전자부품 데이터시트 검색엔진 |
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TDA7461N 데이터시트(PDF) 5 Page - STMicroelectronics |
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TDA7461N 데이터시트(HTML) 5 Page - STMicroelectronics |
5 / 32 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Condition Min. Typ. Max. Unit BEEP CONTROL VRMS Beep Level 250 350 500 mV fBMIN Lower Beep Frequency 570 600 630 Hz fBMAX Higher Beep Frequency 1.15 1.2 1.25 KHz MIXING CONTROL MLEVEL Mixing Level Source -1 0 1 dB Source -5 -6 -7 dB Source -10 -12 -14 dB Beep/Phone -1 0 1 dB VOLUME CONTROL GMAX Max Gain 19 20 21 dB AMAX Max Attenuation -83 -79 -75 dB ASTEP Step Resolution 0.5 1 1.5 dB EA Attenuation Set Error G = -20 to 20dB -1.25 0 1.25 dB G = -60 to 20dB -4 0 3 dB ET Tracking Error 2dB VDC DC Steps Adjacent Attenuation Steps -3 0.1 3 mV From 0dB to GMIN -7 0.5 +7 mV LOUDNESS CONTROL ASTEP Step Resolution 0.5 1 1.5 dB AMAX Max. Attenuation -16 -15 -14 dB fCMIN Lower Center Frequency 180 200 220 Hz fCMAX Higher Center Frequency 360 400 440 Hz SOFT MUTE AMUTE Mute Attenuation 60 100 dB TD Delay Time T1 0.48 1 ms T2 0.96 2 ms T3 20 40.4 60 ms T4 200 324 600 ms VTHlow Low Threshold for SM Pin 1 1V VTHhigh High Threshold for SM Pin 2.5 V RPU Internal Pull-up Resistor 70 100 130 K Ω VPU Pull-up Voltage 4.7 V SOFT STEP TSW Switch Time 5 10 15 ms 1) The SM pin is active low (Mute = 0) TDA7461N 5/32 |
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