参数资料
型号: MC34912BACR2
厂商: Freescale Semiconductor
文件页数: 58/95页
文件大小: 0K
描述: IC SYSTEM BASIS CHIP LIN 32-LQFP
标准包装: 2,000
应用: 系统基础芯片
电流 - 电源: 4.5mA
电源电压: 5.5 V ~ 18 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-LQFP(7x7)
包装: 带卷 (TR)
MC33912BAC / MC34912BAC
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 35. Static Electrical Characteristics (continued)
Characteristics noted under conditions 5.5 V ?? V SUP ? 18 V, -40°C ? T A ? 125°C for the 33912 and -40°C ? T A ? 85°C for the
34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at T A = 25°C under nominal
conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
L1, L2, L3 AND L4 INPUT PINS (L1, L2, L3, L4)
Low Detection Threshold
V THL
V
5.5 V < V SUP < 27 V
High Detection Threshold
5.5 V < V SUP < 27 V
Hysteresis
5.5 V < V SUP < 27 V
Input Current (109)
-0.2 V < V IN < VS1
V THH
V HYS
I IN
2.0
3.0
0.5
-10
2.5
3.5
1.0
3.0
4.0
1.5
10
V
V
μA
Analog Input Impedance (110)
R LXIN
800
1550
k ?
Analog Input Divider Ratio (RATIO Lx = V Lx / V ADOUT0 )
RATIO LX
LXDS (Lx Divider Select) = 0
LXDS (Lx Divider Select) = 1
Analog Output offset Ratio
V RATIOLx-
0.95
3.42
1.0
3.6
1.05
3.78
mV
LXDS (Lx Divider Select) = 0
LXDS (Lx Divider Select) = 1
Analog Inputs Matching
LXDS (Lx Divider Select) = 0
LXDS (Lx Divider Select) = 1
OFFSET
LX MATCHING
-80
-22
96
96
0.0
0.0
100
100
80
22
104
104
%
WINDOW WATCHDOG CONFIGURATION PIN (WDCONF)
External Resistor Range
Watchdog Period Accuracy with External Resistor (Excluding Resistor
Accuracy) (111)
R EXT
WD ACC
20
-15
200
15
k ?
%
ANALOG MULTIPLEXER
Internal Chip Temperature Sense Gain
S TTOV
10.5
mV/K
VSENSE Input Divider Ratio (RATIO VSENSE = V VSENSE / V ADOUT0 )
RATIO VSENSE
5.5 V < V SUP < 27 V
5.0
5.25
5.5
VSENSE Output Related Offset
-40°C < T A < -20°C
OFFSET VSENSE
-30
-45
30
45
mV
ANALOG OUTPUTS (ADOUT0 AND ADOUT1)
Maximum Output Voltage
V OUT_MAX
V
-5.0 mA < I O < 5.0 mA
Minimum Output Voltage
-5.0 mA < I O < 5.0 mA
V OUT_MIN
V DD -0.35
0.0
V DD
0.35
V
Notes
109. Analog multiplexer input disconnected from Lx input pin.
110. Analog multiplexer input connected to Lx input pin.
111. Watchdog timing period calculation formula: t PWD [ms] = 0.466 * (R EXT - 20) + 10 (R EXT in k ??
33912
Analog Integrated Circuit Device Data ?
58
Freescale Semiconductor
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