MC33912BACR2 Freescale Semiconductor, MC33912BACR2 Datasheet - Page 58

• Manufacturer Part Number: MC33912BACR2
• Description: IC SYSTEM BASIS CHIP 32LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC33912BACR2

• Applications: System Basis Chip
• Current - Supply: 4.5mA
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 35. Static Electrical Characteristics (continued)
34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at T
conditions, unless otherwise noted.
58
33912
L1, L2, L3 AND L4 INPUT PINS (L1, L2, L3, L4)
WINDOW WATCHDOG CONFIGURATION PIN (WDCONF)
ANALOG MULTIPLEXER
ANALOG OUTPUTS (ADOUT0 AND ADOUT1)
Notes
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
108.
109.
110.
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
Characteristics noted under conditions 5.5 V ≤ V
5.5 V < V
5.5 V < V
5.5 V < V
-0.2 V < 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
5.5 V < V
-40°C < T
-5.0 mA < I
-5.0 mA < I
Analog multiplexer input disconnected from Lx input pin.
Analog multiplexer input connected to Lx input pin.
Watchdog timing period calculation formula: t
(110)
SUP
SUP
SUP
SUP
A
(108)
IN
O
O
< -20°C
< VS1
< 5.0 mA
< 5.0 mA
< 27 V
< 27 V
< 27 V
< 27 V
(109)
Characteristic
Lx
VSENSE
= V
Lx
/ V
= V
ADOUT0
VSENSE
PWD
)
SUP
/ V
[ms] = 0.466 * (R
ADOUT0
≤ 18 V, -40°C ≤ T
)
EXT
OFFSET
RATIO
- 20) + 10 (R
LX
V
V
V
RATIO
A
Symbol
WD
OFFSET
OUT_MAX
MATCHING
OUT_MIN
RATIOLx-
S
R
V
V
R
V
≤ 125°C for the 33912 and -40°C ≤ T
TTOV
I
LXIN
THH
HYS
EXT
THL
IN
ACC
VSENSE
VSENSE
LX
EXT
V
in kΩ)
DD
0.95
3.42
Min
800
2.0
3.0
0.5
-10
-80
-22
-15
5.0
-30
-45
0.0
96
96
20
Analog Integrated Circuit Device Data
–
-0.35
A
1550
10.5
5.25
Typ
100
100
= 25°C under nominal
2.5
3.5
1.0
1.0
3.6
0.0
0.0
–
–
–
–
–
–
–
Freescale Semiconductor
A
Max
1.05
3.78
V
0.35
104
104
200
3.0
4.0
1.5
5.5
10
80
22
15
30
45
–
–
DD
≤ 85°C for the
mV/K
Unit
mV
mV
k
µA
kΩ
%
%
V
V
V
V
V
Ω