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HDI Series
Amplified pressure sensors
FEATURES * 10 mbar to 5 bar, absolute, gage or differential pressure * Digital I2C-bus and analog output * Precision ASIC signal conditioning * Calibrated and temperature compensated * SMT and DIP housings * RoHS compliant * Sensortechnics PRO services MEDIA COMPATIBILITY
To be used with non-corrosive, non-ionic working fluids such as clean dry air, dry gases and the like.
SPECIFICATIONS
Maximum ratings Supply voltage VS HDI...3 HDI...5 Output current Sink Source
ELECTRICAL CONNECTION
2.7 ... 3.3 VDC 4.5 ... 5.5 VDC max. 6.50 VDC 1 mA 1 mA
+Vs
1 2 4 6 3
Lead specifications Average preheating temperature gradient 2.5 K/s Soak time ca. 3 min Time above 217C 50 s Time above 230C 40 s Time above 250C 15 s Peak temperature 260C Cooling temperature gradient -3.5 K/s Temperature ranges5 Compensated Operating Storage 0 ... +85 C -20 ... +85 C -40 ... +125 C
Vout SDA SCL GND
E / 11650 / A
1/11
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HDI Series
Amplified pressure sensors
PRESSURE SENSOR CHARACTERISTICS
(TA = 25 C)
Part no.
HDIM010...B... HDIM020...B... HDIM050...B... HDIM100...B... HDIM200...B... HDIM500...B... HDIB001...B... HDIM010...U... HDIM020...U... HDIM050...U... HDIM100...U... HDIM200...U... HDIM500...U... HDIB001...U... HDIB002...U... HDIB005...U... HDI0611AR... HDI0811AR...
Operating pressure
0...10 mbar 0...20 mbar 0...50 mbar 0...100 mbar 0...200 mbar 0...500 mbar 0...1 bar 0...10 mbar 0...20 mbar 0...50 mbar 0...100 mbar 0...200 mbar 0...500 mbar 0...1 bar 0...2 bar 0...5 bar 600...1100 mbar(a) 800...1100 mbar(a)
Proof pressure1
150 mbar 150 mbar 210 mbar 300 mbar 1 bar 1 bar 2 bar 150 mbar 150 mbar 210 mbar 300 mbar 1 bar 1 bar 2 bar 4 bar 7 bar 2 bara 2 bara
Burst pressure2
200 mbar 200 mbar 350 mbar 500 mbar 1.5 bar 1.5 bar 3 bar 200 mbar 200 mbar 350 mbar 500 mbar 1.5 bar 1.5 bar 3 bar 6 bar 7 bar 3 bara 3 bara
Other pressure ranges are available on request. Please contact Sensortechnics.
Specification notes:
1. Proof pressure is the maximum pressure which may be applied without causing durable shifts of the electrical parameters of the sensing element. 2. Burst pressure is the maximum pressure which may be applied without causing damage to the sensing element or leaks to the housing. 3. Full Scale Span (FSS) is the algebraic difference between the output signal for the highest and lowest specified pressure. 4. Total accuracy is the combined error from offset and span calibration, linearity, pressure hysteresis, and temperature effects. Linearity is the measured deviation based on a straight line. Hysteresis is the maximum output difference at any point within the operating pressure range for increasing and decreasing pressure. Calibration errors include the deviation of offset and full scale from nominal values. 5. Extended temperature ranges on request. Please contact Sensortechnics. 6. Max. delay time between pressure change at the pressure die and signal change at the output. 7. The response time depends on the adjusted internal A/D resolution of the sensor. For 12 bit it is typ. 0.5 ms. Other A/D resolutions and reponse time are available on request. Please contact Sensortechnics for further information. 8. Sensors with lower current consumption are available on request. Please contact Sensortechnics for further information.
E / 11650 / A
2/11
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HDI Series
Amplified pressure sensors
PERFORMANCE CHARACTERISTICS
(VS = 5.0 VDC, TA = 25C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS) All HDI...P5 devices (Prime Grade, VS = 5.0) Characteristics all barometric devices Total accuracy (0...85C)4 all other devices Response delay6, 7 A/D resolution7 D/A resolution Current consumption8 All HDI...R...P5 (barometric devices) Characteristics
Output at min. specified pressure Full scale span (FSS)3 Full scale output Output at min. specified pressure Full scale span (FSS)3 Full scale output
Min.
Typ.
