SLOS995A
October 2017 – February 2018
TPA6404-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Block Diagram
4
Revision History
5
Device and Documentation Support
5.1
Documentation Support
5.1.1
Related Documentation
5.2
Receiving Notification of Documentation Updates
5.3
Community Resources
5.4
Trademarks
5.5
Electrostatic Discharge Caution
5.6
Glossary
6
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DKQ|56
MPDS378A
Thermal pad, mechanical data (Package|Pins)
DKQ|56
PPTD313D
Orderable Information
slos995a_oa
slos995a_pm
1
Features
Advanced Load Diagnostics
AC Diagnostic for Tweeter Detection with Impedance and Phase Response
Integrated sine wave Generator
Easy to meet CISPR25-L5 EMC specification
AEC-Q100 Qualified With the Following Results for Automotive Applications:
Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
Device HBM ESD Classification Level: 3A
Device CDM ESD Classification Level: C4B
Audio Inputs
4
Channel Differential Analog Input
Four I
2
C-Controlled Gain Options
High Input Impedance for Low Value AC-coupling Capacitor
Audio Outputs
Four
-Channel Bridge-Tied Load (BTL)
, with Option of Parallel BTL (PBTL)
Up to 2.1 MHz Output Switching Frequency
27 W, 10% THD into 4 Ω at 14.4 V
45 W, 10% THD into 2 Ω at 14.4 V
85 W, 10% THD into 1 Ω at 14.4 V PBTL
Audio Performance into 4 Ω at 14.4 V, 1 kHz
THD+N <
0.01
%
42
µV
RMS
Output Noise
- 90 dB Crosstalk
Load Diagnostics
Output Open and Shorted Load
Output-to-Battery or Ground Shorts
Line Output Detection Up to 6 kΩ
Runs without Input Clocks
Protection
Output Current Limiting
Output Short Protection
40 V Load Dump
Fortuitous Open Ground and Power Tolerant
DC Offset
Over Temperature
Undervoltage and Overvoltage
General Operation
4.5 V to
18
V supply voltage
I
2
C Control With 4 Address Options
Clip Detection and Thermal Foldback