Sure Electronics TPA3110 - Chapter 3. Electrical Characteristics

2 X 8WATT CLASS D AUDIO
AMPLIFIER BOARD - TPA3110
USER’S GUIDE
© 2004-2012 Sure Electronics Inc.
A
A-AB32231_Ver1.0_Page 9
Following table lists all typical data of the Amp board. For full specification, please refer to
the data sheet of TI’s TPA3110 chip. All the parameters are tested @
TA=20 ,℃ ＤＣ12Ｖ；
f=1000Hz, sine ware input, RL=4Ω, Gain=20dB.
TABLE 3-1 ELECTRICAL CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Supply Voltage - 8V 12V 19V
Input Sensitivity Gain=26dB - 0.283V -
S/N Ratio
Maximum output
at THD+ N < 1%,
f = 1 kHz,
Gain=20db,
A-weighted
- 102dB -
Vcc = 16 V, f = 1
kHz, Po = 7.5 W
(half-power)
0.1% -
THD+N
RL = 8 Ω, f = 1
kHz, Po = 5 W
(half-power)
0.06% -
Vcc=12V,
RL=8Ω, Pout=5W
- 86% -
Efficiency
Vcc=12V,
RL=8Ω,
Pout=10W
89% -
Input Impedance - - 30K ohm -
Gain - 26dB
THD+ N= 10%, f
= 1 kHz, Vcc = 16
V
- 15W -
Output Power
THD+N = 10%, f
= 1 kHz; Vcc = 13
V
- 10W -
Frequency Response - -
20HZ-20KHz
（±3dB）
-
High-level input
voltage
2V - -
SD
Low-level input
voltage
- - 0.8V
Quiescent Current SD = 2 V, no - 20mA 35mA
Chapter 3. Electrical Characteristics