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參數(shù)資料
| 型號： | LB1817W |
| 元件分類： | 運動控制電子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PQFP48 |
| 封裝： | SQFP-48 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 224K |
| 代理商： | LB1817W |
LB1817W
No. 5805-2/9
Electrical Characteristics at Ta = 25
°C, VCC = 5V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
ICCO
S/S = 5V (Standby)
70
100
A
ICC
S/S = 0V (Normal)
25
35
mA
MS1 bias current
IMS1VMS1 = 5V
180
270
A
MS1 Low input voltage
VMS1L
0.0
0.8
V
MS1 High input voltage
VMS1H
2
VCC
V
MS2 bias current
IMS2VMS2 = 5V
90
135
A
MS2 Low input voltage
VMS2L
0.0
0.8
V
MS2 High input voltage
VMS2H
2
VCC
V
MS3 bias current
IMS3VMS3 = 5V
90
135
A
MS3 Low input voltage
VMS3L
0.0
0.8
V
MS3 High input voltage
VMS3H
2
VCC
V
S/S bias current
IS/S
20
A
S/S Low voltage
VS/SL
0.0
0.8
V
S/S High voltage
VS/SH
2VCC
V
Hall amplifier input bias current
IHB
15
A
Common mode input voltage range
Vh
2.0
VCC–0.7
V
Differential input voltage range
Vdif
50
200
mVp-p
Input offset voltage
Vho
*
±10
mV
Hall bias output voltage
VH
IH = 5 mA
0.5
0.8
1.1
V
Leakage current
VHL
S/S = 5V
±10
A
Output saturation voltage
V(sat)
IO = 0.8A
0.45
0.64
V
Output leakage current
IOL
1mA
Current limiter
Ilim
RF = 3 k, ROUT = 100
6.3
7.5
8.7
mA
Control amplifier voltage gain
GC
–7.5
–5.5
–3.5
dB
Voltage gain phase differential
GC
±1dB
V/I conversion source current
I+
19
28
37
A
V/I conversion sink current
I–
–19
–28
–37
A
V/I conversion current ratio
I+/I–
0.8
1.0
1.2
DSC buffer input current
IDSC
1
A
FG amplifier input voltage
VFG
fFG = 300 Hz
2
20
mVp-p
FG amplifier voltage gain
GFG
Open loop*
60
dB
FG amplifier input offset
VFGO
*
±10
mV
FG amplifier internal reference voltage
VFGB
2.2
2.5
2.8
V
FG Schmitt hysteresis width
Vsh1
High –> Low*
25
mV
Vsh2
Low –> High*
25
mV
Speed discriminator count
N
1390/2
Discriminator operating frequency
FD
*
1.1
MHz
Oscillator frequency
FOSC
*
1.1
MHz
Oscillator frequency tolerance
FOSC
±0.2
%
Index output Low voltage
VIDL
IO = 2 mA
0.4
V
Index output leakage current
IIDL
±10
A
Index amplifier common mode input voltage range
VI
0.2
VCC–0.7
V
Index amplifier differential input voltage range
VDIF
Hysteresis width < 25 mA
25
100
mV
Index amplifier hysteresis set current
IHYS
2.9
4.2
5.5
A
Timing adjustment at High level
VTH
MS1 = L
1.15
1.26
1.35
V
Timing adjustment at Low level
VTL
MS1 = L
0.40
0.52
0.60
V
Timing adjustment ratio
THL
VTH (MS1 = L) / VTH (MS1 = H)
1.148
Reference voltage
VREF1
2.20
2.50
2.80
V
VREF2
1.85
2.15
2.45
V
Thermal protection operating temperature
TSD
*
150
180
°C
Hysteresis width
TSD
*
10
°C
Note: Items shown to be “*” are not measured.
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