參數(shù)資料
型號(hào): TDA7404D
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: SOP-28
文件頁數(shù): 32/35頁
文件大小: 633K
代理商: TDA7404D
Detailed features
TDA7404
1
Detailed features
Input multiplexer
– 1 pseudo-differential stereo input (selectable single end stereo input)
– 3 single-end stereo inputs
– 1 differential mono input
– In-Gain 0..14 dB, 1 dB steps, 14..20 dB, 2 dB steps
– Auto Zero
Beep
internal beep with 3 frequencies
781 Hz/1.56 kHz/1.8 kHz
Mixing stage
4 step-mixing-stage with mono or beep as mix-signals
Loudness
second order frequency response
programmable center frequency
15 x 1 dB steps
selectable low and high frequency boost
selectable flat-mode (constant attenuation)
Volume
1 dB attenuator
100 dB range
soft-step control with programmable times
Bass
–2nd order frequency response
center frequency programmable in 4 steps
60 Hz / 80 Hz / 100 Hz / 200 Hz
Q programmable 1.0/1.25/1.5/2.0
DC gain programmable
–+15 dB x 1 dB steps
Treble
–2nd order frequency response
center frequency programmable in 4 steps
10 kHz / 12.5 kHz / 15 kHz / 17.5 kHz
–+15 dB x 1 dB steps
Speaker
4 independent speaker controls in 1 dB steps
control range 50 dB with mute
Zero crossing attenuate
Subwoofer
Stereo output
attenuator range 50 dB
Mute functions
–direct mute
digitally controlled Soft Mute with 4 programmable mute-times
相關(guān)PDF資料
PDF描述
TDA7405TR SPECIALTY CONSUMER CIRCUIT, PQFP44
TDA7405 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
TDA7406T SPECIALTY CONSUMER CIRCUIT, PQFP44
TDA7407TR SPECIALTY CONSUMER CIRCUIT, PQFP44
TDA7407 SPECIALTY CONSUMER CIRCUIT, PQFP44
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