Max. 1.0 0.5
Units %FSS ms
0.5 12 11 5
Min. 0.46 4.46 3015 29228 Typ. 0.50 4.00 4.50 3277 26214 29490 Max. 0.54
bi t mA
Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
V 4.54 3539 counts 29752
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
All HDI...U...P5 (unidirectional devices)
Characteristics Zero pressure offset Full scale span (FSS)3 Full scale output Zero pressure offset Full scale span (FSS)3 Full scale output Min. 0.48 4.48 3146 29359 Typ. 0.50 4.00 4.50 3277 26214 29490 Max. 0.52 V 4.52 3408 counts 29621 Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
All HDI...B...P5 (bidirectional devices) Characteristics
Zero pressure offset Full scale span (FSS)3 Output
Min. 2.48
Typ. 2.50 4.00 4.50 0.50 16384 26214 29490 3277
Max. 2.52 4.52 0.52 16515 29621 3408
Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
at max. specified pressure at min. specified pressure
4.48 0.48 16252
V
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
Zero pressure offset Full scale span (FSS)3 Output
at max. specified pressure at min. specified pressure
29359 3146
counts
E / 11650 / A
3/11
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HDI Series
Amplified pressure sensors
PERFORMANCE CHARACTERISTICS
(VS = 5.0 VDC, TA = 25C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS) All HDI...H5 devices (High Grade, VS = 5.0)
Characteristics Total accuracy (0...85C)4 Response delay6, 7 A/D resolution7 D/A resolution Current consumption8 Min. Typ. 0.5 12 11 5 Max. 1.5 Units %FSS ms bi t mA
All HDI...U...H5 (unidirectional devices) and HDI...R...H5 (barometric devices)
Characteristics Output at min. specified pressure Full scale span (FSS)3 Full scale output Output at min. specified pressure Full scale span (FSS)3 Full scale output Min. 0.44 4.44 2883 29097 Typ. 0.50 4.00 4.50 3277 26214 29490 Max. 0.56 V 4.56 3670 counts 29883 Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
All HDI...B...H5 (bidirectional devices)
Characteristics Zero pressure offset Full scale span (FSS)3 Output Min. 2.44 at max. specified pressure at min. specified pressure 4.44 0.44 15990 at max. specified pressure at min. specified pressure 29097 2883 Typ. 2.50 4.00 4.50 0.50 16384 26214 29490 3277 Max. 2.56 4.56 0.56 16777 29883 3670 counts V Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
Zero pressure offset Full scale span (FSS)3 Output
E / 11650 / A
4/11
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HDI Series
Amplified pressure sensors
PERFORMANCE CHARACTERISTICS
(VS = 3.0 VDC, TA = 25C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS) All HDI...P3 devices (Prime Grade, VS = 3.0) Characteristics all barometric devices Total accuracy (0...85C)4 all other devices Response delay6, 7 A/D resolution7 D/A resolution Current consumption8 All HDI...R...P3 (barometric devices) Characteristics
Output at min. specified pressure Full scale span (FSS)3 Full scale output Output at min. specified pressure Full scale span (FSS)3 Full scale output
Min.
Typ.
