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PDF AK8138MV Data sheet ( Hoja de datos )
| Número de pieza | AK8138MV | |
| Descripción | Low Spurious Multiclock Generator | |
| Fabricantes | AKM | |
| Logotipo |  |
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AK8138MV
Low Spurious
Multiclock Generator with XO
AK8138MV
Features
27MHz Crystal Input or External Input
Four Frequency-Selectable Clock Outputs
One 27MHz-Reference Output
Selectable Clock out Frequencies:
- CLK1: 24.576MHz
- CLK2: 2.048,4.096,8.192,11.2896,12.288,
22.5792MHz
- CLK3: 6.144,8.192,11.2896,12.288,
16.9344,22.5792MHz
- CLK4: 8.4672,11.2896,13.824,
16.9344MHz
Built-in XO
Low Jitter Performance
- Period Jitter:
30 psec (Typ.) at CLK1-4
- Long Term Jitter:
60 psec (Typ.) at CLK1-4
Low Current Consumption:
18.0mA (Typ.) at 3.3V, S[3:0]=’HHHH’
Supply Voltage:
2.85V to 3.6V
Operating Temperature Range:
-40℃ to +85℃
Package:
16-pin SSOP (Lead free, Halogen free)
Description
The AK8138MV is a member of AKM’s low power
multi clock generator family designed for a high
quality audio cock with high performance C/N.
The AK8138MV generates different frequency
clocks from a 27MHz crystal oscillator or external
27MHz clock input. It provides them to up to four
outputs configured by pin-setting. Both circuitries
of XO and PLL in AK8138MV are derived from
AKM’s long-term-experienced clock device
technology, and enable clock output to perform low
jitter and to operate with very low current
consumption. The AK8138MV is available in a
16-pin SSOP package.
Applications
Personal Video Recorders
Set-Top-Boxes
Multi Media Receivers
Block Diagram
VDD
XIN
XOUT
Crystal
Oscillator
S0
S1
S2
S3
PLL1
PLL1
PLL2
Divide
Logic
and
Output
Control
CLK1
CLK2
CLK3
CLK4
REFOUT
GND
AK8138MV Multi Clock Generator
MS1211-E-01
-1-
May-11
1 page  
AK8138MV
Output clock frequency selection
The AK8138MV generates a range of low-jitter and high-accuracy clock frequencies with two built-in PLLs
and provides to up to four assigned outputs. A frequency selection at assigned output pin is configured by
pin-setting of S0 (Pin2), S1 (Pin3), S2(Pin4) and S3 (Pin14).
The selectable frequency is shown in Table1.
Sampling
Frequency
(kHz)
48.0
44.1
32.0
88.2
16/22.05
16/44.1
8/16
8/16
EXT1
EXT2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
S3
(Pin 14)
L
L
L
L
H
H
H
H
L
L
L
L
L
L
L
L
Selection Pin
S2 S1
(Pin 4)
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
(Pin 3)
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
S0
(Pin 2)
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
CLK1
(Pin 7)
24.576
24.576
24.576
24.576
24.576
24.576
24.576
24.576
24.576
24.576
OFF
OFF
OFF
OFF
OFF
OFF
Clock Output Frequency (MHz)
CLK2
256fs
(Pin 8)
CLK3
384fs
(Pin 10)
12.288
11.2896
8.192
22.5792
4.096
4.096
2.048
4.096
2.048
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
16.9344
12.288
OFF
11.2896
22.5792
6.144
11.2896
8.192
OFF
OFF
OFF
OFF
OFF
OFF
OFF
CLK4
(Pin 11)
OFF
OFF
OFF
OFF
8.4672
8.4672
16.9344
11.2896
13.824
13.824
OFF
OFF
OFF
OFF
OFF
OFF
Table 1: CLK1-4 Clock output Frequency
MS1211-E-01
-5-
May-11
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AK8138MV.PDF ] | |
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