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TAS5424C-Q1_15

更新时间： 2024-11-19 01:20:39
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TAS54x4C-Q1 Four-Channel Automotive Digital Amplifiers

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TAS5414C-Q1, TAS5424C-Q1  
SLOS795E –SEPTEMBER 2013–REVISED JANUARY 2015  
TAS54x4C-Q1 Four-Channel Automotive Digital Amplifiers  
1 Features  
2 Applications  
OEM/Retail Head Units and Amplifier Modules  
Where Feature Densities and System  
Configurations Require Reduction in Heat From  
the Audio Power Amplifier  
1
•
•
•
•
•
TAS5414C-Q1 – Single-Ended Input  
TAS5424C-Q1 – Differential Input  
Four-Channel Digital Power Amplifier  
Four Analog Inputs, Four BTL Power Outputs  
Typical Output Power at 10% THD+N  
3 Description  
–
–
–
–
28 W/Ch Into 4 Ω at 14.4 V  
50 W/Ch Into 2 Ω at 14.4 V  
79 W/Ch Into 4 Ω at 24 V  
The TAS5414C-Q1 and TAS5424C-Q1 are four-  
channel digital audio amplifiers designed for use in  
automotive head units and external amplifier  
modules. They provide four channels at 23 W  
continuously into 4 Ω at less than 1% THD+N from a  
14.4-V supply. Each channel can also deliver 38 W  
into 2 Ω at 1% THD+N. The TAS5414C-Q1 uses  
single-ended analog inputs, whereas the TAS5424C-  
Q1 employs differential inputs for increased immunity  
to common-mode system noise. The digital PWM  
topology of the device provides dramatic  
improvements in efficiency over traditional linear  
amplifier solutions. This reduces the power dissipated  
by the amplifier by a factor of ten under typical music  
playback conditions. The device incorporates all the  
functionality needed to perform in the demanding  
OEM applications area. The devices have built-in  
load diagnostic functions for detecting and diagnosing  
misconnected outputs to help to reduce test time  
during the manufacturing process.  
150 W/Ch Into 2 Ω at 24 V (PBTL)  
•
Channels Can Be Paralleled (PBTL) for High-  
Current Applications  
•
•
THD+N < 0.02%, 1 kHz, 1 W Into 4 Ω  
Patented Pop- and Click-Reduction Technology  
–
–
Soft Muting With Gain Ramp Control  
Common-Mode Ramping  
•
•
•
•
Patented AM Interference Avoidance  
Patented Cycle-by-Cycle Current Limit  
75-dB PSRR  
Four-Address I2C Serial Interface for Device  
Configuration and Control  
•
•
Channel Gains: 12-dB, 20-dB, 26-dB, 32-dB  
Load Diagnostic Functions:  
Device Information(1)  
–
–
–
Output Open and Shorted Load  
Output-to-Power and -to-Ground Shorts  
Patented Tweeter Detection  
PART NUMBER  
TAS5414C-Q1  
TAS5424C-Q1  
PACKAGE  
HTQFP (64)  
HSSOP (44)  
BODY SIZE (NOM)  
14.00mm x 14.00mm  
3.50mm x 15.90mm  
•
Protection and Monitoring Functions:  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
–
–
–
–
Short-Circuit Protection  
Load-Dump Protection to 50 V  
Fortuitous Open-Ground and -Power Tolerant  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
Patented Output DC Level Detection While  
Music Playing  
–
–
–
Overtemperature Protection  
Over- and Undervoltage Conditions  
Clip Detection  
•
•
44-Pin PSOP3 (DKE) Power SOP Package With  
Heat Slug Up for TAS5424C-Q1  
64-Pin QFP (PHD) Power Package With Heat  
Slug Up for TAS5414C-Q1  
•
•
•
•
Designed for Automotive EMC Requirements  
Qualified According to AEC-Q100  
ISO9000:2002 TS16949 Certified  
–40°C to 105°C Ambient Temperature Range  
0
4
8
12  
16  
20  
24  
28  
32  
P − Power Per Channel − W  
G007  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
 
 
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