HPSD 4000 Pressure Transducer

Transcription

DS D4000/C
Datasheet
General description
Applications
Pressure transducer HPSD 4000 is an OEM
pressure sensing device. Signal conditioning
consist of complete temperature compensation
and adjusted amplifier in single, programmable
ASIC. High performance and accuracy enables
use of this transducer in many applications.
Programmable temperature compensation provides 1% total error over 0 to 70°C temperature
range. Standard ratiometric 0,5 to 4,5 V and I2C
digital output at the same time give OEM users
maximum freedom for any type of application
with dry air or non-corrosive gases and liquids.
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September, 2012
1/7
HVAC
Medical instrumentation
Respirators
Air flow monitoring
Process control
Leak detection
Altimeters
The whole group consists for pressure ranges
from 10 mbar to 7 bar. Differential and absolute
versions are available for this transducer group.
Features
•
•
•
•
•
•
•
•
•
Single 5 V supply voltage
Easy to use package
Wide compensated range (0 to 70°C)
Total accuracy down to 1% over 0 to 70°C,
all effects included (maximum)
Standard 0,5 to 4,5 V voltage output
Up to 15 bits I2C output (pressure + temperature)
High performance OEM applications
Differential and absolute pressure configurations
Pressure ranges: from 10 mbar to 7 bar
This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Hyb d.o.o.
assumes no obligation regarding future manufacture unless otherwise agreed to in writing. Copyright © Hyb d.o.o., 2010. All rights researved.
info
DS D4000/C
Datasheet
Pressure range
ID group
range
Pressure types
10 mbar
(0,15 psi)
20 mbar
(0,3 psi)
HPSD 4000-010M
HPSD 4000-020M
10 mbar
20 mbar
differential/gage
differential/gage
Types overview
(0,15 psi)
(0,3 psi)
bidirectional
bidirectional
differential
differential
ID group
HPSD 4000-010M
HPSD 4000-020M
0,5 to 4,5 V
0,5 to 4,5 V
OUT
TV
= 25°C
Pressure
types
differential/gage
differential/gage
AMB
Temperature
Operating:
-25
to
85°C
noted.
Vcc = 5 V unless otherwise
bidirectional
bidirectional
ranges
Compensated:
differential0 to 70°C
differential
Storage
: -40
toV 125°C
VOUT
0,5
to
4,5
0,5
to 4,5 V
1)
Over
pressure
100 mbar
200 mbar
Temperature
Operating:
-25
to
85°C
2)
Burst
pressure range
150 mbar 0 to 70°C
300 mbar
Low
pressure
ranges
Compensated:
Storage : -40 to 125°C
Pressure
range1)
mbar
20mbar
mbar
Over pressure
10010mbar
200
2)
(0,15
psi)
(0,3
psi)
Burst pressure
150 mbar
300 mbar
ID group
range
Pressure types
September, 2012
2/7
50 mbar
(0,8 psi)
100 mbar
(1,5 psi)
HPSD 4000-050M
50 mbar
differential/gage
(0,8 psi)
bidirectional
differential
HPSD 4000-050M
0,5 to 4,5 V
differential/gage
bidirectional
differential
0,5 to 4,5 V
500 mbar
750 mbar
HPSD 4000-100M
100 mbar
differential/gage
(1,5 psi)
bidirectional
differential
HPSD 4000-100M
0,5 to 4,5 V
differential/gage
bidirectional
differential
0,5 to 4,5 V
1000 mbar
1500 mbar
50 mbar
mbar
500
(0,8
psi)
750 mbar
HPSD 4000-050M
50 mbar
differential/
(0,8 psi)
bidirectional
differential
HPSD
4000-050M
0,5
to 4,5 V
differential/
100 mbar
