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TDA8190 Arkusz danych(PDF) 3 Page - STMicroelectronics |
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TDA8190 Arkusz danych(HTML) 3 Page - STMicroelectronics |
3 / 11 page ELECTRICAL CHARACTERISTICS (refer to the test circuit, VS = 24V, S1 : on, ∆f= ± 25kHz, VI = 1mV, P1 = 12kΩ,fo = 4.5MHz, fm = 400Hz, Tamb =25 °C, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit DC CHARACTERISTICS Vs Supply Voltage (pin 18) P2 = 12k Ω 10.8 27 V Vo Quiescent Output Voltage (pin 17) 11 12 13 V1 Pin 1 DC Voltage P2 = 12k Ω, R1 = 270kΩ 5.3 V V4 Pin 4 DC Voltage P2 = 12k Ω 3.2 V Id Quiescent Drain Current 32 mA IF AMPLIFIER AND DETECTOR Vi (threshold) Input Limiting Voltage at Pin 2 (–3dB) Vo =4 Vrms 50 100 µV V9 Recovered Audio Voltage (pin 9) ∆f= ± 7.5kHz, P2 = 12kΩ 140 200 280 mV AMR Amplitude Modulation Rejection (*) m = 0.3, Vi = 1mV, Vo =4VRMS 60 dB Ri Input Resistance (pin 2) ∆f = 0, P2 = 12kΩ 30 k Ω Ci Input Capacitance (pin 2) 6 pF R9 Deemphasis Resistance C1 = 68 to 888nF 0.75 1.1 1.5 k Ω DC VOLUME CONTROL Kv Volume Attenuation (resistance control) P2 =0 Ω P2 = 4.3k Ω P2 = 12k Ω 20 0 26 88 32 dB dB dB Vc Control Voltage K = 0dB K = 26dB K = 88dB 0 1.3 2.6 V V V ∆KV ∆Tpins Volume Attenuation Thermal Drift (resistance control) Tpins =25 to 85 °C, P2 = 4.3kΩ – 0.05 dB/ oC DC TONE CONTROL KT Tone Cut S1 : Off, V10 = 200 mV P1 = 12k Ω to 100Ω,fAF = 10kHz 14 dB AUDIO FREQUENCY AMPLIFIER Po Output Power (d = 10 %) Vs = 24V,RL =16 Ω Vs = 12V,RL =8 Ω 3.5 4.1 1.5 W W B Frequency Response of Audio Amplifier (– 3dB) Po = 1W, RL =16 Ω, S1 : Off, V10 = 200mV, Vo =4VRMS, @400 Hz 15 50 kHz SVR Supply Voltage Rejection P2 = 12k Ω, ∆f = 0, fripple = 120Hz 26 dB V. C. R. d Total Harmonic Distortion of Pin 9 Output Signal ∆f= ± 7.5kHz, Vi = 1mV 0.5 % SVR Supply Voltage Rejection at Output Pin 9 ∆f = 0, fripple = 120Hz, P2 = 12kΩ 66 dB S + N N Signal to Noise Ratio at Output Pin 9 ∆f = 25 kHz, Vi ≥ 1mV 70 dB V10 Input Voltage (playback) Vo =4 Vrms,P2 = 0, S1 : Off 50 70 100 mV R10 Input Resistance (playback) S1 : Off 10 k Ω Total Harmonic Distortion for 20dB Overload of V10 S1 : Off, V10 =1Vrms,Vo =4Vrms 0.5 3 % TDA8190 3/11 |
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