參數(shù)資料
型號: L6000
廠商: 意法半導(dǎo)體
英文描述: SINGLE CHIP READ & WRITE CHANNEL
中文描述: 單芯片讀
文件頁數(shù): 11/24頁
文件大小: 279K
代理商: L6000
PULSE DETECTOR AND SERVO DEMODULATOR CHARACTERISTICS
(continued)
Symbol
Id
ILKG
ILKG
K4
Parameter
Test Condition
Min.
0.8
450
Typ.
1.5
640
Max.
2.2
±
0.5
±
0.2
880
Unit
mA
μ
A
μ
A
μ
A/Vpp
HOLD CAP A/B Disch. Current
HOLD CAP A/B Leakage Cur.
SERVO BYP PinLeakage Cur.
SERVO BYP Pin
Charge/Discharge Current
Absolute value
HOLDS = Low
K5
Ibyps = K4
[K5 -
DATAPATH
App
DATAPATH
Bpp
]
0.70
1.00
1.30
V/V
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
190
300
490
μ
A
Tper
CL
15pF
50
ns
T1
RDIO
0.8V
9
23
33
ns
Th
RDIO
0.8V
29
ns
Tf
CL
15pF, 2.0V to 0.8V
5
ns
Tr
CL
15pF, 0.8V to 2.0V
8
ns
PROGRAMMABLE FILTER CHARACTERISTICS
Symbol
Test Conditions:
Vccn = 5V + 10% -14%, T
amb
= 0to 70
°
C, T
j
= 25 to 125
°
C, unless otherwise specified.
The input signals are AC coupled to FILTER and FILTER IN.C
22nF.
FC
Filter Cutoff Frequency,
f at -3dB point
42
FCDAC
127, FCDAC is
value of frequency DAC
FCA
Filter fc Accuracy
FCDAC = 127
AN
FILTNORM OUTDifferential Gain
f = 0.67FC, FBDAC = 0
AD
FILT DIFF OUT Differential Gain
FB
Frequency Boost @ FC
FB (dB) = 20log [0.0273
(FBDAC)+1], 0
FBDAC
127
FBDAC = 127
@6dB; FBDAC= 36
@13dB; FBDAC = 127
TGDO
Group Delay Variation without
Boost
f = 0.2FC to FC FBDAC = 0
FC = 6MHz to 18MHz,
FBDAC = 0, f = FC to 1.75FC
TGDB
Group Delay Variation with
Maximum Boost
f = 0.2 FC to FC, FBDAC = 127
FC = 6MHz to 18MHz,
FBDAC = 127, f = FC to 1.75FC
VIF
Filter Differential Input Dynamic
Range
FBDAC = 0
THD = 2% max, f = 0.67FC,
FBDAC = 0
RIN
Filter Diff. Input resistance
RIZ
Filter Diff. Input Resistance with
Shorted Inputs
CIN
Filter Diff. Input Capacitance
Parameter
Test Condition
Min.
Typ.
Max.
Unit
FC = 0.141732MHz *FCDAC,
6
18
MHz
– 10
1.6
0.9AN
2
13
+10
2.4
1.1AN
%
V/V
V/V
dB
– 0.75
–2.0
– 3
+ 0.75
+2.0
+ 3
dB
dB
%
(2)
%
(2)
%
(2)
%
(2)
Vpp
FC = 6MHz to 18MHz,
– 4
+ 4
FC = 6 to 18MHz,
– 3
+3
– 4
+4
THD = 1% max, f = 0.67FC,
0.5
0.75
Vpp
5.0
100
K
Low – Z mode
300
500
7
pF
(2) Test limitsunder evaluation.
L6000
11/24
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