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| 型号： | MC33794DWBR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC SENSOR ELECTRIC FIELD 54-SOIC |
| 标准包装： | 1,000 |
| 类型： | 传感器接口 |
| 输入类型： | 逻辑 |
| 输出类型： | 逻辑 |
| 接口： | ISO9141 |
| 电流 - 电源： | 7mA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 54-BSSOP（0.295"，7.50mm 宽）裸露焊盘 |
| 供应商设备封装： | 54-SOIC W EP |
| 包装： | 带卷 (TR) |
Sensors
10
Freescale Semiconductor
MC33794
DYNAMIC ELECTRICAL CHARACTERISTICS
ELECTRODE SELECTION
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 9.0 V ≤ VPWR ≤ 18 V, -40°C ≤ TA ≤ 85°C unless otherwise noted. Typical values noted
reflect the approximate parameter means at TA = 25°C under normal conditions unless otherwise noted. Voltages are relative
to GND unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
OSC
fSTAB
–
10
%
OSC Center Frequency
R_OSC = 39 k
fOSC
–
120
–
kHz
Harmonic Content (12)
2nd through 4th Harmonic Level
5th and Higher
OSCHARM
–
-20
-60
dB
Shield Driver
Shield Driver Maximum Harmonic level below Fundamental (12)
10 pF ≤ CLOAD ≤ 500 pF
SDHARM
–
-20
–
dB
Shield Driver Gain Bandwidth Product (12)
Measured at 120 kHz
SDGBW
–4.5
–
MHz
POR
POR Time-Out Period
tPER
9.0
–
50
ms
Watchdog
Watchdog Time-Out Period
tWDPER
50
68
250
ms
Watchdog Reset Hold Time
tWDHLD
9.0
–
50
ms
Lamp Driver
Short Circuit to Battery Survival Time
tSCB
3.0
–
ms
Notes
12.
Verified by design and characterization. Not tested in production.
13.
Does not include errors in external reference parts.
Table 5. Electrode Selection
TERMINAL/SIGNAL
D
C
B
A
Source (internal)
0
E1
0
1
E2
0
1
0
E3
0
1
E4
0
1
0
E5
0
1
0
1
E6
0
1
0
E7
0
1
E8
1
0
E9
1
0
1
REF_A
1
0
1
0
REF_B
1
0
1
Internal OSC
1
0
Internal OSC after 22 k
1
0
1
Internal Ground
1
0
Reserved
1
Table 5. Electrode Selection (continued)
TERMINAL/SIGNAL
D
C
B
A
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