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LM4935 Datasheet(PDF) 11 Page - National Semiconductor (TI) |
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LM4935 Datasheet(HTML) 11 Page - National Semiconductor (TI) |
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11 / 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) STEREO DAC R DAC DAC Ripple 0.1 dB PB DAC DAC Passband 20 kHz SBA DAC DAC Stopband Attenuation 70 dB SNR DAC DAC Signal to Noise Ratio A-weighted, AUXOUT 88 dB DR DAC DAC Dynamic Range 96 dB DAC LEVEL DAC Full Scale Output Level 1 V RMS PLL F IN Input Frequency Range Min 0.5 MHz Max 30 MHz I2S/PCM f I2SCLK I2S CLK Frequency f S = 48kHz; 16 bit mode 1.536 MHz f S = 48kHz; 25 bit mode 2.4 MHz f S = 8kHz; 16 bit mode 0.256 MHz f S = 8kHz; 25 bit mode 0.4 MHz f PCMCLK PCM CLK Frequency f S = 48kHz; 16 bit mode 0.768 MHz f S = 48kHz; 25 bit mode 1.2 MHz f S = 8kHz; 16 bit mode 0.128 MHz f S = 8kHz; 25 bit mode 0.2 MHz DC I2S_CLK I2S_CLK Duty Cycle Min 40 % (min) Max 60 % (max) DC I2S_WS I2S_WS Duty Cycle 50 % I2C T I2CSET I2C Data Setup Time Refer to Pg. 18 for more details 100 ns (min) T I2CHOLD I2C Data Hold Time Refer to Pg. 18 for more details 300 ns (min) SPI T SPISETENB Enable Setup Time 100 ns (min) T SPIHOLD-ENB Enable Hold Time 100 ns (min) T SPISETD Data Setup Time 100 ns (min) T SPIHOLDD Data Hold Time 100 ns (min) T SPICL Clock Low Time 500 ns (min) T SPICH Clock High Time 500 ns (min) VOLUME CONTROL VCR AUX AUX Volume Control Range Minimum Gain w/ AUX_BOOST OFF –46.5 dB Maximum Gain w/ AUX_BOOST OFF 0dB Minimum Gain w/ AUX_BOOST ON –34.5 dB Maximum Gain w/ AUX_BOOST ON 12 dB VCR DAC DAC Volume Control Range Minimum Gain w/ DAC_BOOST OFF –46.5 dB Maximum Gain w/ DAC_BOOST OFF 0dB Minimum Gain w/ DAC_BOOST ON –34.5 dB Maximum Gain w/ DAC_BOOST ON 12 dB VCR CPIN CPIN Volume Control Range Minimum Gain –34.5 dB Maximum Gain 12 dB www.national.com 11 |
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