Audio Input/Output; Audio/Pwm Processing; General Features; Benefits - Hitachi 55HK6T64U Service Manual

Features

• Audio Input/Output

o TAS5717 Supports 2×10 W and TAS5719 Supports 2×15 W Output
o Wide PVDD Range, From 4.5 V to 26 V
o Efficient Class-D Operation Eliminates Need for Heatsinks
o Requires Only 3.3 V and PVDD
o One Serial Audio Input (Two Audio Channels)
o I2C Address Selection via PIN (Chip Select)
o Supports 8-kHz to 48-kHz Sample Rate (LJ/RJ/I2S)
o External Headphone-Amplifier Shutdown Signal
o Integrated CAP-Free Headphone Amplifier
o Stereo Headphone (Stereo 2-V RMS Line Driver) Outputs

• Audio/PWM Processing

o Independent Channel Volume Controls With 24-dB to Mute
o Programmable Two-Band Dynamic Range Control
o 14 Programmable Biquads for Speaker EQ
o Programmable Coefficients for DRC Filters
o DC Blocking Filters
o 0.125-dB Fine Volume Support

• General Features

o Serial Control Interface Operational Without MCLK
o Factory-Trimmed Internal Oscillator for Automatic Rate Detection
o Surface Mount, 48-Pin, 7-mm × 7-mm HTQFP Package
o AD, BD, and Ternary PWM-Mode Support
o Thermal and Short-Circuit Protection

• Benefits

o EQ: Speaker Equalization Improves Audio Performance
o DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker Protection,
Easy Listening, Night-Mode Listening
o DirectPath Technology: Eliminates Bulky DC Blocking Capacitors
o Stereo Headphone/Stereo Line Drivers: Adjust Gain via External Resistors, Dedicated Active
Headpone Mute Pin, High Signal-to-Noise Ratio
o Two-Band DRC: Set Two Different Thresholds for Low- and High-Frequency Content
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