MC33794DWB Freescale Semiconductor, MC33794DWB Datasheet - Page 8

• Manufacturer Part Number: MC33794DWB
• Description: IC SENSOR ELECTRIC FIELD 54-SOIC
• Manufacturer: Freescale Semiconductor
• Type: Sensor Interfacer

Specifications of MC33794DWB

• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

8
MC33794
Table 3. Static Electrical Characteristics (continued)
reflect the approximate parameter means at T
to GND unless otherwise noted.
Electrode Signals
Shield Driver
Logic I/O
Signal Detector
Notes
Total Variance Between Electrode Measurements
Electrode Maximum Harmonic Level Below Fundamental
Electrode Transmit Output Range
5.0 pF ≤ C
Receive Input Voltage Range
Grounding Switch on Voltage
Shield Driver Output Level
0 pF ≤ C
Shield Driver Input Range
Grounding Switch on Voltage
CMOS Logic Input Low Threshold
Logic Input High Threshold
Voltage Hysteresis
Input Current
Detector Output Resistance
LP_CAP to LEVEL Gain
LP_CAP to LEVEL Offset
7.
8.
9.
Characteristics noted under conditions
All C
5.0 pF ≤ C
I
V
V
SW
IN
IN
Verified by design. Not tested in production.
Verified by design and characterization. Not tested in production.
Current into grounded terminal under test = 1.0 mA.
= V
= 0 V
= 1.0 mA
LOAD
LOAD
LOAD
CC
LOAD
= 15 pF
≤ 500 pF
≤ 100 pF
≤ 100 pF
Characteristic
(9)
9.0 V ≤ VPWR ≤ 18 V
A
(7)
= 25°C under normal conditions unless otherwise noted. Voltages are relative
(8)
, -40°C
V
EL
Symbol
ELV
SW
SW
DET
SD
EL
RECOFF
V
V
A
SD
V
RX
HARM
THH
HYS
I
REC
THL
IN
TXV
TXV
VON
VON
VAR
IN
V
RO
≤
T
A
≤
85°C unless otherwise noted. Typical values noted
Min
-5.0
-3.3
1.0
1.0
0.3
10
3.6
–
–
0
–
0
–
–
–
–
0.06
Typ
-3.0
-20
4.0
50
–
–
–
–
–
–
–
–
–
–
–
Freescale Semiconductor
Max
-2.7
3.0
8.0
9.0
5.0
8.0
9.0
1.5
5.0
4.4
0.7
50
–
–
–
–
Sensors
Unit
V
V
V
dB
µA
A
kΩ
%
V
V
V
V
V
V
V
CC
CC
CC
V