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TAS6422E-Q1中文資料德州儀器數(shù)據(jù)手冊(cè)PDF規(guī)格書

TAS6422E-Q1
廠商型號(hào)

TAS6422E-Q1

功能描述

TAS6424R-Q1 75-W, 2-MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier with Load Dump Protection and I2C Diagnostics

文件大小

2.9873 Mbytes

頁面數(shù)量

86

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱

TI1德州儀器

中文名稱

德州儀器官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2024-12-24 12:38:00

TAS6422E-Q1規(guī)格書詳情

1 Features

? AEC-Q100 Qualified for automotive applications

– Temperature grade 1: –40°C to +125°C TA

? Advanced load diagnostics

– DC Diagnostics run without input clocks

– AC Diagnostic for tweeter detection with

impedance and phase response

? Easily meets CISPR25-L5 EMC specifications

? Audio inputs

– 4 Channel I2S or 4/8-channel TDM input

– Input sample rates: 44.1 kHz, 48 kHz, 96 kHz

– Input formats: 16-bit to 32-bit I2S, and TDM

– Support for high resolution audio systems

? Audio outputs

– Four-channel bridge-tied load (BTL)

– Two-channel parallel BTL (PBTL)

– Up to 2.1 MHz output switching frequency

– 45 W, 10 THD Into 2 Ω at 14.4 V BTL

– 75 W, 10 THD Into 4 Ω at 25 V BTL

– 150W, 10 THD Into 2 Ω at 25 V PBTL

? Audio performance into 4 Ω at 14.4 V BTL

– THD+N <0.009 at 1 W

– 30 μVRMS output noise

– –97 dB crosstalk

? Load diagnostics

– Open load, shorted load, short-to-battery, shortto-

ground

– Line output detection up to 6 kΩ

? Protection

– Enhanced reverse current capabilities

– Output current limiting and short protection

– 40 V Load dump

– Open ground and power tolerant

– DC offset

– Over-temperature, undervoltage, and

overvoltage

? General operation

– 4.5 V to 26.4 V supply voltage

– I2C Control with 4 address options

– Latched and non-latched clip detect

– Enhanced EMI management

2 Applications

? Automotive head unit

? Automotive external amplifier

3 Description

The TAS6424R-Q1 device is a four-channel digitalinput

Class-D audio amplifier that implements a

2.1 MHz PWM switching frequency enabling a costoptimized

device in a very small PCB size, full

operation down to 4.5 V for start/stop events, and

exceptional sound quality with up to 40 kHz audio

bandwidth.

The output switching frequency can be set either

above the AM band, which eliminates AM-band

interferences and reduces output filtering and cost, or

below the AM band to optimize efficiency.

The device has a built-in load diagnostic function for

detecting and diagnosing misconnected outputs as

well as detection of AC-coupled tweeters to help to

reduce test time during the manufacturing process.

The devices adds EMI management features

including spread-spectrum, output phase offset and

optimized slew rate to assist in system level EMI

challenges.

The TAS6424R-Q1 Class-D audio amplifier is

designed for use in automotive head units and

external amplifier modules. For pin compatible one,

two and four-channel devices see the the Device

Options table.

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