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TDA7439 Folha de dados(PDF) 5 Page - STMicroelectronics |
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TDA7439 Folha de dados(HTML) 5 Page - STMicroelectronics |
5 / 23 page TDA7439 Electrical specifications 5/23 Input stage RIN Input resistance 70 100 130 k Ω VCL Clipping level THD = 0.3% 2 2.5 V RMS SIN Input separation The selected input is grounded through a 2.2 µF capacitor 80 100 dB Gin_min Minimum input gain -1 0 1 dB Gin_max Maximum input gain 29 30 31 dB Gstep Step resolution 1.5 2 2.5 dB Volume control Ri Volume control input resistance 20 33 50 k Ω Crange Volume control range 45 47 49 dB Av_max Max. attenuation 45 47 49 dB Astep Step resolution 0.5 1 1.5 dB EA Attenuation set error AV = 0 to -24 dB -1.0 0 1.0 dB AV = -24 to -47 dB -1.5 0 1.5 dB E Τ Tracking error AV = 0 to -24 dB 0 1 dB AV = -24 to -47 dB 0 2 dB VDC DC step adjacent attenuation steps from 0 dB to Av_max 0 0.5 3mV mV Amute Mute attenuation 80 100 dB Bass control (1) Gb Control range Max. boost/cut ±12.0 ±14.0 ±16.0 dB Bstep Step resolution 1 2 3 dB RB Internal feedback resistance 33 44 55 k Ω Treble control (1) Gt Control range Max. boost/cut ±13.0 ±14.0 ±15.0 dB Tstep Step resolution 1 2 3 dB Mid-range control (1) Gm Control range Max. boost/cut ±12.0 ±14.0 ±16.0 dB Mstep Step resolution 1 2 3 dB RM Internal feedback resistance 18.75 25 31.25 k Ω Table 5. Electrical characteristics (continued) Symbol Parameter Test condition Min Typ Max Unit |
Nº de peça semelhante - TDA7439_08 |
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Descrição semelhante - TDA7439_08 |
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