Max. 1.0 0.5
Units %FSS ms
0.5 12 11 3
Min. 0.23 2.23 2512 24357 Typ. 0.25 2.00 2.25 2731 21845 24575 Max. 0.27
bi t mA
Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
V 2.27 2949 counts 24794
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
All HDI...U...P3 (unidirectional devices) Characteristics
Zero pressure offset Full scale span (FSS)3 Full scale output Zero pressure offset Full scale span (FSS)3 Full scale output
Min. 0.24 2.24 2621 24466
Typ. 0.25 2.00 2.25 2731 21845 24575
Max. 0.26
Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
V 2.26 2840 counts 24684
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
All HDI...B...P3 (bidirectional devices)
Characteristics Zero pressure offset Full scale span (FSS)3 Output Min. 1.24 at max. specified pressure at min. specified pressure 2.24 0.24 13545 at max. specified pressure at min. specified pressure 24466 2621 Typ. 1.25 2.00 2.25 0.25 13653 21845 24575 2731 Max. 1.26 2.26 0.26 13762 24684 2840 counts V Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
Zero pressure offset Full scale span (FSS)3 Output
E / 11650 / A
5/11
www.sensortechnics.com
HDI Series
Amplified pressure sensors
PERFORMANCE CHARACTERISTICS
(VS = 3.0 VDC, TA = 25C, analog output signal is ratiometric to VS, digital output signal is not ratiometric to VS) All HDI...H3 devices (High Grade, VS = 3.0)
Characteristics Total accuracy (0...85C)4 Response delay6, 7 A/D resolution7 D/A resolution Current consumption8 Min. Typ. 0.5 12 11 3 Max. 1.5 Units %FSS ms bi t mA
All HDI...U...H3 (unidirectional devices) and HDI...R...H3 (barometric devices)
Characteristics Output at min. specified pressure Full scale span (FSS)3 Full scale output Output at min. specified pressure Full scale span (FSS)3 Full scale output Min. 0.22 2.22 2403 24248 Typ. 0.25 2.00 2.25 2731 21845 24575 Max. 0.28 V 2.28 3058 counts 24903 Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
All HDI...B...H3 (bidirectional) devices
Characteristics Zero pressure offset Full scale span (FSS)3 Output Min. 1.22 at max. specified pressure at min. specified pressure 2.22 0.22 13325 at max. specified pressure at min. specified pressure 24248 2403 Typ. 1.25 2.00 2.25 0.25 13653 21845 24575 2731 Max. 1.28 2.28 0.28 13981 24903 3058 counts V Units
A N A L O G U E P E R F O R M A N C E C H A R A C T E R IS T IC
D IG IT A L P E R F O R M A N C E C H A R A C T E R IS T IC
Zero pressure offset Full scale span (FSS)3 Output
E / 11650 / A
6/11
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HDI Series
Amplified pressure sensors
IC BUS Introduction
The HDI is capable to generate a digital output signal. The device runs a cyclic program, which will store a corrected pressure value with 12 bit resolution about every 250 s within the output registers of the internal ASIC. In order to use the sensor for digital signal readout, it should be connected to a bidirectional IC-bus. According to the IC-bus specification, the bus is controlled by a master device, which generates the clock signal, controls the bus access and generates START and STOP conditions. The HDI is designed to work as a slave, hence it will only respond to requests from a master device. DATA valid (D): State of data line represents valid data when, after START condition, data line is stable for duration of HIGH period of clock signal. Data on line must be changed during LOW period of clock signal. There is one clock pulse per bit of data. Acknowledge (A): Data is transferred in pieces of 8 bits (1 byte) on serial bus, MSB first. After each byte receiving device - whether master or slave - is obliged to pull data line LOW as acknowledge for reception of data. Master must generate an extra clock pulse for this purpose. When acknowledge is missed, slave transmitter becomes inactive. It is on master either to send last command again or to generate STOP condition in that case. Slave address: The IC-bus master-slave concept requires a unique address for each device. The HDI has a preconfigured slave address (1111000xb). By factory programming it is possible to define a secondary slave address additional to the general one. According to IC specification 127 different addresses are available. The sensor will then listen to both slave addresses. After generating a START condition the master sends the address byte containing a 7 bit address followed by a data direction bit (R/W). A "0" indicates a transmission from master to slave (WRITE), a "1" indicates a data request (READ). DATA operation: The sensor starts to send 2 data bytes containing the current pressure value as a 15 bit information placed in the output registers.
Digital IC interface
The HDI complies with the following protocol (Fig. 1): Bus not busy: During idle periods both data line (SDA) and clock line (SCL) remain HIGH. START condition (S): HIGH to LOW transition of SDA line while clock (SCL) is HIGH is interpreted as START condition. START conditions are always generated by the master. Each initial request for a pressure value has to begin with a START condition. STOP condition (P): LOW to HIGH transition of SDA line while clock (SCL) is HIGH determines STOP condition. STOP conditions are always generated by the master. More than one request for the current pressure value can be transmitted without generation of intermediate STOP condition.
SCL
SDA
START condition
Data valid
Data allowed to change
STOP condition
1 S Slave Address R/W A
Data Byte 1
A
Data Byte 2
A
Data Byte 1
P
Read out of first pressure value generated by master generated by slave S = START condition A = Acknowledge P = STOP condition
Read out of n pressure values (optional) Data Byte 1 = High Byte (MSB first) Data Byte 2 = Low Byte (LSB last)
Fig. 1:
IC bus protocol
7/11
E / 11650 / A
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HDI Series
Amplified pressure sensors
IC Interface Parameters
Parameter
Input high level Input low level Output low level Pull-up resistor Load capacitance @ SDA Input capacitance @ SDA/SCL SCL clock frequency Bus free time between STOP and START condition Hold time (repeated) START condition, to first clock pulse LOW period of SCL HIGH period of SCL Setup time repeated START condition Data hold time Data setup time Rise time of both SDA and SCL Fall time of both SDA and SCL Setup time for STOP condition
Symbol
Min.
