參數(shù)資料
型號: KA2822
廠商: Fairchild Semiconductor Corporation
英文描述: 3-Phase Capstan Motor Driver(三相絞盤馬達驅(qū)動器)
中文描述: 三相絞盤電機驅(qū)動器(三相絞盤馬達驅(qū)動器)
文件頁數(shù): 10/15頁
文件大?。?/td> 419K
代理商: KA2822
KA2822D
FDD PRODUCTS
10
MIC-98D002
August 1998
ELECTRICAL CHARACTERISTICS (Continued)
(Ta=25
°
C, V
CC
=5V)
NOTE:
Reference value
Characteristic
Symbol
Test conditions
Min.
Typ.
Max.
Unit
CHARGE PUMP
Charge current
I
CP
I
CP+
I
R
I
OFF
V
CLP
RPM=L
15
20
25
μ
A
Discharge current
Current ratio
note
RPM=L
15
20
25
μ
A
I
CP+
/ I
CP
V
CP
=0.63V
0.9
1.0
1.1
Off current
Clamp voltage
note
50
nA
1.3
1.5
V
FG AMP
Output DC voltage
note
V
FG
G
FG
V
IN
N
D
N
C
1.0
1.3
1.6
V
Voltage gain 2
Input voltage range
note
Noise margin 1
note
Noise margin 2
note
24
34
44
dB
2.0
20
mV
P-P
mV
P-P
V
P-P
Differential noise
0.5
Common mode noise
0.5
SPEED CONTROL
Count range 1
note
Count range 2
note
N1
RPM=L
1666.5
N2
RPM=H
1388.5
Operating freq.
F
D
1.0
1.1
MHz
BURST ADJUSTMENT
Input current
I
BI
1
2
μ
A
Threshold voltage 1
V
TH1
V
TH2
RPM=L
1.2
1.45
1.7
V
Threshold voltage 2
RPM=H
1.05
1.3
1.55
V
PULSE WIDTH ADJUSMENT
Ct2 charge current
I
CT2
V
TH3
19
25
36
μ
A
Threshold voltage 3
0.9
1.1
1.3
V
INDEX OUTPUT
Output leakage current
note
I
OH
V
O1
1
2
μ
A
Output low voltage
I
O
=1mA
0.2
0.4
V
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