CHT-3 Series
(CHT) Ceramic Hybrid Technology
mV Compensated, Constant Voltage, DIP Pressure Sensor
Features
- Dual In Line (DIP) Package
- Constant Voltage
- 1% Interchangeability
- Temperature Compensated
- Top Tube and Barb Ports
- 0.1% High Accuracy
- High Output
- Wide Pressure Range
About the CHT-3
Advanced Sensor Ceramic Hybrid Technology (CHT) 3 Series is a temperature compensated, mV output, PCB mounted pressure sensor packaged in a rugged Dual In Line package. The Ceramic Hybrid Technology uses a silicon MEMS pressure sensor bound to a ceramic substrate containing thick film resistors that are uniquely laser trimmed for each sensor. Incorporating a flexible design, the CHT-3 Series is available with short, long or no long tubes and can be mounted pins up or pins down to allow OEMs to optimize their board design. The CHT-2 series is powered using a constant voltage and when configured as in the Application Note, the integrated current set resistor will ensure sensor field interchangeability. The CHT-3 series superior die performance, coupled with rugged ceramic substrate ensures long term stability with superior temperature performance over a wide operating range.
SPECIFICATIONS
Performance
Accuracy
±0.10 %FSS
Stability (1 Yr)
±0.40 %FSS
Hysteresis & Repeatabillity
±0.05 %FSS (Typical)
Response Time
< 100 uS
Thermal
Operating Temperature
-40 to 125 ̊C
Compensated Temperature
0 to 50 ̊C
Thermal Error, Offset
-0.5 to 0.5 %FSS
Thermal Error, Span
-0.5 to 0.5 %FSS
Electrical
Output
49.5 - 50.5 Full Scale Span
Excitation
Reference Application Circuit
Offset
-2 to 2 mV
Bridge Resistance
2500 to 6100 Ω
Maximium Ratings
Excitation
3 mA
Storage Temperature
-50 to 150 ̊C
Over Pressure
3x Range
Media Comptabilty
Non Corrosive Gases
Model Number Configuration
Mechanical Dimensions
CHT-3 Series
Application Notes
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