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STA575 Datasheet(PDF) 5 Page - STMicroelectronics |
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STA575 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 20 page 5/20 STA575 ELECTRICAL CHARACTERISTCS (Test Condition: Vs+ = 28V, Vs- = -23V, VCD+ = 20V, VCD- = -20V, RL = 8 Ω, external components at the nominal value f = 1KHz, Tamb = 25°C unless otherwise specified Symbol Parameter Test Condition Min. Typ. Max. Unit PREAMPLIFIER AND COMPRESSOR Vout clamp Maximum Voltage at Out_pre pin 9 11 13 Vpeak Iin Audio input current 0.8 mA Vcontrol Voltage at Attack_Release pin Attenuation = 0dB Attenuation = 6dB Attenuation = 26dB 0.35 6 0 0.5 9 0.65 12 V V V VComp_ Th Input voltage range for the compression -5 -1 V Zth Input impedance of Threshold pin 100 K Ω Voffset Output Offset at Out_pre pin with: VCRT= 0V; Attenuation = 0dB VCRT= 0.5V; Attenuation = 6dB VCRT= 9V; Attenuation = 26dB -15 -250 -1000 15 250 450 mV mV mV THD Distortion at Out_pre: VCRT= 0V; Attenuation = 0dB VCRT= 0.5V; Attenuation = 6dB VCRT= 9V; Attenuation = 26dB 0.01 0.1 0.5 2 % % % EN Noise at Out_pre pin : VCRT= 0V; Attenuation = 0dB VCRT= 0.5V; Attenuation = 6dB VCRT= 9V; Attenuation = 26dB 10(2) 50 60 µV µV µV Ict Attack time current at pin Attack_release 0.5 1.5 3 mA 1. This value is due to the thermal noise of the external resistors Rr and Ri. TRACKING PARAMETERS Gtrk Tracking reference voltage gain 13 14 15 V Vtrk_out Tracking ref. output voltage 0 20 V Itrk_out Current capability 5 6 7 mA Ztrk_in Input impedance (TRK1/2)1 M Ω OUTPUT BRIDGE Gout Half Output bridge gain 5.5 6 6.5 dB Gch Output bridge differential gain 11 12 13 dB ∆Gch Output bridges gain mismatch -0.5 0.5 dB Pout Continuous Output Power THD = 0.5% THD = 10% 75 95 80 100 W W THD = 10%; RL= 4Ω; VCD+ = 16V; VCD- = -16V; VS+ = 22V; VS- = -22V 90 100 W THD Total harmonic distortion of the output bridge Po = 5W 0.01 0.1 % f = 20Hz to 20KHz; Po = 50W 0.2 % VOff Output bridge D.C. offset -70 70 mV |
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