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LM4935RLEVAL Datasheet(PDF) 12 Page - Texas Instruments |
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LM4935RLEVAL Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 91 page  LM4935, LM4935RLEVAL SNAS296D – OCTOBER 2005 – REVISED MARCH 2006 www.ti.com Electrical Characteristics(1)(2)(3) (continued) Unless otherwise stated PLL_VDD = 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 2-2 unless otherwise stated. Limits apply for 25°C. LM4935 Symbol Parameter Conditions Units Typical(4) Limit(5) DCI2S_CLK I2S_CLK Duty Cycle Min 40 % (min) Max 60 % (max) DCI2S_WS I2S_WS Duty Cycle 50 % I2C TI2CSET I2C Data Setup Time Refer to Section 4.1.5 for more details 100 ns (min) TI2CHOLD I2C Data Hold Time Refer to Section 4.1.5 for more details 300 ns (min) SPI TSPISETENB Enable Setup Time 100 ns (min) TSPIHOLD-ENB Enable Hold Time 100 ns (min) TSPISETD Data Setup Time 100 ns (min) TSPIHOLDD Data Hold Time 100 ns (min) TSPICL Clock Low Time 500 ns (min) TSPICH Clock High Time 500 ns (min) VOLUME CONTROL Minimum Gain w/ AUX_BOOST OFF –46.5 dB Maximum Gain w/ AUX_BOOST OFF 0 dB VCRAUX AUX Volume Control Range Minimum Gain w/ AUX_BOOST ON –34.5 dB Maximum Gain w/ AUX_BOOST ON 12 dB Minimum Gain w/ DAC_BOOST OFF –46.5 dB Maximum Gain w/ DAC_BOOST OFF 0 dB VCRDAC DAC Volume Control Range Minimum Gain w/ DAC_BOOST ON –34.5 dB Maximum Gain w/ DAC_BOOST ON 12 dB Minimum Gain –34.5 dB VCRCPIN CPIN Volume Control Range Maximum Gain 12 dB Minimum Gain 6 dB VCRMIC MIC Volume Control Range Maximum Gain 36 dB Minimum Gain –30 dB VCRSIDE SIDETONE Volume Control Range Maximum Gain 0 dB SSAUX AUX VCR Stepsize 1.5 dB SSDAC DAC VCR Stepsize 1.5 dB SSCPIN CPIN VCR Stepsize 1.5 dB SSMIC MIC VCR Stepsize 2 dB SSSIDE SIDETONE VCR Stepsize 3 dB AUDIO PATH GAIN W/ STEREO (bit 6 of 0x00h) ENABLED (AUX_L & AUX_R signals identical and selected onto mixer) Minimum Gain from AUX input, –34.5 dB BOOST OFF Maximum Gain from AUX input, 12 dB Loudspeaker Audio Path Gain BOOST OFF Minimum Gain from CPI input –22.5 dB Maximum Gain from CPI input 24 dB 12 Electric Specifications Copyright © 2005–2006, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: LM4935 LM4935RLEVAL |
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