Tripath Technology, Inc. – Preliminary Technical Information
TCD6001
6 CHANNEL CLASS-T DIGITAL AUDIO PROCESSOR USING
DIGITAL POWER PROCESSING
TM
TECHNOLOGY
PRELIMINARY INFORMATION
Revision 0.9– July 2005
General Description
The TCD6001 is a high-performance 6-channel digital audio amplifier processor. It accepts 6 digital audio
channels (3 pairs), and outputs 4 complementary single-bit digital data streams, suitable for driving Tripath
switching output stages. The other two channels of digital input are converted and routed to a stereo line-out
stage capable of driving headphones.
The TCD6001 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 TCD6001 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)
4 channel complementary output stream
capable of interfacing with various power
stages
2 channel line-out / headphone drive with
discrete digital input
Wide dynamic range
THD+N less than 0.03%
Input sampling rates up to 192kHz
I
2
C compatible interface
Seamless connection with Tripath TPS4070
or TPS4100 power stage
Low EMI AM Mode
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
Automatic DC offset cancellation
Digital de-emphasis filtering for 32, 44.1 and
48kHz sampling rates
Digital Filter Engine
Channel HP1 & HP2
Serial Input Data Port
Channel 1 & 2
Channel 3 & 4
BITCK
LRCK
MCK
Digital Filter Engine
Digital Filter Engine
Class-T Signal Processor
HP1
Class-T Signal Processor
HP2
Y1/B
FB1P/N
Y2/B
FB2P/N
Y3/B
FB3P/N
Y4/B
FB4P/N
VPPSENSE
VNNSENSE
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
Reference
Voltages
I2C Port
Control Signals
SLEEPB_OUT
HMUTE_SET
BYP_CAL
AM_IN
FAULT
GAIN0/1
OVRLDB
AM_OUT
HMUTE
REXT
1
TCD6001 – JL/Rev. 0.9/07.05
VCLAMP SE/BR
RESETB
SCK
SDA
SE/BRGB
TST_EN
V2BG
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