90 0 500
Typ.
Max.
100 10 10 400 10 400
Unit
% of V s pF kHz
C SD A CI2C_IN FSC L tBUF tHD.STA tLOW tHIGH tSU.STA tHD.DAT tSU.DAT tR tF tSU.STO
100* 1.3 0.8 1.3 0.6 1 0 0.2
s
0.3 0.3 0.6
* recommended Note: Sensortechnics recommends communication speeds of at least 100 kHz (max. 400 kHz). Please contact your nearest Sensortechnics sales office for further information.
tSU;DAT SCL SDA
tHD;DAT
tSU;STA tHD;STA
tR
tF
tHIGH SCL SDA
tLOW
tSU;STO tBUF
tHD;STA
Fig. 2:
Timing characteristics
8/11
E / 11650 / A
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HDI Series
Amplified pressure sensors
PHYSICAL DIMENSIONS
Different housing options are available on request. Please contact Sensortechnics.
HDI...E... (SMD, 2 ports same side)
15.0 7.5 4.1 O 2.3 High pressure port
8.35
19.5
2.54 0.46
3.2 4.0 7.0 9.1 9.9 6.3
third angle projection
0.7
12.85
dimensions in mm
HDI...F... (DIP, 2 ports same side)
15.0 7.5 4.1 O 2.3 High pressure port
2.54
0.46
8.35
19.5
3.2 7.0 9.25 9.1 15.15
third angle projection dimensions in mm
6.3
E / 11650 / A
0.7
12.85
9/11
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HDI Series
Amplified pressure sensors
PHYSICAL DIMENSIONS (cont.)
Different housing options are available on request. Please contact Sensortechnics.
HDI...Y... (SMD, 1 port axial)
11.9
456
4.0 0.7
15.0
321
10.4 2.54 0.46
Pin marking
15.79
3.1
6.9
O 2.69
third angle projection
8.0
dimensions in mm
HDI...Z... (DIP, 1 port axial)
11.9 9.25 0.7
15.0
10.4
21.05
2.54 0.46
3.1
6.9
O 2.7
8.0
third angle projection dimensions in mm
E / 11650 / A
10/11
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HDI Series
Amplified pressure sensors
ELECTRICAL CONNECTION (cont.)
HDI...A... (absolute)
456
HDI...G... (gage)
654
HDI...D... (differential)
456
Pin 1 2 3 4 5 6
Connection +Vs +Vout GND SD A I / C* SC L
321 Pin marking
123 Pin marking
321 High pressure port Pin marking
* Internal connection. Do not connect for any reason
ORDERING INFORMATION
Series Options HDI Pressure range 0611 0811 M010 M020 M050 M100 M200 M500 B 001
(B001A)
Pressure mode B U
Calibration Bidirectional Unidirectional
Housing E* SMD, 2 ports same side F* DIP, 2 ports same side Y** SMD, 1 port axial Z** DIP, 1 port axial 8
Porting Straight
Grade H High P Prime
Voltage 3 5 3V 5V
600...1100 mbar A* Absolute 800...1100 mbar D Differential 10 mbar G 20 mbar 50 mbar 100 mbar 200 mbar 500 mbar 1 bar
1 bara
Gage
R* Barometric
B 002 B 005
2 bar 5 bar
* only available from 1 bar * for pressure ranges 0611, 0811 * standard for differential devices, "D" ** standard for absolute and gage devices, "A" and "G"
Example:
HDI
M050
G
U
Y
8
P
5
Note:
Devices highlighted in grey are preferred stock items
Sensortechnics PRO services: * Extended guarantee period of 2 years * Custom product modifications and adaptations even for small quantities * Advanced logistics models for supply inventory and short delivery times * Technical support through application engineers on the phone or at your site * Traceability of each sensor through serial numbers on request * No product specification changes without customer notification * No product obsolescence without very early prior notice * Fastest possible technical response for design and QA engineers * Long term product availability for your spares and service needs ... plus other services on request
Sensortechnics reserves the right to make changes to any products herein. Sensortechnics does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. E / 11650 / A 11/11
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