TAS5514B-Q1 Datasheet, PDF (1/29 Pages) Texas Instruments – FOUR-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIER

TAS5514B-Q1
www.ti.com
SLOS768 – JUNE 2012
FOUR-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIER
Check for Samples: TAS5514B-Q1
FEATURES
1
• Single-Ended Input
• Four-Channel Digital Power Amplifier
• Four Analog Inputs, Four BTL Power Outputs
• Typical Output Power at 10% THD+N
– 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
– 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
• Master/Slave Capability to Synchronize Clocks
• Load Diagnostic Functions:
– Output Open and Shorted Load
– Output-to-Power and -to-Ground Shorts
• Protection and Monitoring Functions:
– Short-Circuit Protection
– Load-Dump Protection to 50 V
– Fortuitous Open-Ground and -Power
Tolerant
– Patented Output DC Level Detection While
Music Playing
– Overtemperature Protection
– Over- and Undervoltage Conditions
– Clip Detection
• 36-Pin PSOP3 (DKD) Power SOP Package With
Heat Slug
• Designed for Automotive EMC Requirements
• Qualified According to AEC-Q100
• ISO9000:2002 TS16949 Certified
• –40°C to 105°C Ambient Temperature Range
APPLICATIONS
OEM/Retail Head Units and Amplifier Modules
Where Feature Densities and System
Configurations Require Reduction in Heat
From the Audio Power Amplifier
DESCRIPTION
The TAS5514B-Q1 is a four-channel digital audio
amplifier designed for use in automotive head units
and external amplifier modules. It provides 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 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 TAS5514B-Q1 has built-
in load diagnostic functions for detecting and
diagnosing misconnected outputs to help to reduce
test time during the manufacturing process.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2012, Texas Instruments Incorporated