13
Features
Audio Input/Output
o
25 W Into an 8-
Ω
Load From a 20-V Supply
o
Wide PVDD Range, From 8V to 26V
o
Supports BTL Configuration with 4-
Ω
Load
o
Efficient Class-D Operation Elminates Need for Heatsinks
o
One serial Audio Input (Two Audio Channels)
o
I
2
C Address Selection Pin (Chip Select)
o
Single Output Filter PBTL Support
o
Supports 441-kHz to 48-kHz Sample Rate (LJ/RJ/I
2
S)
Audio/PWM Processing
o
Indepent Channel Volume Control With Gain of 24 dB to Mute With 0.125-dB
Resolution Steps
o
Programmable Two-Band Dynamic-Range Control
o
18 Programmable Biquads for Speaker EQ and Other Audio-Processing Features
o
Programmable Coefficients for DRC Filters
o
DC Blocking Filters
General Features
o
I
2
C Serial Control Interface Operational Without MCLK
o
Requires Only 3.3 V and PVDD
o
No External Oscillator: Internal Oscillator for Automatic Rate Detection
o
Surface-Mount, 48-Pin HTQFP Package
o
Thermal and Short-Circuit Protection
o
106-dB SNR, A-Weighted
o
AD,BD, and Ternary Modulation
o
Up to 90% Efficient
o
PWM Level Meter to Measure the Digital Power Profile
Benefits
o
EQ: Speaker Equalization Improves Audio Performance
o
Two-Band DRC: Dynamic Range Compression. Can Be Used As Power Limiter. Enables Speaker
Protection, Easy Listening, Night-Mode Listening
o
Autodetect: Automatically Detects Sample-Rate Changes. No need for External Microprocessor
Intervention
Applications:
o
LCD TV, LED TV, Soundbar
Summary of Contents for 55293DLB
Page 1: ...HITACHI 55HK6T64U 55293DLB MB100 SERVICE MANUAL ...
Page 5: ...4 Table Pin Functions ...
Page 6: ...5 B M88TS2022 SATELLITE TUNER Pin Assigment ...
Page 9: ...8 Pin descriptions and functions Figure TAS5719 Pin descriptions ...
Page 10: ...9 Table TAS5719 Pin Functions ...
Page 15: ...14 Table Electrical Characteristics Figure PHP Package Top View ...
Page 16: ...15 Table Pin Functions ...
Page 23: ...22 Figure Pin Description Table Pin functions ...
Page 25: ...24 Table Recommended operating conditions Figure Pin Description ...
Page 31: ...30 5 MICROCONTROLLER MSTAR MSD95C0H General Description ...
Page 32: ...31 Features ...
Page 33: ...32 ...
Page 34: ...33 ...
Page 35: ...34 ...
Page 36: ...35 ...
Page 37: ...36 Table Recommended operating conditions ...
Page 38: ...37 6 VIDEO BACK END PROCESSOR MSTAR MST7410DY General Description ...
Page 39: ...38 Table Recommended operating conditions Features ...
Page 40: ...39 ...
Page 41: ...40 Block Diagram Figure Block diagram ...
Page 50: ...49 Table Pin description 11 DEMODULATOR STAGE MSB1240 DVB T2 Key Features ...
Page 51: ...50 General Description ...
Page 52: ...51 Block Diagram ...
Page 53: ...52 Pinning Absolute Maximum Ratings ...
Page 63: ...62 ...
Page 65: ...64 15 PLACEMENT OF BLOCKS ...