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LM4935 датащи(PDF) 13 Page - National Semiconductor (TI) |
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LM4935 датащи(HTML) 13 Page - National Semiconductor (TI) |
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13 / 112 page ![]() 10.0 Electrical Characteristics (Notes 1, 2) Unless otherwise stated PLL_V DD = 3.3V, D_VDD = 3.3V, BB_VDD = 1.8V, A_VDD = 3.3V, LS_VDD = 3.3V. The following specifications apply for the circuit shown in Figure 2 unless otherwise stated. Limits apply for 25˚C. (Continued) Symbol Parameter Conditions LM4935 Units Typical (Note 6) Limit (Note 7) AUDIO PATH GAIN W/ STEREO (bit 6 of 0x00h) ENABLED (AUX_L & AUX_R signals identical and selected onto mixer) Loudspeaker Audio Path Gain Minimum Gain from AUX input, BOOST OFF –34.5 dB Maximum Gain from AUX input, BOOST OFF 12 dB Minimum Gain from CPI input –22.5 dB Maximum Gain from CPI input 24 dB Headphone Audio Path Gain Minimum Gain from AUX input, BOOST OFF –52.5 dB Maximum Gain from AUX input, BOOST OFF –6 dB Minimum Gain from CPI input –40.5 dB Maximum Gain from CPI input 6 dB Minimum Gain from MIC input using SIDETONE path w/ VCR MIC gain = 6dB –30 dB Maximum Gain from MIC input using SIDETONE path w/ VCR MIC gain = 6dB 0dB Earpiece Audio Path Gain Minimum Gain from AUX input, BOOST OFF –40.5 dB Maximum Gain from AUX input, BOOST OFF 6dB Minimum Gain from CPI input –28.5 dB Maximum Gain from CPI input 18 dB Minimum Gain from MIC input using SIDETONE path w/ VCR MIC gain = 6dB –18 dB Maximum Gain from MIC input using SIDETONE path w/ VCR MIC gain = 6dB 12 dB AUXOUT Audio Path Gain Minimum Gain from AUX input, BOOST OFF –46.5 dB Maximum Gain from AUX input, BOOST OFF 0dB Minimum Gain from CPI input –34.5 dB Maximum Gain from CPI input 12 dB CPOUT Audio Path Gain Minimum Gain from AUX input, BOOST OFF –46.5 dB Maximum Gain from AUX input, BOOST OFF 0dB Minimum Gain from MIC input 6 dB Maximum Gain from MIC input 36 dB www.national.com 13 |
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