參數(shù)資料
型號(hào)： L9942XP1TR
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動(dòng)控制電子
英文描述： STEPPER MOTOR CONTROLLER, 2.5 A, PDSO24
封裝： ROHS COMPLIANT, SSOP-24
文件頁(yè)數(shù)： 22/40頁(yè)
文件大?。?/td> 639K
代理商： L9942XP1TR
L9942
Logic with SPI - electrical characteristics
Doc ID 11778 Rev 6
6.3
Outputs: DO, PWM
6.4
Output: DO timing
6.5
CSN timing
Table 23.
Outputs: DO, PWM
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VDOoutL
Output low level
VCC = 5 V, ID = 2 mA
-
0.2
0.4
V
VPWMoutL
VDOoutH
output high level
VCC = 5 V, ID = -2 mA
VCC -
0.4
VCC -
0.2
-V
VPWMoutH
IDOoutLK
Tristate leakage current
VCSN = VCC,
0 V < VDO< VCC
-10
-
10
A
IPWMoutLK Tristate leakage current
Register3bit5=1 (NPWM)
0 V < VPWM < VCC
-10
-
10
A
Cout
(1)
Tristate input capacitance
VCSN = VCC,
0 V < VCC < 5.3 V
-
10
15
pF
Table 24.
Output: DO timing (see Figure 12 and Figure 13)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
tr DO
DO rise time
CL = 100 pF, Iload = -1 mA
-
50
100
ns
tf DO
DO fall time
CL = 100 pF, Iload = 1 mA
-
50
100
ns
ten DO tri L
DO enable time from tristate to low
level
CL = 100 pF, Iload = 1 mA pull-
up load to VCC
-
50
250
ns
tdis DO L tri
DO disable time from low level to
tristate
CL = 100 pF, Iload = 4 mA pull-
up load to VCC
-
50
250
ns
ten DO tri H
DO enable time from tristate to
high level
CL = 100 pF, Iload = -1 mA pull-
down load to GND
-
50
250
ns
tdis DO H tri
DO disable time from high level to
tristate
CL = 100 pF, Iload = -4 mA
pull-down load to GND
-
50
250
ns
td DO
DO delay time
VDO < 0.3 VCC, VDO > 0.7
VCC, CL = 100 pF
-
50
250
ns
Table 25.
CSN timing
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
tCSN_HI,min
(1)
CSN high time, active mode
Transfer of SPI-command to
Input Register
2
-
s
1.
Parameter guaranteed by design.
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