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TAS3208IPZP Scheda tecnica(PDF) 46 Page - Texas Instruments |
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TAS3208IPZP Scheda tecnica(HTML) 46 Page - Texas Instruments |
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46 / 79 page  TAS3208 SLES201E – JANUARY 2007 – REVISED MARCH 2011 www.ti.com TIMING REQUIREMENTS – RESET control signal parameters over recommended operating conditions (unless otherwise noted) (see Figure 35) MIN TYP MAX UNIT trDMSTATE Time to outputs inactive 100 µs twRESET Pulse duration, RESET active 200 ns trEMSTATE Time to enable I2C <50 ms TIMING REQUIREMENTS – SERIAL AUDIO PORT SLAVE MODE over recommended operating conditions (unless otherwise noted) (see Figure 36) MIN TYP MAX UNIT fLRCLK Frequency, LRCLKIN (FS) 32 48 kHz twSCLKIN Pulse duration, SCLKIN high(1) 0.4 × tcyc 0.6 × tcyc ns fSCLKIN Frequency, SCLKIN 64 Fs MHz tcyc Cycle time, SCLKIN(1) 1/64 Fs ns tpd1 Propagation delay, SCLKIN falling edge to SDOUT 16 ns tsu1 Setup time, LRCLK to SCLKIN rising edge 10 ns th1 Hold time, LRCLK from SCLKIN rising edge 5 ns tsu2 Setup time, SDIN to SCLKIN rising edge 10 ns th2 Hold time, SDIN from SCLKIN rising edge 5 ns Propagation delay, SCLKIN falling edge to SCLKOUT tpd2 SCLKOUT = SCLKIN 15 ns falling edge (1) tcyc = 1/ fSCLKIN TIMING REQUIREMENTS – SERIAL AUDIO PORT MASTER MODE over recommended operating conditions (unless otherwise noted) (see Figure 37) MIN TYP MAX UNIT fLRCLK Frequency, LRCLKOUT 48 kHz trLRCLK Rise time, LRCLKOUT CL = 30 pF 12 ns tfLRCLK Fall time, LRCLKOUT CL = 30 pF 12 ns fSCLKOUT Frequency, SCLKOUT(1) 64 Fs MHz trSCLKOUT Rise time, SCLKOUT CL = 30 pF 12 ns tfSCLKOUT Fall time, SCLKOUT CL = 30 pF 12 ns tpd1 Propagation delay, SCLKOUT falling edge to LRCLKOUT edge 5 ns tpd2 Propagation delay, SCLKOUT falling edge to SDOUT1 –2 5 ns tsu Setup time, SDIN to SCLKOUT rising edge 25 ns th Hold time, SDIN from SCLKOUT rising edge 30 ns (1) Typical duty cycle is 50/50. TIMING CHARACTERISTICS – SPDIF INTERFACE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Fs Encoded data sampling rate 32 48 kHz Rspdif SPDIF signal bit rate 128 Fs MHz UI Unit interval 1/Rspdif ns TLO/THI Low/high periods 1 UI 3 UI ns VOH High-level output voltage 3.3-V TTL, IOH = –4 mA 2.4 V VOL Low-level output voltage 3.3-V TTL, IOL = 4 mA 0.5 V 46 Submit Documentation Feedback Copyright © 2007–2011, Texas Instruments Incorporated Product Folder Link(s): TAS3208 |
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