TCD6001 Datasheet, PDF (4/43 Pages) Tripath Technology Inc. – 6 CHANNEL CLASS-T DIGITAL AUDIO PROCESSOR USING DIGITAL POWER PROCESSINGTM TECHNOLOGY

Performance Characteristics
Tripath Technology, Inc. – Preliminary Technical Information
T_A = 25 °C. Unless otherwise noted, the power stage used for testing is the TPS4100, the supply voltage is
VPP=20V, R_L = 4Ω, PGC = 1, post-gain = +2.5dB, coarse gain = 4x, channel volume = 255, feedback
resistor values (1% tolerance) are RFB2 = 1.0K and RFB3 = 5.6K, the MCK frequency is 12.288 MHz, fs =
48kHz, the input frequency is 1kHz, and the measurement bandwidth is 20kHz. See Application/Test Circuit
on page 9.
SYMBOL
PARAMETER
POUT
Output Power (Note 7)
(Continuous power / channel)
THD + N Total Harmonic Distortion Plus Noise
CONDITIONS
THD+N = 0.1%
THD+N = 1.0%
THD+N = 10%
saturated sq. wave
POUT = 20W/Channel
IHF-IM
SNR
CS
IHF Intermodulation Distortion
Signal-to-Noise Ratio
Channel Separation
19kHz, 20kHz, 1:1 (IHF),
POUT = 10W/Channel
A-Weighted
POUT = 70W/Channel
0dBr = 1W
AVERROR Gain Error
eNOUT
Output Noise Voltage
POUT = 1W/Channel
Same chip, channel to channel
Chip to chip
A-Weighted
VOFFSET Output Offset Voltage
After automatic DC calibration
MIN TYP MAX UNITS
30
W
40
W
51
W
74
W
0.02 0.1 %
0.02 0.1 %
101
dB
70 80
dB
0.5
0.5 dB
TBD
TBD dB
150 180 µV
TBD
TBD mV
Note 7: Typical output power performance shown for reference only. Please refer to TPS4100 data sheet
for additional information.
AM Mode Performance Characteristics (Note 9)
T_A = 25 °C. Unless otherwise noted, the power stage used for testing is the TPS4100, the supply voltage is
VPP=20V, R_L = 4Ω, PGC = 1, post-gain = +2.5dB, coarse gain = 4x, channel volume = 255, feedback
resistor values are RFB2 = 1.0K and RFB3 = 5.6K, the MCK frequency is 12.288 MHz, fs = 48kHz, the input
frequency is 1kHz, and the measurement bandwidth is 20kHz. See Application/Test Circuit on page 9.
SYMBOL
PARAMETER
POUT
Output Power (Notes 7,8)
(continuous RMS/Channel)
THD + N Total Harmonic Distortion Plus Noise
CONDITIONS
VDD = 14.4V, THD+N = 0.1%
VDD = 14.4V, THD+N = 10%
POUT = 1W/Channel
SNR
CS
Signal-to-Noise Ratio
Channel Separation
A-Weighted,
POUT = 15W/Channel
0dBr = 1W
eNOUT
Output Noise Voltage
A-Weighted
VOFFSET Output Offset Voltage
After automatic DC calibration
MIN TYP MAX UNITS
10
W
16
W
0.02 0.1 %
92 94
dB
70 80
dB
145 175 µV
TBD
TBD mV
Note 8: Power stage heat sinking in AM Mode must be increased (as compared to Class T mode) to sustain
the typical output numbers. This is due to the lower efficiency of Class B output stage operation.
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TCD6001 – JL/Rev. 0.9/07.05