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L6000 数据表(PDF) 11 Page - STMicroelectronics

部件名 L6000
功能描述  SINGLE CHIP READ & WRITE CHANNEL
PDF  24 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6000 数据表(HTML) 11 Page - STMicroelectronics

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PULSE DETECTOR AND SERVO DEMODULATOR CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Id
HOLD CAP A/B Disch. Current
Absolute value
0.8
1.5
2.2
mA
ILKG
HOLD CAP A/B Leakage Cur.
–
–
±0.5
µA
ILKG
SERVO BYP Pin Leakage Cur.
HOLDS = Low
–
–
±0.2
µA
K4
SERVO BYP Pin
Charge/Discharge Current
450
640
880
µA/Vpp
K5
Ibyps = K4
⋅ [K5 -
DATAPATHApp –
DATAPATHBpp]
0.70
1.00
1.30
V/V
Maximum SERVO BYP Pin
Charge Current
190
300
490
µA
Tper
READ DATA I/O Output Pulse
Period
CL
≤ 15pF
50
–
–
ns
T1
READ DATA I/O Output Pulse
Low Time
RDIO
≤ 0.8V
9
23
33
ns
Th
READ DATA I/O Output Pulse
High Time
RDIO
≥ 0.8V
29
–
–
ns
Tf
READ DATA I/O Output Pulse
Fail Time
CL
≤ 15pF, 2.0V to 0.8V
–
–
5
ns
Tr
READ DATA I/O Output Pulse
Rise Time
CL
≤ 15pF, 0.8V to 2.0V
–
–
8
ns
PROGRAMMABLE FILTER CHARACTERISTICS
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Test Condition s: Vccn = 5V + 10% - 14%, Tamb = 0 to 70
°C, Tj = 25 to 125°C, unless otherwise specified.
The input signals are AC coupled to FILTER and FIL TER IN. C
≥ 22nF.
FC
Filter Cutoff Frequency,
f at -3dB point
FC = 0.141732MHz *FCDAC,
42
≤ FCDAC ≤ 127, FCDAC is
value of frequency DAC
6
–
18
MHz
FCA
Filter fc Accuracy
FCDAC = 127
– 10
–
+10
%
AN
FILT NORM OUT Differential Gain
f = 0.67FC, FBDAC = 0
1.6
2
2.4
V/V
AD
FILT DIFF OUT Differential Gain
0.9AN
–
1.1AN
V/V
FB
Frequency Boost @ FC
FB (dB) = 20log [0.0273
(FBDAC)+1], 0
≤ FBDAC ≤ 127
FBDAC = 127
–13
–
dB
@6dB; FBDAC = 36
@13dB; FBDAC = 127
– 0.75
–2.0
–
+ 0.75
+2.0
dB
dB
TGDO
Group Delay Variation without
Boost
FC = 6MHz to 18MHz,
f = 0.2FC to FC FBDAC = 0
–3
–
+ 3
%
(2)
FC = 6MHz to 18MHz,
FBDAC = 0, f = FC to 1.75FC
–4
–
+ 4
%
(2)
TGDB
Group Delay Variation with
Maximum Boost
FC = 6 to 18MHz,
f = 0.2 FC to FC, FBDAC = 127
–3
–
+3
%
(2)
FC = 6MHz to 18MHz,
FBDAC = 127, f = FC to 1.75FC
–4
–
+4
%
(2)
VIF
Filter Differential Input Dynamic
Range
THD = 1% max, f = 0.67FC,
FBDAC = 0
0.5
–
–
Vpp
THD = 2% max, f = 0.67FC,
FBDAC = 0
0.75
–
–
Vpp
RIN
Filter Diff. Input resistance
5.0
–
–
K
Ω
RIZ
Filter Diff. Input Resistance with
Shorted Inputs
Low – Z mode
100
300
500
Ω
CIN
Filter Diff. Input Capacitance
–
–
7
pF
(2) Test limits under evaluation.
L6000
11/24



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