User's Manual

USB
8k – 48K,
ECU (TX)
“11K”
“14.8k”
“22k”
“29.6k”
“44k”
Slave: 44.1K-96K
ECU (TX)
“11K”
“14.8k”
“22k”
“29.6k”
“44k”
16bit, >93dB dependent on the
lower of the input or
output rates.
Output BW vs OTA
“11k” = 5kHz
“14.8k” = 6.5kHz
“22k” = 10kHz
“29.6k” = 13kHz
“44k” = 20kHz
SRC 2
(Voice)
I2S
32-96K
USB
8k – 48K,
ECU (TX)
“14.8k”
I2S
Master: 48k
Slave: 44.1K-96K
USB
8k – 48K,
ECU (RX)
“14.8k”
All rates support
16bit, >93dB, but the
OTA 12bit path will
limit SNR to 72dB
Actual bandwidth is
dependent on the
lower of the input or
output rates.
Output BW vs OTA
“11k” = 5kHz
“14.8k” = 6.5kHz
“22k” = 10kHz
“29.6k” = 13kHz
“44k” = 20kHz
6.9 I
2
S Communication Interface Timing
Table 2: SWA51 I2S Timing
MIN TYP MAX UNIT NOTES
V
L
low voltage level -0.3V 0.0V 0.4V V
V
H
high voltage level 2.4V 3.3V 3.6V V
T clock period 325.5n s 1/3.072MHz
T
Lo
clock low period 0.4T 0.6T
T
Hi
clock high period 0.4T 0.6T
T
R
rise time 50n s Note 1
T
F
fall time 50n s Note 1
T
Su
setup time 25n s
T
Hd
hold time 25n s
T
Od
output delay -25n 25n s
bit clocks/word clock 64