18 V for RL = 4 Ω and from 6 V to 16 V for RL = 2 Ω.
  3. How is the TDF8546TH/N2,118 controlled?
    The TDF8546TH/N2,118 is controlled via the I2C-bus, allowing for flexible configuration and diagnostics.
  4. What are the different operating modes supported by the TDF8546TH/N2,118?
    The amplifier supports high gain/low gain and line driver modes.
  5. What is the quiescent current of the TDF8546TH/N2,118?
    The quiescent current is typically 190 mA at no load with VP = 7 V.
  6. What is the off-state current of the TDF8546TH/N2,118?
    The off-state current is typically 4 μA with VSTB = 0.4 V.
  7. What is the temperature range for the TDF8546TH/N2,118?
    The operating temperature range is from -40°C to +150°C.
  8. What are some common applications for the TDF8546TH/N2,118?
    Common applications include automotive audio systems, home audio equipment, professional audio systems, and consumer electronics requiring high-quality audio amplification.
  9. How does the TDF8546TH/N2,118 manage start-up diagnostics?
    The start-up diagnostics are managed via the I2C-bus, allowing for comprehensive diagnostic checks during start-up.
  10. What is the amplifier switch-off time for the TDF8546TH/N2,118?
    The amplifier switch-off time is typically between 250 ms to 750 ms via the STB pin.

Product Attributes

Type:Class AB
Output Type:4-Channel (Quad)
Max Output Power x Channels @ Load:64W x 4 @ 2Ohm
Voltage - Supply:6V ~ 18V
Features:Depop, I²C, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type:Surface Mount
Operating Temperature:- 
Supplier Device Package:36-HSOP
Package / Case:36-BSSOP (0.433", 11.00mm Width) Exposed Pad
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