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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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WM8510GEDS/V bảng dữ liệu(PDF) 6 Page - Wolfson Microelectronics plc |
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WM8510GEDS/V bảng dữ liệu(HTML) 6 Page - Wolfson Microelectronics plc |
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6 / 56 page  WM8510 Product Preview w PP Rev 1.2 December 2004 6 ELECTRICAL CHARACTERISTICS Test Conditions DCVDD = 1.62V, AVDD = DBVDD = 3.3V, SPKVDD = 3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Microphone Inputs (MICN, MICP) Full-scale Input Signal Level (Note 1) – note this changes with AVDD VINFS PGABOOST = 0dB INPPGAVOL = 0dB 1.0 0 Vrms dBV Mic PGA equivalent input noise At 35.25dB gain TBD uV Input resistance RMICIN Gain set to 35.25dB 1.6 k Ω Input resistance RMICIN Gain set to 0dB 47 k Ω Input resistance RMICIN Gain set to -12dB 75 k Ω Input resistance RMICIP MICP2INPPGA = 1 94 k Ω Input resistance RMICIP MICP2INPPGA = 0 TBD k Ω Input Capacitance CMICIN 10 pF Recommended coupling cap CCOUP 220 uF MIC Input Programmable Gain Amplifier (PGA) Programmable Gain -12 35.25 dB Programmable Gain Step Size Guaranteed monotonic 0.75 dB Mute Attenuation TBD dB Selectable Input Gain Boost (0/+20dB) Gain Boost 0 20 dB Automatic Level Control (ALC)/Limiter – ADC only Target Record Level -28.5 -6 dB Programmable Gain -12 35.25 dB Programmable Gain Step Size Guaranteed Monotonic 0.75 dB Gain Hold Time (Note 2) tHOLD MCLK=12.288MHz (Note 4) 0, 2.67, 5.33, 10.67, … , 43691 (time doubles with each step) ms ALCMODE=0 (ALC), MCLK=12.288MHz (Note 4) 3.3, 6.6, 13.1, … , 3360 (time doubles with each step) Gain Ramp-Up (Decay) Time (Note 3) tDCY ALCMODE=1 (limiter), MCLK=12.288MHz (Note 4) 0.73, 1.45, 2.91, … , 744 (time doubles with each step) ms ALCMODE=0 (ALC), MCLK=12.288MHz (Note 4) 0.83, 1.66, 3.33, … , 852 (time doubles with each step) Gain Ramp-Down (Attack) Time (Note 3) tATK ALCMODE=1 (limiter), MCLK=12.288MHz (Note 4) 0.18, 0.36, 0.73, … , 186 (time doubles with each step) ms Mute Attenuation TBD dB Analogue to Digital Converter (ADC) Signal to Noise Ratio (Note 5, 6) A-weighted, 0dB gain 90 dB Total Harmonic Distortion (Note 7) full-scale, 0dB gain -80 dB |
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