TAA2009 Datasheet, PDF (3/19 Pages) Tripath Technology Inc. – STEREO 9W (8Ω) CLASS-T™ DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING™ TECHNOLOGY

Tripath Technology, Inc. - Technical Information
E L E C T R I C A L C H A R A C T E R I S T I C S (Note 5)
See Application/Test Circuit with single ended inputs and filtered outputs. Unless otherwise specified,
V_DD = 12V, f = 1kHz, Gain1=0, Gain0=1 Measurement Bandwidth = 20kHz, R_L = 8Ω, T_A = 25 °C,
package exposed pad soldered to the printed circuit board.
SYMBOL
PARAMETER
PO
Output Power
(Continuous
Average/Channel)
CONDITIONS
THD+N = 0.1% RL = 6Ω
RL = 8Ω
RL = 16Ω
IDD,MUTE
IDD, SLEEP
Iq
THD + N
IHF-IM
SNR
CS
PSRR
η
VOFFSET1
VOFFSET2
VOH
VOL
eOUT
Mute Supply Current
THD+N = 10%
MUTE = VIH
RL = 6Ω
RL = 8Ω
RL = 16Ω
Sleep Supply Current
SLEEP = VIH
Quiescent Current
VIN = 0 V
Total Harmonic Distortion
Plus Noise
IHF Intermodulation
Distortion
Signal-to-Noise Ratio
Channel Separation
Power Supply Rejection
Ratio
Power Efficiency
Dynamic Output Offset
Voltage (note 6)
Static Output Offset Voltage
PO = 5W/Channel
19kHz, 20kHz, 1:1 (IHF), Po = 1W
A-Weighted, POUT = 9W, RL = 8Ω
f = 1 kHz
20 Hz < f < 20 kHz
VDD = 9V to 13.2V
POUT = 9W/Channel, RL = 8Ω
MUTE transition from high to low
MUTE = low
High-level output voltage
(FAULT)
Low-level output voltage
(FAULT)
Output Noise Voltage
-40°C to +85°C, IOH = 250uA
-40°C to +85°C, IOL= 250uA
A-Weighted, input AC grounded
MIN.
-10
4.5
TYP.
7.8
6.4
3.5
MAX. UNITS
W
W
W
10.6
W
9
W
5
W
28
mA
7
mA
60
mA
0.05
%
0.16
%
96
dB
96
dB
70
dB
85
dB
86
%
10 mV
50
mV
V
0.5
V
160
µV
Note 5: Minimum and maximum limits are guaranteed but may not be 100% tested.
Note 6: Refer to the Dynamic DC Offset Calibration section on page 14 for a detailed description of
Dynamic Offset Voltage.
3
TAA2009 –KLi/1.02/ 05.06