PCM3793A_16 Datasheet, PDF (24/70 Pages) Texas Instruments – Low-Power Stereo Audio CODEC

PCM3793A
PCM3794A
SLAS529A – JANUARY 2007 – REVISED FEBRUARY 2007
www.ti.com
LRCK
BCK
DIN
DOUT
t_w(BCH)
t_w(BCL)
t_(BCY)
t_(DS)
t_(BL)
t_(LB)
t_(DH)
t_(CKDO)
t_(BCY)
t_w(BCH)
t_w(BCL)
t_(BL)
t_(LB)
t_(DS)
t_(DH)
t_(CKDO)
t_(LRDO)
t_r
t_f
PARAMETERS
BCK pulse cycle time (I²S, left- and right-justified formats)
BCK pulse cycle time (DSP format)
BCK high-level time
BCK low-level time
BCK rising edge to LRCK edge
LRCK edge to BCK rising edge
DIN set up time
DIN hold time
DOUT delay time from BCK falling edge
DOUT delay time from LRCK falling edge
Rising time of all signals
Falling time of all signals
(1) f_S is the sampling frequency.
Figure 27. Audio Interface Timing (Slave Mode)
50% of V_IO
50% of V_IO
50% of V_IO
t_(LRDO)
50% of V_IO
MIN
1/(64 f_S)⁽¹⁾
1/(256 f_S)⁽¹⁾
35
35
10
10
10
10
T0010-09
MAX UNITS
ns
ns
ns
ns
ns
ns
15 ns
15 ns
10 ns
10 ns
24
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