Datasheet

3−50
Dither Block
S Slave Addr Ack Subaddr Distribution 1 MixAck Ack Ack Ack Ackxxxxxxxx xxxxxxx
l
s
b
xxxxxxxx
m
s
b
xxx0000
Distribution 2 Mix
Ack Ack Ack Ackxxxxxxxx xxxxxxx
l
s
b
xxxxxxxx
m
s
b
xxx0000
LFSR1 Mix and LFSR2 Mix Are 5.23-Format Coefficients
S Slave Addr Ack Subaddr Dither SeedAck Ack Ack Ack Ackxxxxxx
l
s
b
0000000000000000
m
s
b
xxxxxx
l
s
b
m
s
b
0xC6
0xC7
Condensed
LFSR2
Seed
Condensed
LFSR1
Seed
Linear Feedback Shift Register Block
Dither 1
Dither 2
Dither 3
LFSR1
LFSR2
Seed Build Logic
L
− W 0 +W
0.25
0.5
p
Output
Sampler
S
t
1
S
t2
S
t3
S
t4
S
t5
S
t6
O
G
I
C
Σ
Σ
Σ
S Slave Addr Ack Subaddr Ack Ack Ack Ack Ackxxxxxxxx xxxxxxx
l
s
b
xxxxxxxx
m
s
b
xxx0000
0x81
S Slave Addr Ack Subaddr Ack Ack Ack Ack Ackxxxxxxxx xxxxxxx
l
s
b
xxxxxxxx
m
s
b
xxx0000
0x80
S Slave Addr Ack Subaddr Ack Ack Ack Ack Ackxxxxxxxx xxxxxxx
l
s
b
xxxxxxxx
m
s
b
xxx0000
0x7F
NOTE: W = 16 → 0x0000 0800 0000 in 25.23 Format
Figure 3−31. Dither Data Block Diagram