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TDA7407D 数据表(PDF) 6 Page - STMicroelectronics |
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TDA7407D 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 34 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) TDA7407D 6/34 fC Center Frequency fC1 450 500 550 Hz fC2 0.9 1 1.1 kHz fC3 1.35 1.5 1.65 kHz fC4 1.8 2 2.2 kHz QMID Quality Factor Q1 0.9 1 1.1 Q2 1.8 2 2.2 TREBLE CONTROL CRANGE Control Range ±13 ±15 ±17 dB ASTEP Step Resolution 0.5 1 1.5 dB fC Center Frequency fC1 810 12 KHz fC2 10 12.5 15 KHz fC3 12 15 18 KHz fC4 14 17.5 21 KHz SPEAKER ATTENUATORS RIN Input Impedance 35 50 65 K Ω GMAX Max Gain 13 15 17 dB AMAX Max Attenuation -70 -79 dB ASTEP Step Resolution 0.5 1 1.5 dB AMUTE Output Mute Attenuation 80 90 dB EE Attenuation Set Error ±2dB VDC DC Steps Adjacent Attenuation Steps 0.1 5 mV AUDIO OUTPUTS VCLIP Clipping Level d = 0.3% 2.2 2.6 VRMS RL Output Load Resistance 2 K Ω CL Output Load Capacitance 10 nF ROUT Output Impedance 30 120 Ω VDC DC Voltage Level 4.3 4.5 4.7 V GENERAL eNO Output Noise BW = 20 Hz to 20 KHz output muted 315 µV BW = 20 Hz to 20 KHz all gain = 0dB 6.5 15 µV S/N Signal to Noise Ratio all gain = 0dB flat; VO = 2VRMS 102 110 dB bass treble at 12dB; a-weighted; VO = 2.6VRMS 96 100 dB d Distortion VIN = 1VRMS; all stages 0dB 0.002 0.1 % VIN = 1VRMS; Bass & Treble = 12dB 0.05 0.1 % Table 6. Electrical Characteristics (continued) (VS = 9V; Tamb = 25°C; RL = 10K Ω; all gains = 0dB; f = 1KHz; unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit Obsolete Product(s) - Obsolete Product(s) |
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