1000
mbar
(1,5
psi)
1500 mbar
HPSD 4000-100M
100 mbar
differential/
(1,5 psi)
bidirectional
differential
HPSD
4000-100M
0,5
to 4,5 V
differential/
HPSD 4000-010M
HPSD 4000-020M
10 mbar
20 mbar
differential/
differential/
(0,15 psi)
(0,3 psi)
bidirectional
bidirectional
differential
differential
ID group
HPSD
4000-010M
HPSD
4000-020M
V
0,5
to 4,5 V
0,5
to 4,5 V
OUT
Pressure
types
differential/
differential/
Temperature ranges
Operating:
-25
to
85°C
bidirectional
bidirectional
bidirectional
Compensated:
differential 0 to 70°C differential
differential
Storage
: -40
VOUT
0,5 to
4,5to
V 125°C
0,5 to 4,5 V
0,5 to 4,5 V
1)
Over
pressureranges
100 mbar
200 mbar
500 mbar
Temperature
Operating:
-25 to 85°C
2)
Burst pressure
150 mbar 0 to 70°C 300 mbar
750 mbar
Compensated:
1)
Pressure
350 mbar
mbar
1 bar
2 bar 500 mbar4 bar
Over pressure
100
200 mbar
2)
range
(5
psi)
(15
psi)
(30
psi)
(60 psi)
Burstpressure
pressure range
150 mbar
300 mbar
750 mbar
High
ID group
HPSD 4000HPS D4000HPSD 4000HPSD 4000350M
001B
002B
004B
Pressure
350
mbar
1 bar
2 bar
4 bar
Pressure
types
differential/
differential/
differential/
differential/
range
(5 psi)
(15 psi)
(30 psi)
(60 psi)
bidirectional
bidirectional
bidirectional
bidirectional
ID group
HPSD
4000HPS
D4000HPSD
4000HPSD
4000differential
differential/
differential/
differential/
350M
001B
002B
004B
absolute
absolute
absolute
Pressure types
differential/
differential/
differential/
differential/
VOUT
0,5
to
4,5
V
0,5
to
4,5
V
0,5
to
4,5
V
0,5
to 4,5 V
bidirectional
bidirectional
bidirectional
bidirectional
Temperature ranges
Operating:
-25 to 85°C
differential
differential/
differential/
differential/
Compensated: 0 to 70°C
absolute
absolute
absolute
Storage
: -40
to 125°C
VOUT
0,5
to
4,5
V
0,5
to
4,5
V
0,5
to
4,5
V
0,5
to 4,5 V
1)
Over
pressureranges
1 bar -25 to 85°C3 bar
6 bar
8 bar
Temperature
Operating:
2)
Burst pressure
1,7 bar
5 bar
10 bar
12 bar
Compensated:
0 to 70°C
bidirectional
differential
0,5 to 4,5 V
1000 mbar
1500 mbar
bar
1000 7mbar
(100 psi)
1500 mbar
HPSD 4000007B
7 bar
differential/
(100 psi)
bidirectional
HPSD
4000differential/
007B
absolute
differential/
0,5
to 4,5 V
bidirectional
differential/
absolute
0,5 to 4,5 V
14 bar
21 bar
1)
Parameter
Min.
Typ. 8 bar Max.
Unit
Over pressure
1 bar
3Symbol
bar
6 bar
14 bar
2)
Power
supply
Burst pressure
1,7 bar
5 bar
10 bar
12 bar
21 bar
Supply voltage
VCC
4,75
5,25
V
Current
consumption
ICC
4
6,5
mA
Parameter
Symbol
Min.
Typ.
Max.
Unit
3)
Analog
output (pressure)
Power supply
4)
Offset
0,50
V
O
Supplyvoltage
voltage
VVCC
4,75
5,25
V
5)
Full
scale
output (FSO)
VICC
4,50
V
Current
consumption
FS
4
6,5
mA
6)
Full scale span (FSS)
3)
VFSO
4,00
V
Analog output (pressure)
Offset voltage (bidirectional
devices)
4)
V
2,50
V
Offset voltage
VOO
0,50
V
3)
5)
Digital
output
(pressure),
15 bits
This
information
applies
to a product
under development. Its characteristics
and
specifications
are
subject
to
change
without
notice.
Hyb
Full
scale
output
(FSO)
V
4,50
Vd.o.o.
FS
4)
6)
no obligation
agreed to in writing. Copyright3277
© Hyb d.o.o., 2010. All rights researved.
