參數(shù)資料
型號(hào)： P32P4911A
廠商： NXP SEMICONDUCTORS
元件分類： 光電元器件
英文描述： PRML Read Channel with PR4, 8/9 ENDEC, FWR Servo
中文描述： 1 CHANNEL READ CHANNEL, PQFP100
封裝： 14 X 14 X 1.40 MM, PLASTIC, LQFP-100
文件頁(yè)數(shù)： 54/63頁(yè)
文件大?。?/td> 257K
代理商： P32P4911A
1996 Jul 25
54
Philips Semiconductors
Product specification
PRML Read Channel with PR4,
8/9 ENDEC, FWR Servo
P32P4911A
Time Base Generator Characteristics
RR = 10.0 k
to GND for 125 Mbit/s max. operation, and 12.1 k
for 100 Mbit/s max. operation
Symbol
Parameter
Test Conditions
Min.
Nom.
Max.
Unit
FREF input range
Control Operating Register
BT bit = 0
Control Operating Register
BT bit = 1 and
Control Test Register
EFR bit =1
Control Operating Register
BT bit = 0
Control Operating Register
BT bit = 1 and
Control Test Register
EFR bit =1
6
25
MHz
141
MHz
FREF input pulse width
10
ns
3
ns
F
TBG
frequency range
F
TBG
jitter
M counter range
N counter range
VCO center frequency
47
141
200
255
127
1.20 * F
TBG
MHz
ps
RMS
> 10K samples
30
2
2
0.80 * F
TBG
F
TBG
FLTR1+ - FLTR1- = 0V
F
=[(1.143 * DR) + 4.986]
MHz
RR = 10.0 k
-2.0V < FLTR1+ - FLTR1-
< +2.0V
F
TBG
= 80 MHz
ω
i =2
π
* F
-2.0V < FLTR1+ - FLTR1-
< 2.0V
KD = (2.088 * DR) + 3.442
RR = 10 k
MHz
VCO dynamic range
+25
%
KVCO
VCO control gain
0.12 *
ω
i
0.18*
ω
i
0.24 *
ω
i
rad/(V.s)
KD
Phase detector gain
0.72 * KD
1.22 * KD
μ
A/rad
KVCO * KD product
accuracy
-28
+28
%
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