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參數(shù)資料
| 型號： | L6260 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁數(shù)： | 28/30頁 |
| 文件大?。?/td> | 440K |
| 代理商： | L6260 |
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ELECTRICAL CHARACTERISTICS
VCM Driver
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Units
Iocr
Max Current Coarse Range
300
mA
Iofr
Max Current Fine Range
75
mA
Rdson ABEF
Source & Sink On Resistance
Coarse
Tj =125
°C ,
Iload = 300 mA
1.0
2.5
Ohms
Rdson CD
Sink On Resistance Fine Range
C, D VCM drive transistors
5.0
10.0
Ohms
Vjump
Current Sense Jump
Discontinuity
1LSB
Vdeadband
Current Sense Deadband
200
V
Icsbias
Current Sense Bias Current
1
A
PSRR
DC Power Supply Rejection
Ratio
Vdd 4.5 to 5.5 V
50
dB
BW
Current Loop Bandwidth
La = 1mH Ra=40ohms
Imax =75mA
20
KHz
VCM DAC
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Units
Res
Resolution 10 Bits Resistive
Ladder Plus Sign (1 Bit)
Unipolar
11
bits
N.L.
Differential Non-Linearity
1
LSB
I.N.L.
Integral Non - Linearity
3.0
LSB
CT
Conversion Time 0 - 90 %
From Input Of Last Bit (for any
change of code)
1.0
s
FSTC
Full Scale Temperature
Coefficient
0 to 125
°C
250
ppm/C
Voh
High Output Voltage
25
°C, No Load
0.240
0.250
0.260
V
Vol
Low output Voltage
25
°C, No Load
100
V
PSRR
Power Supply Rejection
50
dB
+3
+2
+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: Vjump vs. Deadband
L6260
7/30
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