mc33911 Freescale Semiconductor, Inc, mc33911 Datasheet - Page 11

• Manufacturer Part Number: mc33911
• Description: Mc33911 Lin System Basis Chip With Dc Motor Pre-driver
• Manufacturer: Freescale Semiconductor, Inc

Table 3. Static Electrical Characteristics (continued)
34911, unless otherwise noted. Typical values noted reflect the approximate parameter mean at T
conditions, unless otherwise noted.
Analog Integrated Circuit Device Data
Freescale Semiconductor
L1 AND L2 INPUT PINS (L1, L2)
WINDOW WATCHDOG CONFIGURATION PIN (WDCONF)
ANALOG MULTIPLEXER
ANALOG OUTPUT (ADOUT0)
Notes
Low Detection Threshold
High Detection Threshold
Hysteresis
Input Current
Analog Input Impedance
Analog Input Divider Ratio (RATIO
Analog Output offset Ratio
Analog Inputs Matching
External Resistor Range
Watchdog Period Accuracy with External Resistor (Excluding Resistor
Accuracy)
Internal Chip Temperature Sense Gain
VSENSE Input Divider Ratio (RATIO
VSENSE Output Related Offset
Maximum Output Voltage
Minimum Output Voltage
37.
38.
39.
Characteristics noted under conditions 5.5V ≤ V
5.5V < V
5.5V < V
5.5V < V
-0.2V < V
LXDS (Lx Divider Select) = 0
LXDS (Lx Divider Select) = 1
LXDS (Lx Divider Select) = 0
LXDS (Lx Divider Select) = 1
LXDS (Lx Divider Select) = 0
LXDS (Lx Divider Select) = 1
5.5V < V
-40°C < T
-5mA < I
-5mA < I
Analog Multiplexer input disconnected from Lx input pin.
Analog Multiplexer input connected to Lx input pin.
Watchdog timing period calculation formula: t
(39)
SUP
SUP
SUP
SUP
O
O
IN
A
(37)
< 5mA
< 5mA
< -20°C
< VS1
< 27V
< 27V
< 27V
< 27V
(38)
Characteristic
Lx
VSENSE
= V
Lx
/ V
= V
ADOUT0
VSENSE
PWD
)
SUP
/ V
[ms] = 0.466 * (R
ADOUT0
≤ 18V, -40°C ≤ T
)
EXT
OFFSET
RATIO
Lx
V
V
V
- 20) + 10 (R
RATIO
Symbol
WD
OFFSET
MATCHING
OUT_MAX
A
OUT_MIN
RATIOLx-
S
V
V
R
R
V
TTOV
≤ 125°C for the 33911 and -40°C ≤ T
I
THH
HYS
LxIN
EXT
THL
IN
VSENSE
ACC
VSENSE
Lx
EXT
V
DD
in kΩ)
0.95
3.42
Min
STATIC ELECTRICAL CHARACTERISTICS
800
2.0
3.0
0.5
-10
-80
-22
-15
5.0
-30
-45
0.0
96
96
20
–
-0.35
ELECTRICAL CHARACTERISTICS
1550
10.5
5.25
A
Typ
100
100
2.5
3.5
1.0
1.0
3.6
0.0
0.0
–
–
–
–
–
–
–
= 25°C under nominal
Max
1.05
3.78
0.35
V
104
104
200
3.0
4.0
1.5
5.5
A
10
80
22
15
30
45
–
–
DD
≤ 85°C for the
mV/K
Unit
mV
mV
k
µA
kΩ
33911
%
%
V
V
V
V
V
Ω
11