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L9950 Datasheet(PDF) 16 Page - STMicroelectronics

Part # L9950
Description  DOOR ACTUATOR DRIVER
PDF  23 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9950 Datasheet(HTML) 16 Page - STMicroelectronics

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Table 10. SPI - ELECTRICAL CHARACTERISTICS
(VS = 8 to 16V, VCC = 4.5 to 5.3V, Tj = - 40 to 150 °C, unless otherwise specified. The voltages are
referred to GND and currents are assumed positive, when the current flows into the pin).
Note: 1. Value of input capacity is not measured in production test. Parameter guaranteed by design.
2. DI timing parameters tested in production by a passed/failed test:
Tj=-40°C/+25°C:
SPI communication @2MHZ
Tj=+125°C:
SPI communication @1.25MHZ
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.
160
300
µs
Inputs: CSN, CLK, PWM1/2 and DI
VinL
input low level
VCC = 5V
1.5
2.0
V
VinH
input high level
VCC = 5V
3.0
3.5
V
VinHyst
input hysteresis
VCC = 5V
0.5
V
ICSN in
pull up current at input CSN
VCSN = 3.5V VCC = 5V
-40
-20
-8
µA
ICLK in
pull down current at input CLK
VCLK = 1.5V
10
25
50
µA
IDI in
pull down current at input DI
VDI = 1.5V
10
25
50
µA
IPWM1 in
pull down current at input PWM1
VPWM = 1.5V
10
25
50
µA
C in
1
input capacitance at input CSN,
CLK, DI and PWM1/2
VCC = 0 to 5.3V
10
15
pF
DI timing (see figure 5 and figure 7)2
tCLK
clock period
VCC = 5V
1000
ns
tCLKH
clock high time
VCC = 5V
400
ns
tCLKL
clock low time
VCC = 5V
400
ns
tset CSN
CSN setup time, CSN low before
rising edge of CLK
VCC = 5V
400
ns
tset CLK
CLK setup time, CLK high before
rising edge of CSN
VCC = 5V
400
ns
tset DI
DI setup time
VCC = 5V
200
ns
thold time
DI hold time
VCC = 5V
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



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