Offset
voltage
Fullassumes
scale
span
(FSS)regarding future manufacture unless otherwise
V
counts
O
VFSO
4,00
V
5)
Full
scale
output
(FSO)
Offset
voltage
(bidirectional
devices)
VVFS
29491
counts
2,50
V
O
6)
3)
VFSO
26214
counts
Digital output (pressure), 15 bits
Offset voltage (bidirectional
devices)
4)
V
16384
counts
Offset voltage
VOO
3277
counts
7)
5)
Digital
output
(temperature),
15 bits
Full scale
output
(FSO)
V
29491
counts
FS
info
Temperature
output
@6)0°C
Full scale span
(FSS)
8192
counts
o
VTFSO
26214
counts
Temperature
@ 70°Cdevices)
Offset voltageoutput
(bidirectional
TOs
24576
counts
V
16384
counts
8)
Accuracy
(pressure)
@ 25°C 15 bits 7)
Digital output
(temperature),
Low
pressure output
(10 mbar
FS devices)
E
0,5
±2
%FSO
Temperature
@ 0°C
Tao
8192
counts
Low pressure (20 to 100 mbar FS devices)
E
0,4
±1,5
%FSO
VOUT
Temperature ranges
1)
Over pressure
2)
Burst pressure
differential
differential
0,5 to 4,5 V
0,5 to 4,5 V
Operating: -25 to 85°C
100 mbar
200 mbar
150 mbar
300 mbar
differential
0,5 to 4,5 V
differential
0,5 to 4,5 V
500 mbar
750 mbar
1000 mbar
1500 mbar
Pressure
350 mbar
1 bar
2 bar
range Datasheet
(5 psi)
(15 psi)
(30 psi)
ID group
HPSD 4000-
Pressure types
differential/
bidirectional
differential
HPS D4000-
HPSD 4000-
differential/
bidirectional
differential/
absolute
VOUT
0,5 to 4,5 V
0,5 to 4,5 V
Temperature ranges
Operating: -25 to 85°C
Performance
characteristics
TOver
= 25°C 1)
1 bar
3 bar
AMB pressure
2)
=
5
V
unless
otherwise
noted.
VBurst
pressure
1,7
bar
5 bar
cc
differential/
bidirectional
differential/
absolute
0,5 to 4,5 V
HPSD 4000 004B differential/
bidirectional
differential/
absolute
0,5 to 4,5 V
HPSD 4000007B
3/7
differential/
bidirectional
differential/
absolute
0,5 to 4,5 V
6 bar
10 bar
8 bar
12 bar
14 bar
21 bar
002B
HPSD 4000 350M
Pressure001BTransducer
Parameter
Power supply
Supply voltage
Current consumption
3)
Analog output (pressure)
4)
Offset voltage
5)
Full scale output (FSO)
6)
Offset voltage (bidirectional devices)
Symbol
VCC
ICC
3)
Digital output (pressure), 15 bits
4)
Offset voltage
5)
Full scale output (FSO)
6)
Offset voltage (bidirectional devices)
7)
Digital output (temperature), 15 bits
Temperature output @ 0°C
Temperature output @ 70°C
8)
Accuracy (pressure) @ 25°C
Low pressure (10 mbar FS devices)
Standard pressure
9)
Total accuracy (pressure) @ 0 to 70°C
Low pressure (10 mbar FS devices)
Standard pressure (all other devices)
Resolution
A/D converter
D/A converter
Response time
10)
Repeatability
11)
Nonlinearity & pressure hysteresis (BFSL)
Load resistance
Media compatibility
Weight
DS D4000/C
4 bar
7 bar
(60 psi)
(100 psi)
September,
2012
Min.
4,75
Typ.
Max.
Unit
4
5,25
6,5
V
mA
VO
VFS
VFSO
VO
0,50
4,50
4,00
2,50
V
V
V
V
VO
VFS
VFSO
VO
3277
29491
26214
16384
counts
counts
counts
counts
To
Ts
8192
24576
counts
counts
Ea
Ea
Ea
0,5
0,4
0,3
±2
±1,5
±0,8
%FSO
%FSO
%FSO
Eta
Eta
Eta
0,7
0,6
0,5
±2,5
±2
±1
%FSO
%FSO
%FSO
Di
DO
Ert
Er
El
RL
11
1,5
±0,05
±0,1
15
bit
bit
ms
% FSO
% FSO
k
W
2
See spec. note
9
12), 13)
±0,3
∞
g
info
DS D4000/C
Datasheet
September, 2012
4/7
Specification notes
1)
2)
3)
4)
5)
6)
7)
8)
Over pressure is the maximum pressure which may be applied without causing damage to the sensing element.
Burst pressure is the maximum pressure which may be applied without causing leakage damage to the sensing element.
Analog output signal is ratiometric to power supply Vcc, digital signal is not ratiometric to the power supply.
Offset voltage is the voltage output at zero pressure.
Full scale output is the voltage output at full pressure range.
Full scale span is the algebraic difference between the output at full scale pressure range and offset.
Digital output signal (temperature) is not ratiometric to power supply Vcc. Temperature data are read directly on the sensing element.
