L6000 ST Microelectronics, Inc., L6000 Datasheet - Page 11

• Manufacturer Part Number: L6000
• Description: Single Chip Read & Write Channel
• Manufacturer: ST Microelectronics, Inc.

PULSE DETECTOR AND SERVO DEMODULATOR CHARACTERISTICS (continued)
PROGRAMMABLE FILTER CHARACTERISTICS
(2) Test limits under evaluation.
Test Conditions: Vccn = 5V + 10% - 14%, T
The input signals are AC coupled to FILTER and FILTER IN. C
Symbol
Symbol
TGDO
TGDB
ILKG
ILKG
Tper
FCA
RIN
CIN
VIF
RIZ
FC
AN
AD
K4
K5
T1
Th
FB
Tr
Id
Tf
HOLD CAP A/B Disch. Current
HOLD CAP A/B Leakage Cur.
SERVO BYP Pin Leakage Cur.
SERVO BYP Pin
Charge/Discharge Current
Maximum SERVO BYP Pin
Charge Current
READ DATA I/O Output Pulse
Period
READ DATA I/O Output Pulse
Low Time
READ DATA I/O Output Pulse
High Time
READ DATA I/O Output Pulse
Fail Time
READ DATA I/O Output Pulse
Rise Time
Filter Cutoff Frequency,
f at -3dB point
Filter fc Accuracy
FILT NORM OUT Differential Gain
FILT DIFF OUT Differential Gain
Frequency Boost @ FC
Group Delay Variation without
Boost
Group Delay Variation with
Maximum Boost
Filter Differential Input Dynamic
Range
Filter Diff. Input resistance
Filter Diff. Input Resistance with
Shorted Inputs
Filter Diff. Input Capacitance
Parameter
Parameter
amb
Absolute value
HOLDS = Low
Ibyps = K4 [K5 -
DATAPATH
DATAPATH
CL
RDIO
RDIO
CL
CL
FC = 0.141732MHz *FCDAC,
42
value of frequency DAC
FCDAC = 127
f = 0.67FC, FBDAC = 0
FB (dB) = 20log [0.0273
(FBDAC)+1], 0
FBDAC = 127
@6dB; FBDAC = 36
@13dB; FBDAC = 127
FC = 6MHz to 18MHz,
f = 0.2FC to FC FBDAC = 0
FC = 6MHz to 18MHz,
FBDAC = 0, f = FC to 1.75FC
FC = 6 to 18MHz,
f = 0.2 FC to FC, FBDAC = 127
FC = 6MHz to 18MHz,
FBDAC = 127, f = FC to 1.75FC
THD = 1% max, f = 0.67FC,
FBDAC = 0
THD = 2% max, f = 0.67FC,
FBDAC = 0
Low – Z mode
= 0 to 70 C, T
FCDAC
15pF
15pF, 2.0V to 0.8V
15pF, 0.8V to 2.0V
Test Condition
Test Condition
0.8V
0.8V
App
Bpp
j
]
= 25 to 125 C, unless otherwise specified.
127, FCDAC is
–
22nF.
FBDAC
127
0.9AN
– 0.75
Min.
0.70
Min.
– 10
–2.0
0.75
450
190
100
0.8
1.6
– 3
– 4
– 3
– 4
0.5
5.0
50
29
9
–
6
–
–
–
–
–
Typ.
Typ.
1.00
640
300
300
1.5
23
13
–
–
–
–
–
–
–
–
–
–
–
–
–
–
2
–
–
–
–
1.1AN
+ 0.75
Max.
Max.
1.30
+2.0
880
490
+10
500
+ 3
+ 4
2.2
2.4
33
18
+3
+4
0.5
0.2
–
–
5
8
–
–
–
–
7
L6000
A/Vpp
MHz
Unit
Unit
Vpp
Vpp
V/V
V/V
V/V
mA
K
dB
dB
dB
pF
ns
ns
ns
ns
ns
%
%
%
%
%
(2)
(2)
(2)
(2)
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A
A
A