MC33794EKR2 Freescale Semiconductor, MC33794EKR2 Datasheet - Page 10
MC33794EKR2
Manufacturer Part Number
MC33794EKR2
Description
IC SENSOR ELECTRIC FIELD 54SOICW
Manufacturer
Freescale Semiconductor
Type
Sensor Interfacer
Datasheet
1.MC33794EK.pdf
(18 pages)
Specifications of MC33794EKR2
Input Type
Logic
Output Type
Logic
Interface
ISO9141
Current - Supply
7mA
Mounting Type
Surface Mount
Package / Case
54-SOIC (7.5mm Width) Exposed Pad, 54-eSOIC, 54-HSOIC
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MC33794EKR2
MC33794EKR2TR
MC33794EKR2TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC33794EKR2
Manufacturer:
ROHM
Quantity:
3 200
Part Number:
MC33794EKR2
Manufacturer:
FREESCALE
Quantity:
20 000
Table 5. Electrode Selection
10
MC33794
Table 4. Dynamic Electrical Characteristics
reflect the approximate parameter means at T
to GND unless otherwise noted.
OSC
Shield Driver
POR
Watchdog
Lamp Driver
Notes
Source (internal)
E1
E2
E3
E4
E5
E6
E7
OSC Frequency Stability
OSC Center Frequency
R_OSC = 39 kΩ
Harmonic Content
Shield Driver Maximum Harmonic level below Fundamental
Shield Driver Gain Bandwidth Product
POR Time-Out Period
Watchdog Time-Out Period
Watchdog Reset Hold Time
Short Circuit to Battery Survival Time
12.
13.
TERMINAL/SIGNAL
Characteristics noted under conditions
2nd through 4th Harmonic Level
5th and Higher
10 pF ≤ C
Measured at 120 kHz
Verified by design and characterization. Not tested in production.
Does not include errors in external reference parts.
LOAD
ELECTRODE SELECTION
(12)
≤ 500 pF
(12),
Characteristic
(13)
D
0
0
0
0
0
0
0
0
DYNAMIC ELECTRICAL CHARACTERISTICS
(12)
C
0
0
0
0
1
1
1
1
9.0 V ≤ VPWR ≤ 18 V
A
= 25°C under normal conditions unless otherwise noted. Voltages are relative
B
0
0
1
1
0
0
1
1
(12)
A
1
0
1
1
0
1
0
0
, -40°C
Table 5. Electrode Selection (continued)
E8
E9
REF_A
REF_B
Internal OSC
Internal OSC after 22 kΩ
Internal Ground
Reserved
≤
TERMINAL/SIGNAL
T
OSCH
A
SD
Symbol
t
SD
t
WDPER
≤
WDHLD
f
f
t
t
STAB
OSC
PER
SCB
HARM
85°C unless otherwise noted. Typical values noted
GBW
ARM
Min
3.0
9.0
9.0
50
–
–
–
–
–
–
D
1
1
1
1
1
1
1
1
Typ
120
-20
4.5
68
–
–
–
–
–
–
Freescale Semiconductor
C
0
0
0
0
1
1
1
1
Max
250
-20
-60
10
50
50
–
–
–
–
B
0
0
1
1
0
0
1
1
Sensors
MHz
Unit
kHz
ms
ms
ms
ms
dB
dB
%
A
0
1
0
1
0
1
0
1