Accuracy includes all effects (offset, span, nonlinearity, pressure hysteresis and repeatability) at room temperature and represents
maximum deviation of transducer signal from ideal characteristic.
9) Total accuracy includes all effects (offset, span, nonlinearity, pressure hysteresis and repeatability) included with all temperature
effects of offset and span. It describes overall error and represents maximum deviation of transducer signal from ideal characteristic
in compensated temperature range from 0 to 70°C.
10) Repeatability is defined as typical deviation of the output signal after 10 pressure cycles.
11) Nonlinearity is defined as the BFSL (best fit straight line) across entire pressure range.
12) Media compatibility: on pressure port P1: clean, dry and noncorrosive gases to silicon, RTV, ceramics Al2O3, gold, epoxy, polymer.
13) Media compatibility: on pressure port P2: noncorrosive gases or liquids to RTV, ceramics Al2O3, epoxy, polymer.
I2C communication
General description
HPSD 4000 pressure transducer have I2C communication availability. When this device is connected
to bidirectional I2C digital bus, the digital readouts with resolution up to 15 bits of pressure (1st and
2nd byte) and temperature (3rd and 4th byte) can be read from serial register of the internal ASIC.
HPSD 4000 works as a slave configured device which replies to the requests from the master
(normally microcontroller). The I2C bus is controlled from the master which generates START and
STOP conditions.
Digital I2C interface
States descriptions:
Idle period: the bus is free when both data line (SDA) and clock line (SCL) are HIGH.
START condition (S): is generated in transition of SDA line from HIGH(H) to LOW(L) when SCL
line (clock) is HIGH. It can be only generated by the master. Each data request needs to starts with
START condition.
info
1) PINS STRAIGHT:
2) PINS CURVED:
DS D4000/C
Datasheet
September, 2012
5/7
STOP condition (P): is generated in transition of SDA line from LOW(H) to HIGH(L) when SCL line
(clock) is HIGH. It can be only generated by the master. Each data request needs to end with STOP
condition.
DATA valid (D): Data is transmitted in bytes (8 bits) starting with pressure data (2 bytes) with the
MSB (most significant bit) first and followed by 2 bytes of temperature data with MSB first. Each data
bit is transferred with each clock pulse. Valid data are presented after start condition when data line
is stable during HIGH clock is generated. SDA changes must be done while clock is LOW.
ACKNOWLEDGE (A): Information data are transferred in bytes (8 bits) on data bus with MSB first.
After receiving of each byte master or slave must pull down SDA line to LOW as acknowledge for
receiving the data. For that reason master must generate an extra clock. If acknowledge is missed
slave becomes inactive, which means that master must either repeat last command or to generate
STOP condition.
SLAVE address: Default slave address of HPSD 4000 devices are factory calibrated to 0x78.
According to I2C specification there are 127 different addresses available, which give possibility for
multi-slave communication where the user can connect up to 127 devices with unique addresses
to the same I2C bus. After generating START condition master sends address containing 7 bits
followed by a R/W (read=”1”, write=”0”).
I2C communication protocol:
info
S STRAIGHT:
2) PINS CURVED:
DS D4000/C
Datasheet
Parameter
Input HIGH level
Input LOW level
Output LOW level
Pull up resistor
Clock frequency SCL
Load capacitance (SDA)
Input capacitance
1) PINS STRAIGHT:
(SCL/SDA)
Min.
90
0
700
100
Both I2C lines have to be
connected to VCC with pull up
resistors (recommended 4,7 k
ohms), additional serial resistors
300 ohms recommended also
Pressure (optional).
Pressure
Pressure
range
010M
020M
050M
400
400
Unit
%Vcc
%Vcc
%Vcc
Ω
kHz
pF
10
pF
type
D
direction
0
A
B
N
Pinout
6/7
2) PINS CURVED:
Pressure
tube
S
C
Parameter
Input HIGH level
Input LOW level
Output LOW level
Pull up resistor
Clock frequency SCL
Input capacitance
(SCL/SDA)
100M
350M
001B
002B
004B
007B
Pressure type
Differential
bar
A
Absolute (for p≥1 bar)
bar
mbar
mbar
ar
Max.
