Sure Electronics TPA3110, User Manual

2 X 8WATT CLASS D AUDIO 

AMPLIFIER BOARD - TPA3110 

USER’S GUIDE 

©

 2004-2012 Sure Electronics Inc. 

AA-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 ,

℃

ＤＣ

12

Ｖ；

f=1000Hz, sine ware input, RL=4

Ω

, 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=8

Ω

, Pout=5W

- 86% - 

Efficiency 

Vcc=12V, 
RL=8

Ω

, 

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