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TDA7348D Fiches technique(PDF) 6 Page - STMicroelectronics |
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TDA7348D Fiches technique(HTML) 6 Page - STMicroelectronics |
6 / 20 page Electrical characteristics TDA7348 6/20 2 Electrical characteristics Table 1. Electrical characteristics VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all controls flat (G = 0.3dB step 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 3 mV Volume control (1 + 2) RI Input resistance 35 50 K Ω GMAX Maximum gain 18.75 20 21.25 dB AMAX Maximum attenuation 78.45 dB ASTEPC Step resolution coarse attenuation 0.51.252.0 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 2 dB VDC DC steps Adiacent attenuation steps -3 0 3 mV From 0dB to AMAX 0.5 5 mV Zero crossing mute VTH Zero crossing threshold 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 |
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