ACS8510 Semtech, ACS8510 Datasheet - Page 17

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ACS8510

Manufacturer Part Number
ACS8510
Description
Manufacturer
Semtech
Datasheet

Specifications of ACS8510

Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6/5.5V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Package Type
LQFP
Mounting
Surface Mount
Pin Count
100
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ACS8510
Manufacturer:
TI
Quantity:
717
Part Number:
ACS8510REV2.1
Manufacturer:
INTEL
Quantity:
8
Part Number:
ACS8510REV2.1
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
Output Wander and Jitter
Output Wander and Jitter
Table 8. Output Reference Source Selection Table
Table 8. Output Reference Source Selection Table
Output Wander and Jitter
Output Wander and Jitter
Output Wander and Jitter
Wander and jitter present on the output clocks
are dependent on:
1. The magnitude of wander and jitter on the selected
input reference clock (in Locked mode)
2. The internal wander and jitter transfer characteristic
(in Locked mode)
3. The jitter on the local oscillator clock
4. The wander on the local oscillator clock (in Holdover
mode)
Table 8. Output Reference Source Selection Table
Table 8. Output Reference Source Selection Table
Table 8. Output Reference Source Selection Table
Revision 2.00/September 2003
ADVANCED COMMUNICATIONS
Note for Table 8.
Note for Table 8.
Note for Table 8.
Note for Table 8.
Note for Table 8.
Where 1.544 MHz/2.048 MHz is shown, 1.544 MHz is SONET, and 2.048 MHz is SDH. Pin SONSDHB controls the default
frequency output. Where the SONSDHB pin is High SONET is default, and when SONSDHB pin is Low SDH is default.
N
N
N
N
N
P
P
P
P t r
P
T
T
a
a
a
a
a
T
T
T
T
T
T
T
T
T
o
o
o
o
o
0
0
m
m
m
0
0
0
0
0
0
0
0
0
m
m
1
1
t r
t r
t r
t r
1
2
3
4
5
6
7
8
9
0
1
e
e
e
e
e
(
P (
O
O
O
O
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e T
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P
T
T
T
T
T
T
T
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u
u
u
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u
u
V
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L T
L T
L T
L T
L T
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L T
L T
L T
h c
h c
h c
h c
h c
C
p t
p t
p t
p t
p t
D
C
S
L
C /
C /
C /
C /
C /
S
A
C /
C /
C /
/ L
t u
t u
t u
t u
t u
n
n
n
n
n
d
d
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M
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o
o
o
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M
M
M
M
M
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M
M
M
f e
f e
I
o l
o l
o l
o l
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P
P
P
P
E
O
O
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O
O
O
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u a
D
o
o
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C
y g
y g
y g
y g
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S
S
S
S
S
S
S
S
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t r
t r
t r
t r
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Semtech Corp.
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3 .
4 .
3 .
1
4 .
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4
8
4
4
4
0 .
6
4
4
5
4
4
5
4
4
8
n y
M
, c
k
2
2
4
M
M
M
M
M
M
M
M
H
z H
, c
8
M
M
M
H
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z H
z H
H
z H
z H
z H
H
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k
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3 .
H
H
c o
Wander and jitter are treated in different ways
to reflect their differing impacts on network
design. Jitter is always strongly attenuated,
whilst wander attenuation can be varied to suit
the application and operating state. Wander and
jitter attenuation is performed using a digital
phase locked loop (DPLL) with a programmable
bandwidth. This gives a transfer characteristic
of a low pass filter, with a programmable pole.
It is sometimes necessary to change the filter
dynamics to suit particular circumstances - one
example being when locking to a new source,
0
8 .
3
3
3
5
, z
, z
5
5 :
F
F
F
F
F
, k
0 .
0 .
0 .
0
4
2
e r
e r
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2
1
0
5 :
ACS8510 Rev2.1 SETS
8
8
8
M
6
M
5
9
q
q
q
q
q
8
8
8
0
M
4
9 .
4 .
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4
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n
n
n
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n
n
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z H
M
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6
7
4 /
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H
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+
3 .
7 .
s e
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6
8
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3
3
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9
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6
6
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8 .
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p
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M
M
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H
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r o
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1
M
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1 .
1 .
1 .
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4
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l u
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8 /
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1 .
1 .
1 .
www.semtech.com
1
9 .
5
8 .
9
9
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5
2
5 .
2
2
2
4
M
2
M
M
M
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FINAL
H
H
M
z H
H
, z
, z
H
, z
, z

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