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参数资料
| 型号： | L6254 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 2.1 A, PQFP44 |
| 封装： | 10 X 10 MM, TQFP-44 |
| 文件页数： | 15/17页 |
| 文件大小： | 170K |
| 代理商： | L6254 |
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
IO
On State Current
FLL_RES = 62k
ICP = "1"
ICP = "0"
22
80
25
100
32
120
A
VRCP
Current Set Voltage
FLL_RES = 62k
1.18
1.225
1.25
V
CURRENT SENSE AMPLIFIER
IBIAS
Input Bias Current
2
A
Av
Voltage Gain
3.8
4.0
4.2
V/V
dVo/dt
Output Slew Rate
20
V/
s
SERIAL PORT
Symbol
Parameter
Min.
Typ.
Max.
Unit
TSCK
SCLK Period
40
ns
TCKL
SCLK low time
15
ns
TCKH
SCLK high time
15
ns
TSDENS
Enable to SCLK
35
ns
TSDENH
SCLK to disable
20
ns
TDS
Data set-up time before rising edge SCLK
10
ns
TDH
Data Hold Time
10
ns
TSDENL
Minimum SDEN Low Time
50
ns
TSDV
SCLK falling edge (A6) to SDATA valid on READ op.
3
10
ns
TSDV
SCLK rising edge (D0-D7) to SDATA Transition on READ op.
5
35
ns
ELECTRICAL CHARACTERISTICS (Continued)
0A0
A1
1st Byte
2nd Byte
A6
D0
D1
D2
D7
SDEN
SCLK
SDATA
SERIAL PORT WRITE TIMING
SERIAL PORT READ TIMING
1A0
A1
1st Byte
2nd Byte
D98IN844
A6
D0
D1
D2
D7
SDEN
SCLK
SDATA
Figure 1. Serial Port Timing Information.
L6254
7/17
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