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TDA7343 датащи(PDF) 4 Page - STMicroelectronics |
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TDA7343 датащи(HTML) 4 Page - STMicroelectronics |
4 / 14 page ELECTRICAL CHARACTERISTICS (VS = 9V; RL = 10K Ω;Rg =50Ω;Tamb =25°C; all controls flat (G - 0dB); f = 1KHz. Refer to the test circuit, unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit INPUT SELECTOR RI Input Resistance 70 100 130 K Ω VCL Clipping Level d ≤ 0.3% 2.1 2.6 VRMS SI Input Separation 80 100 dB RL Output Load Resistance 2 K Ω GI MIN Minimum Input Gain -0.75 0 0.75 dB GI MAX Maximum Input Gain 10.25 11.25 12.25 dB Gstep Step Resolution 2.75 3.75 4.75 dB eN Input Noise 20Hz to 20 KHz unweighted 2.3 µV VDC DC Steps Adiacent Gain Steps 1.5 10 mV GIMIN to GIMAX 3mV VOLUME CONTROL RI Input Resistance 35 50 K Ω GMAX Maximum Gain 18.75 20 21.25 dB AMAX Maximum Attenuation 57.7 59.7 62.7 dB ASTEPC Step Resolution Coarse Attenuation 0.5 1.25 2.0 dB ASTEPF Step Resolution Fine Attenuation 0.11 0.31 0.51 dB EA Attenuation Set Error G = 20 to -20dB -1.25 0 1.25 dB G = -20 to -58dB -3 2 dB Et Tracking Error 2dB VDC DC Steps Adiacent Attenuation Steps -3 0 3 mV From 0dB to AMAX 0.5 5 mV LOUDNESS CONTROL RI Internal Resistor Loud = ON 35 50 65 K Ω AMAX Maximum Attenuation 17.5 18.75 20.0 dB Astep Step Resolution 0.5 1.25 2.0 dB ZERO CROSSING MUTE VTH Zero Crossing Threshold (note 1) WIN = 11 20 mV WIN = 10 40 mV WIN = 01 80 mV WIN = 00 160 mV AMUTE Mute Attenuation 80 100 dB VDC DC Step 0dB to Mute 0 3 mV SOFT MUTE AMUTE Mute Attenuation 60 dB TDON ON Delay Time CCSM = 22nF; 0 to -20dB; I = IMAX 0.7 1 1.7 ms CCSM = 22nF; 0 to -20dB; I = IMIN 20 35 55 ms TDOFF OFF Delay Time VCSM = 0V; I = IMAX 25 50 75 µA VCSM = 0V; I = IMIN 1 µA VTHSM Soft Mute Threshold 1.5 2.5 3.5 V RINT Pullup Resistor (pin 22) (note 2) 35 50 65 K Ω VSMH (pin 22) Level High Soft Mute Active 3.5 V VSML (pin 22) Level Low 1V TDA7343 4/14 |
Аналогичный номер детали - TDA7343 |
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Аналогичное описание - TDA7343 |
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