參數資料
型號: L6260
廠商: 意法半導體
英文描述: 4.5 - 5.5V DISK DRIVER SPINDLE & VCM, POWER & CONTROL COMBO’S
中文描述: 4.5 - 5.5V的磁盤驅動程序主軸
文件頁數: 7/30頁
文件大小: 305K
代理商: L6260
ELECTRICALCHARACTERISTICS
VCM Driver
Symbol
I
ocr
I
ofr
R
dson
ABEF
Parameter
Test Condition
Min.
Typ.
Max.
300
75
2.5
Units
mA
mA
Ohms
Max Current Coarse Range
Max Current Fine Range
Source & Sink On Resistance
Coarse
Sink On Resistance Fine Range
Current Sense Jump
Discontinuity
Current Sense Deadband
Current Sense Bias Current
DC Power Supply Rejection
Ratio
Current Loop Bandwidth
T
j
=125
°
C ,
I
load
= 300 mA
C, D VCM drive transistors
1.0
R
dson
CD
V
jump
5.0
10.0
1
Ohms
LSB
V
deadband
I
csbias
PSRR
200
1
μ
V
μ
A
dB
V
dd
4.5 to5.5 V
50
BW
La = 1mH Ra=40ohms
I
max
=75mA
20
KHz
VCM DAC
Symbol
R
es
Parameter
Test Condition
Unipolar
Min.
Typ.
11
Max.
Units
bits
Resolution 10 Bits Resistive
Ladder PlusSign (1 Bit)
Differential Non-Linearity
Integral Non - Linearity
Conversion Time 0 - 90 %
N.L.
I.N.L.
C
T
1
LSB
LSB
μ
s
3.0
1.0
From Input Of Last Bit (for any
change of code)
0 to 125
°
C
FSTC
Full ScaleTemperature
Coefficient
High Output Voltage
Low output Voltage
Power Supply Rejection
250
ppm/C
Voh
Vol
PSRR
25
°
C, No Load
25
°
C, No Load
0.240
0.250
0.260
100
V
μ
V
dB
50
+3
+2
+1
+1
+2
+3
-3
-2
-1
+1
+2
+3
Operational
Area
Nominal
Y(at) UNITS imax 1024
UNITS L.D.D.
JT
X(in) DAC
Register
Value
D94IN090
Figure 1:
Vjumpvs. Deadband
L6260
7/30
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