Datasheet

PCM3168A
PCM3168A-Q1
SBAS452 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
ATDAx Decimal Attenuation level setting
value
1111 1111 255 0 dB, no attenuation (default)
1111 1110 254 – 0.5 dB
1111 1101 253 – 1.0 dB
... ... ...
1000 0001 129 – 63.0 dB
1000 0000 128 – 63.5 dB
0111 1111 127 – 64 dB
... ... ...
0011 1000 56 – 99.5 dB
0011 0111 55 – 100 dB
0011 0110 54 Mute
... ... ...
0000 0000 0 Mute
DEC HEX B7 B6 B5 B4 B3 B2 B1 B0
80 50 — — — — — — SRAD1 SRAD0
SRAD[1:0] ADC Sampling mode select
These bits control the sampling mode of ADC operation. In Auto mode, the sampling mode is
automatically set according to multiples between system clock and sampling clock, single rate for
512 f
S
and 768 f
S
, and dual rate for 256 f
S
and 384 fS.
Default value: 00.
SRAD ADC Sampling mode select
00 Auto (default)
01 Single rate
10 Dual rate
11 Reserved
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