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參數(shù)資料
| 型號： | L6275 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 5V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO” |
| 中文描述： | 5V的磁盤驅(qū)動(dòng)器主軸 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大小： | 109K |
| 代理商： | L6275 |
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY MONITOR
V
TR
Trip Point
Input Rising
1.92
2
2.08
V
V
HYS
I
DLY
Hysteresis Voltage
Input falling
100
mV
Porb Delay Current
TR_5V, TR_12V > V
TR
Vpordly = 2V
1.5
2
2.5
μ
A
R
on_por
Porb Pull Down Ron
V
dd
> 2V and sink 1mA
V
pordly
= 2V
500
V
DLY
Porb Dly Threshold
TR_5V > V
TR
2.0
V
I
IN
Input Current
V
IN
< 4V
-1
1
μ
A
VOLTAGE BOOST
V
BOOST
Output Voltage
V
dd
+5
V
dd
+6.3
V
F
osc
Internal Oscillator
130
200
250
kHz
SYSTEM CLOCK WATCHDOG
Min_Clk
Min. System Clock Time
7
10
13
μ
s
SW1 OUTPUT
R
GATE
Gate Driver for External Mosfet
Internal Resistor to CP
200
k
V
GATE
Off Gate State Voltage for
External Mosfet
I
O
= 1mA V
dd
= 3.5V
0.7
V
DIGITAL LOGIC LEVELS
V
IH
V
IL
V
OH
V
OL
Input Logic ”1”
2.5
V
Input Logic ”0”
0.5
V
Output Logic ”1”
I
SOURCE
= 20
μ
A
I
SOURCE
= -400
μ
A
V
dd
-0.2
V
Output Logic ”0”
0.4
V
F
SYSCLK
System Clock
20
25
MHz
VCM, DAC
Resolution
14
Bits
Differential Linearity
1 LSB Change
- Tested
- By design
-1
-0.5
1
0.5
LSB
Integral Linearity
9
Bits
Midscale Offset
Referenced to V
CC
/2
-5
5
mV
T
C
Convertion Time
5
μ
s
Full Scale Voltage
Referenced to V
CC
/2
±
1
V
Full Scale Error
-4
4
%
VCM, ERROR AMPLIFIER
A
VOL
Open Loop Gain
DC
50
db
V
OS
Input Offset Voltage
-5
5
mV
I
IB
Input Bias Current
--250
250
nA
V
ICM
Input Common Mode Range
V
CC
/2-
0.5
V
CC
/2+
0.5
V
ELECTRICAL CHARACTERISTICS
(Continued)
L6275
5/17
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