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)： 58/63頁(yè)
文件大?。?/td> 257K
代理商： P32P4911A
1996 Jul 25
58
Philips Semiconductors
Product specification
PRML Read Channel with PR4,
8/9 ENDEC, FWR Servo
P32P4911A
Servo Characteristics
Unless otherwise specified input is 10 MHz sine wave into DP/DN inputs, TPC/D1-0 = 01.
Symbol
Parameter
Data Synchronizer PLL
Symbol
Parameter
Test Conditions
Min.
Nom.
Max.
Unit
FVCO
VCO center frequency FLTR2+ - FLTR2- = 0V
FVCO = [(1.115 * DR) + 3.576] MHz
RR = 10.0 k
-2.0V < FLTR2+ - FLTR2- <
+2.0V
ω
i =2
π
/FVCO
M = 4.32 * (DR/127)
RR = 10.0 k
-0.25V< FLTR2+ - FLTR2-< +0.25V
Gm = 350
μ
A/V
during synchronization
KDI = 0.15 Gm * M
RR = 10.0 k
0.8 * FVCO
1.2 * FVCO
ns
VCO dynamic range in
each direction
VCO control gain and
M, M * KVCO
+25
%
0.11 *
ω
i * M
0.29 *
ω
i * M rad/(V-S)
Charge Pump
Transconductance
Idle Mode Phase
Detector Gain
Gm * M * KVCO
product accuracy
A * KVCO product
accuracy
0.6 * Gm
1.4 * Gm
A/V
KDI
KDI
μ
A/rad
-28
+28
%
A= 0.8 * (DRC/127)
-30
+30
%
Test Conditions
Min.
Nom.
Max.
Unit
MAXREF output voltage
SERVO GAIN,
(SEROUT - SREF)
I
SOURCE
= 0 mA
Fin = 10 MHz, SG = 1,
Input signal at TPC/TPC of
0.7 and 1.4 Vp-pd
SG = 0
3.06
0.5
3.28
0.6
3.48
0.7
V
V/Vp-pd
200 mV REFERENCE,
Change in SEROUT when
SELVRC is toggled
SEROUT OFFSET,
(SEROUT - SREF)
SREF OUTPUT VOLTAGE
195
215
235
mV
SG = 0, SELVRC = 1
0
15
55
mV
Load current = 1 mA,
T = junction temperature in
deg C
SDIEN = 0, SEROUT =
VPA - 2.3V
SDIEN = 0, SEROUT =
VPA - 2.3V
VPA - 3.2
+ 2 mV*T
V
SEROUT PULL DOWN
CURRENT
SREF PULL DOWN
CURRENT
435
μ
A
445
μ
A
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