u6268b ATMEL Corporation, u6268b Datasheet - Page 9

• Manufacturer Part Number: u6268b
• Description: U6268b Side-airbag Sensor Dual Interface
• Manufacturer: ATMEL Corporation

6. Electrical Characteristics (Continued)
T
Operation supply-voltage range V
The current values are based on R = 750 , 0%-resistor at OCM1/OCM2 pins.
4808B–AUTO–09/05
Parameters
Leakage current at disabled OUTx
Leakage voltage at disabled OUTx
Internal pull-down current
Supply rejection ratio
Supply rejection ratio
Minimum capacity at OUTx for phase
margin
Delay time with C
Function OCM1, OCM2
Voltage threshold CLL-comparator
Minimum voltage at OCMx
Current-limitation level
Overcurrent-detection level
Current limitation minus overcurrent
detection
Internal pull-down current
Function RETURN1, RETURN2
Enable high saturation voltage
Dynamic resistance
Current limitation
RETURNx is always higher than
current limitation OUTx
Overcurrent-detection level
Delay time
C
Function CLL1, CLL2 (CLLx with 2 k to 5V)
I
CLL saturation voltage
CLL leakage current
amb
OUT
RETURN
= –40°C to +95°C and T
threshold CLL comparator
= 47 nF
out
= 47 nF
j
= –40°C to +150°C,
S
= 5.7V to 18V continuously, V
Test Conditions
OUTx short to GND, V
OUTx short to GND, V
OUTx open, V
V
V
V
Variation of V
in 10 ms
Switching on ENABLE = 1 to 90%
V
Switching off ENABLE = 0 to 10%
V
CLLx low-level voltage threshold
CLLx high-level voltage threshold
Voltage hysteresis
I
V
V
V
I
dI
Enable high, V
Enable high, V
Enable low, V
Threshold comparator,
switch-off return
Threshold comparator,
switch-on return
Hysteresis
Switching on I
Switching off I
R
CLL low-level threshold
CLL high-level threshold
Hysteresis
I
V
OUT
RETURN
CLL
S
S
SC
OUT
OUT
S
S
OCM_lim
CLL
OCM
= 7.6V
18V
40V
= 0 to 5 mA
40V, OUTx short to GND
40V
10 mA
reached
reached
2.5 mA
= 750
6.5V
= 50 mA
– V
OCM_over
S
RETURNx
RETURN
RETURN
S
RETURNx
RETURNx
= 8.4V to 40V
38.5V
at 50 mA
at 1 mA
S
S
= 2V
18V
18V
S
25V
38.5V
25V for maximum 25 min, V
Enable_on
Enable_off
_lim_OCM
V
C
V
Symbol
V
V
I
I
I
V
V
V
I
OCM_sink
V
I
OUT_leak
OUT_sink
V
V
V
V
t
t
V
V
CLL_leak
OUT_leak
OCM_min
I
I
CLL_hys
OCM_det
I
I
dRet_on
dRet_off
I
OUT_min
OCM_lim
CLL_hys
ret_low
CLL_sat
ret_lim
ret_lim
ret_high
CLL_L
CLL_H
rej_mV
R
ret_low
ret_hys
CLL_L
CLL_H
ret_sat
rej_dB
ret
S
–0.02
Min.
51.9
1.75
1.43
0.26
0.15
23.3
19.1
–12
1.8
2.5
4.3
4.2
0.1
0.8
1.4
1.1
0.2
3.5
40V for up to 500 ms.
33
30
60
70
30
3
2
3
Typ.
Max.
0.45
27.3
22.3
100
150
200
4.3
4.5
2.4
1.9
0.6
0.5
5.3
4.9
0.5
0.5
1.5
0.7
8.2
0.4
80
30
30
90
U6268B
4
8
2
2
1
Unit
mA
mA
mA
mA
mV
mA
mA
mA
mA
mA
mA
mA
dB
nF
µA
µs
µs
µs
µs
V
V
V
V
V
V
V
V
V
V
V
V
V
9