參數(shù)資料
型號: TDA7719
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù): 16/46頁
文件大小: 590K
代理商: TDA7719
TDA7719
Description
Doc ID 13698 Rev 4
4.8.2
Treble center frequency
Figure 17 shows the four possible center frequencies 10 k, 12.5 k, 15 k and 17.5 kHz.
Figure 17.
Treble center frequencies @ gain = 14 dB
4.9
Subwoofer Filter
The subwoofer lowpass filter has Butterworth characteristics with programmable cut-off
frequency (80 / 120 / 160 Hz). The output phase can be selected between 0 deg and
180 deg. The input of subwoofer takes signal from bass filter output or output of input mux.
Figure 18.
Subwoofer control
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