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FAN3800 Fiches technique(PDF) 6 Page - Fairchild Semiconductor |
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FAN3800 Fiches technique(HTML) 6 Page - Fairchild Semiconductor |
6 / 9 page © 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN3800 • Rev. 1.0.0 6 Electrical Characteristics (Continued) TA = 25°C, VS = 3.0V, audio inputs at -6dBV and AC coupled with 1µF, speaker outputs DC coupled into 16Ω loads referenced to 1kHz, ID = VIL, CBYPASS = 100nF, unless otherwise noted. Symbol Parameter Conditions Min. Typ. Max. Units Microphone Pre-Amplifier AMIC Gain (1) 1kHz, no divider on MICOUT, Input = -58dBV 37.5 38.0 38.5 dB 20Hz to 100Hz -3.0 0.5 dB FRMIC Frequency Response (1) Input = -58dBV, no divider on MICOUT, referenced to 1kHz 100Hz to 20kHz -0.5 0.5 THDMIC Distortion (2) Input = -44dBV at 1kHz Microphone output resistors, R1 = R2 = 800Ω -65 dB SINAD NOISEMIC Idle Noise (2) Input loaded with 2Ω through 1µF cap. Psophometric weighted output -80 dBVp Speaker Amplifier ASPK Gain (1) Input = -26dBV at 1kHz, 16Ω loads -0.5 0 0.5 dB 20Hz to 15kHz referenced to 1kHz -1.5 1.5 dB FRSPK Frequency Response (1) Input = -26dBV 15kHz to 20kHz referenced to 1kHz -0.5 0.5 THDSPK Distortion (2) Input = -6dBV at 1kHz -65 dB SINAD NOISESPK Idle Noise (2) No input -75 dBV(A) XTLKMS Microphone to Speaker Crosstalk (2) Input at microphone to give D+ = -6dBV, measure at speaker output -65 dB XTLKSM Speaker to Microphone Crosstalk (2) D- = -6dBV, measure at D+ -65 dB AMATCH Matching of L & R Channels (2) Input = -26dBV, 20Hz to 20kHz 0.5 dB XTLKSPK Crosstalk Between L & R Channel (2) Input = -26dBV -65 dB Notes: 1. 100% tested at TA = 25°C. 2. Guaranteed by design and characterization. 3. Microphone path noise measured using psophometric weighting function (see Figure 4). 4. Speaker path noise measured using A-type weighting. |
Numéro de pièce similaire - FAN3800 |
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Description similaire - FAN3800 |
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