mlx90308cab ETC-unknow, mlx90308cab Datasheet - Page 24

• Manufacturer Part Number: mlx90308cab
• Description: Programmable Sensor Interface
• Manufacturer: ETC-unknow

Figure 10. Application Example
MLX90308CAB Programmable Sensor Interface
Figure 10b. Programmable Oil Pressure Gauge Electrical Connections
Pressure
Sensor
option is Current Mode, which allows the user a 4 to 20 milliampere current range to
use as a 2-wire analog sensor.
converter sharing the same supply and ground reference. A third wiring
Figure 10a. Programmable Oil Pressure Gauge
Ratiometric Voltage Mode, in which the output (VMO) is tied to an A/D
independent of the supply voltage. The MLX90308 can be operated in
1
2
3
4
5
6
7
8
where voltage to the sensor and analog circuit is regulated
TSTB
VBN
FLT
OFC
VBP
TMP
IO1
IO2
portion of the IC. This is known as Absolute Voltage Mode,
to regulate the voltage to the sensor and the analog
MLX90308 uses an external FET as a pass transistor
pressure sensor element. In this application, the
application of the MLX90308 and a bridge type
This application example illustrates a fundamental
Page 24
Programmable Oil Pressure Gauge
COMS
VDD1
GND
CMN
CMO
VMO
VDD
FET
Programmable Sensor Interface
16
15
14
13
12
11
10
9
for Regulation
External FET
Communications
Signal Out
MLX90308CAB
G
Rev 3.0 21/May/01
GND
D
S
V+
GND
Communication
V
+
Signal Out
s
Pressure
(psi)
Oil