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参数资料
| 型号： | L9949 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 10 A, PDSO20 |
| 封装： | POWER, SO-20 |
| 文件页数： | 7/20页 |
| 文件大小： | 337K |
| 代理商： | L9949 |
15/20
L9949
SPI INTERFACE ELECTRICAL CHARACTERISTCS
VS =8to 16 V, VCC = 4.5 to 5.5 V, Tj = -40 to 150 °C, unless otherwise specified. The voltages are refered to
GND and currents are assumed positive, when the current flows into the pin
.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Delay time from standby to active mode
tset
Delay Time
Switching from standby to active
mode. Time until output drivers are
enabled after CSN going to high.
200
s
Inputs: CSN, CLK and DI
VINL
Input Low Level
VCC =5V
1.5
V
VINH
Input High Level
VCC =5V
3.5
V
VINHyst
Input Hystersis
VCC =5V
0.5
V
ICSNin
Pull Up Current at input CSN
VCSN = 3.5 V
-50
-25
-10
A
ICLK in
Pull Down Current at input CLK
VCLK =1.5 V
10
25
50
A
IDI in
Pull Down Current at input DI
VDI =1.5 V
10
25
50
A
Cin
(1)
Input Capacitance at input CSN
or CLK
0 V<VCC < 5.5 V
10
15
pF
DI timing (see Fig. 9 )(2)
tCLK
Clock Period
VCC = 5 V
1000
ns
tCLKH
Clock High Time
VCC = 5 V
400
ns
tCLKL
Clock Low Time
VCC = 5 V
400
ns
tset CSN
CSN setup time, CSN low before
rising edge of CLK
VCC = 5 V
400
ns
tset CLK
CLK setup time, CLK high before
rising edge of CSN
VCC = 5 V
400
ns
tset DI
DI setup time
VCC = 5 V
200
ns
thold DI
DI hold time
VCC = 5 V
200
ns
tr-in
Rise Time of Input Signal
DI, CLK, CSN
VCC =5V
100
ns
tf-in
Fall Time of Input Signal
DI, CLK, CSN
VCC =5V
100
ns
DO
VDOL
Output Low Level
VCC =5V, ID =-4 mA
0.2
0.4
V
VDOH
Output High Level
VCC =5V, ID =-4 mA
VCC
-1.3
VCC
-1.0
V
VCC =5V, ID =-200 A; Tj = 25°C
VCC
-0.8
V
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