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TDA7348 датащи(PDF) 7 Page - STMicroelectronics |
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TDA7348 датащи(HTML) 7 Page - STMicroelectronics |
7 / 20 page TDA7348 Electrical characteristics 7/20 Soft mute AMUTE Mute attenuation 45 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 Pull-up resistor (pin 22) 35 50 65 K Ω VSMH (pin 22) level high Soft Mute active 3.5 V VSML (pin 22) level low 1 V Bass control BBOOST Max bass boost 15 18 20 dB BCUT Max bass cut -8.5 -10 -11.5 dB Astep Step resolution 1 2 3 dB Rg Internal feedback resistance 45 65 85 K Ω Treble control CRANGE Control range ±13 ±14 ±15 dB Astep Step resolution 1 2 3 dB Speaker attenuators CRANGE Control range 35 37.5 40 dB Astep Step resolution 0.5 1.25 2.0 dB AMUTE Output mute attenuation Data word = XXX11111 80 100 dB EA Attenuation set error 1.25 dB VDC DC steps Adjacent attenuation steps 0 3 mV Audio output Vclip Clipping level d = 0.3% 2.1 2.6 Vrms RL Output load resistance 2 K Ω RO Output impedance 30 100 W VDC DC voltage level 3.5 3.8 4.1 V General VCC Supply voltage 6 9 10.2 V Table 1. Electrical characteristics (continued) 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 |
Аналогичный номер детали - TDA7348_07 |
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Аналогичное описание - TDA7348_07 |
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