Tripath Technology, Inc. – Preliminary Technical Information
TCD6000
6 CHANNEL CLASS-T DIGITAL AUDIO PROCESSOR USING
DIGITAL POWER PROCESSING
TM
TECHNOLOGY
Technical Information – Preliminary
Revision 1.0 – September 2004
General Description
The TCD6000 is a high-performance 6-channel digital audio amplifier processor. It receives 6 digital audio
channels (3 pairs) and outputs 6 complementary single-bit digital data streams suitable for driving Tripath or
other switching output stages.
The TCD6000 accepts data at audio sample rates ranging from 32kHz to 192kHz and incorporates digital
interpolation and sigma-delta conversion to produce streamed digital output signals. When combined with
switching output stages, the TCD6000 allows the implementation of a complete digital audio system
incorporating Class-T Digital Audio Amplification.
Features
Class-T architecture combining ultra-low
distortion with high efficiency
Inputs support I
2
S and other PCM audio
formats
Up to 24-bit resolution (16, 18, 20, and 24
bit)
104dB dynamic range
THD+N less than 0.03%
Input sampling rates up to 192kHz
I
2
C compatible interface
Stereo headphone amplifier
Predictive Gain Control
Digital volume control
128dB range
1/2 dB step size in 1/8 dB increments
Zero crossing detection for click free
transitions
Optional mute mode leaves headphone
amplifiers operating
Automatic DC offset cancellation
130uV noise floor (PGC = 1/8, low post gain)
Digital de-emphasis filtering for 32, 44.1 and
48kHz sampling rates
Digital Filter Engine
Channel 1 & 2
Serial Input Data Port
Channel 3 & 4
Channel 5 & 6
BITCK
LRCK
MCK
Digital Filter Engine
Reference
Voltages
Digital Filter Engine
Digital Filter Engine
Digital Filter Engine
Digital Filter Engine
Class-T Signal Processor
Class-T Signal Processor
Class-T Signal Processor
Class-T Signal Processor
Class-T Signal Processor
Class-T Signal Processor
Y1/B
FB1P/N
HP1
Y2/B
FB2P/N
HP2
Y3/B
FB3P/N
Y4/B
FB4P/N
Y5/B
FB5P/N
Y6/B
FB6P/N
I2C Port
Control Signals
VCLAMP
1
TCD6000 – Rev. 1.0/09.04
OVRLDB
REXT
SCK
SDA
VD18EN
RESETB
HMUTE
V2BG
FAULT
TST_EN
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