100
10
10
Pressure
port
P
D
ar
I2C application circuit:
bar
ar
I2C interface parameters:
Output
GND
SDA
SCL
OUT
1
N/C
IN
ar
September, 2012
Pressure direction
0
0 to press. range
Pin number
1
2
3
4
Pins 5
6
S Straight
range (biderectional)
700
100
M
1
4
4
Output
GND
SDA
SCL
OUT
1
N/C
IN
1
– PinCurved
5 must be left unconnected
C
Transducer
Pressure
type
range
HPSD 4000
010M
Pressure
type
D
Pressure
direction
0
020M
A notice. Hyb d.o.o.B
This information applies to a product under development. Its characteristics and specifications
are subject to change without
assumes no obligation
future
manufacture unless otherwise agreed to in writing. Copyright © Hyb d.o.o., 2010. All rights researved.
-press regarding
range to
+press.
B
Min.
90
0
050M
100M
Pressure port
350M
P
Positive pressure on P1
001B
N
Positive pressure on P2
002B
004B
007B
info
Pres
p
DS D4000/C
Datasheet
Outline
dimensions
1) PINS STRAIGHT:
1) PINS STRAIGHT:
Pin number
Pin number
Output
Pin number
Output
1 GND
1
1
GND
2 SDA
2
2
SDA
3 SCL
3
3
SCL
4 OUT
4
4
OUT
1
5
15 N/C
5
N/C
6 IN
6
6
IN
Ordering guide
September, 2012
Min.
Max.
ParameterParameter
Min.
Max.
Unit
Parameter
Min.
Max.
Unit
90
100
Input HIGHInput
level HIGH level
90
100
%V
cc
2)
PINS CURVED:
Input HIGH level
90
100
%Vcc
0
10cc
Input LOW Input
level LOW level
0
10
%V
2) PINS
Input LOW level
0
10 CURVED:
%Vcc
Output
10cc
Output LOW
level LOW level
10
%V
Output LOW level
10
%Vcc
Pull up resistor
700
Pull up resistor
700
Ω
Pull up resistor
700
Ω
Clock SCL
frequency SCL100
100
400
Clock frequency
400
kHz
Clock frequency SCL
100
400
kHz
Load capacitance
(SDA)
400
Load capacitance
(SDA)
400
pF
400
pF
Input capacitance
Input capacitance
10
10
pF
Input capacitance
(SCL/SDA)(SCL/SDA)
10
pF
(SCL/SDA)
7/7
Unit
%Vcc
%Vcc
%Vcc
Ω
kHz
pF
pF
Output
GND
SDA
SCL
OUT
1
N/C
IN
Transducer
Transducer
Pressure Pressure
Pressure Pressure
Pressure Pressure
Pressure Pressure
Pressure Pressure
Transducer
Pressure
Pressure
Pressure
type range Pressure
range type
type
direction
port tube
tube
type
direction Pressure
port
type
range
type
direction
port
tube
010M D
D
0
P
S
HPSD 4000HPSD 4000
010M
0
P
S
HPSD 4000
010M
D
0
P
S
020M A
A
B
N
C
020M
B
N
C
020M
A
B
N
C
050M
050M
050M
100M
100M
100M
350M
350M
350M
001B
001B
001B
002B
002B
002B
004B
004B
004B
007B
007B
007B
Pressure range
Pressure range
Pressure range
010M
010M
10
mbar 10 mbar
010M
10 mbar
020M
020M
20
mbar 20 mbar
020M
20 mbar
050M
050M
50
mbar 50 mbar
050M
50 mbar
100M
100M
100
mbar 100 mbar
100M
100 mbar
350M
350M
350
mbar 350 mbar
350M
350 mbar
001B
1 bar
001B
1 bar
001B
1 bar
002B
2 bar
002B
2 bar
002B
2 bar
004B
4 bar
004B
4 bar
004B
4 bar
007B
7 bar
007B
7 bar
007B
7 bar
Pins
Pins
Pressure type
Pressure type
Pins
Pressure type
S StraightS Straight
D Differential
D Differential
S Straight
D Differential
A (for
Absolute
(for p≥1 bar)C CurvedC Curved
A Absolute
p≥1 bar)
C Curved
A Absolute (for p≥1 bar)
Pressure direction
Pressure direction
Pressure direction
0 0range
to press. range
0 0 to press.
0 0 to press. range
-press
range to +press.
-press range
to +press.
Bto +press.
B
-press
range(biderectional)
range
B
Pressure port
Pressure port
Pressure port
Positiveonpressure
on P1
P PositivePpressure
P1
P Positive pressure on P1
Positiveonpressure
on P2
N PositiveNpressure
P2
N Positive pressure on P2
Other configurations possible on special request.
info

HPSD 4000 Pressure Transducer

Transcription

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