参数资料
型号: TDA7412
厂商: STMICROELECTRONICS
元件分类: 音频控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封装: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件页数: 11/56页
文件大小: 716K
代理商: TDA7412
19/56
TDA7412
1.10 Voice-Band Application
Figure 14. VoiceBand Application with HPF 300/450/600/750Hz and LPF 3k/6kHz
1.11 Output Selector
The output-selector allows to connect the main- or the second-source to the Front-, Rear and Subwoofer speak-
er-attenuator, respectively. As an example of this programming the device is able to connect via software the
main-source to the back (rear) and the second-source to the front (see Figure 17). In addition to this stage allows
to setup different applications by IIC-Bus programming. In figure 18 to 20 three examples are given.
Figure 15. Output Selector
dB
Hz
-50.0
-40.0
-30.0
-20.0
-10.0
0.0
10.0
100.0
1.0K
10.0K
VOICE BAND
BANDPASS
LOWPASS
MS MONO
MAIN SOURCE
RIGHT CHANNEL
MAIN SOURCE
SPEAKER FRONT
SWIN
ACINR
ACINF
OFF/ON
FC
ACOUT
SPEAKER REAR
SPEAKER SUBWOOFER
D00AU1155
LEFT CHANNEL
SECOND SOURCE
25K
50K
25K
SEC.S MONO
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