DLVR-L02D-E1NJ-C-N45F datasheet, PDF

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DLVR-L02D-E1NJ-C-N45F: DescriptionDifferential, Rectangular, Surface Mount, SMT-8; CategoryThe sensor; File Size2MB，18 Pages; ManufacturerAmphenol; Websitehttp://www.amphenol.com/

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DLVR-L02D-E1NJ-C-N45F Overview

Differential, Rectangular, Surface Mount, SMT-8

DLVR-L02D-E1NJ-C-N45F Parametric

Parameter Name	Attribute value
Objectid	145155940897
Reach Compliance Code	unknown
YTEOL	5.95
body width	12.7 mm
body height	7.17 mm
Body length or diameter	15.75 mm
Linearity(%)	0.25 %
Installation features	SURFACE MOUNT
Number of digits	14
Output interface type	I2C INTERFACE
Output type	DIGITAL OUTPUT
Package Shape/Form	RECTANGULAR
Pressure sensing mode	DIFFERENTIAL
Response time	1100 µs
Sensor/temperature sensor type	PRESSURE SENSOR,PIEZORESISTIVE
Maximum supply voltage	5.25 V
Minimum supply voltage	4.75 V
surface mount	YES
Termination type	SOLDER

DLVR-L02D-E1NJ-C-N45F Preview

DLVR Series Low Voltage Digital Pressure Sensors

Features

• 0.5 to 60 inH2O Pressure Ranges

• 3.3V Supply Voltage Standard / 5V Option

• I2C Standard Interface / SPI Interface Option

• Better than 1.0% Accuracy Over Temperature Typical

Applications

• Medical Breathing

• Environmental Controls

• HVAC

• Industrial Controls

• Portable/Hand-Held Equipment

General Description

The DLVR Series Mini Digital Output Sensor is based on All Sensors’ CoBeam

2 TM

Technology. This reduces package stress

susceptibility, resulting in improved overall long term stability. The technology also vastly improves position sensitivity

compared to single die devices.

The supply voltage options ease integration of the sensors into a wide range of process control and measurement sys-

tems, allowing direct connection to serial communications channels. For battery-powered systems, the sensors can enter

very low-power modes between readings to minimize load on the power supply.

These calibrated and compensated sensors provide accurate, stable output over a wide temperature range. This series

is intended for use with non-corrosive, non-ionic working fluids such as air, dry gases and the like. A protective parylene

coating is optionally available for moisture/harsh media protection.

Standard Pressure Ranges

Device

DLVR-F50D

DLVR-L01D

DLVR-L02D

DLVR-L05D

DLVR-L10D

DLVR-L20D

DLVR-L30D

DLVR-L60D

DLVR-L01G

DLVR-L02G

DLVR-L05G

DLVR-L10G

DLVR-L20G

DLVR-L30G

DLVR-L60G

Operating Range

inH2O

± 0.5

±1

±2

±5

± 10

± 20

± 30

± 60

0 to 1

0 to 2

0 to 5

0 to 10

0 to 20

0 to 30

0 to 60

Proof Pressure

125

250

500

inH2O

100

200

100

200

kPa

Burst Pressure

inH2O

300

500

800

300

500

800

kPa

125

200

125

200

Nominal Span

Counts

±6,553

13,107

1,250

2,500

5,000

7,500

15,000

250

500

1,250

2,500

5,000

7,500

15,000

Note A: Operating range in Pa is expressed as an approximate value.

Pressure Sensor Maximum Ratings

Supply Voltage (Vs)

Common Mode Pressure

Lead Temperature (soldering 2-4 sec.)

6 Vdc

10 psig

270 °C

Environmental Specifications

Temperature Ranges

Compensated:

Operating

Storage

Humidity Limits (non condensing)

Commercial

Industrial

0°C

to 70°C

-20°C to 85°C

-25°C to 85 °C

-40°C to 125 °C

0 to 95% RH

All Sensors

DS-0300 Rev E

Page 1

16035 Vineyard Blvd. Morgan Hill, CA 95037

408 225 4314

408 225 2079

www.allsensors.com

all sensors

Performance Characteristics for DLVR Series - Commercial and Industrial Temperature Range

ll pArAmeters Are meAsured At

3.3V ±5%

5.0V ±5% (

depending on selected VoltAge option

)

excitAtion And

25°c

unless otherwise specified

. p

ressure

meAsurements Are with positiVe pressure Applied to

port B.

Parameter

Output Span

LxxD, FxxD

LxxG

Min

Typ

±6,553

13,107

8,192

1,638

±0.60

±0.50

±0.30

±0.5

±0.2

±0.5

±0.2

±0.25

±0.15

±0.10

±0.05

±0.25

±0.15

±0.30

±0.25

±0.10

0.40

1.10

0.40

1.30

6.5

3.5

3.6

0.72

0.5

5.0

5.2

1.1

0.5

Max

Units

Dec count

Notes

Offset Output @ Zero Diff. Pressure

LxxD, FxxD

LxxG

6.0 + 1 update period

±1.5

±1.0

±0.75

0.50

1.40

1.0

3.1

9.5

4.3

4.5

0.90

5.0

6.0

6.2

1.3

5.0

Dec count

Total Error Band

F50D

L01x, L02x

L05x, L10x, L20x, L30x, L60x

%Span

Span Temperature Shift

F50D, L01x, L02x

L05x, L10x, L20x, L30x, L60x

%FSS

Offset Temperature Shift

F50D, L01x, L02x

L05x, L10x, L20x, L30x, L60x

%FSS

Offset Warm-up Shift

F50D, L01x, L02x

L05x, L10x, L20x, L30x, L60x

%FSS

Offset Position Sensitivity (±1g)

F50D, L01x, L02x

L05x, L10x, L20x, L30x, L60x

%FSS

Offset Long Term Drift (One Year)

F50D, L01x, L02x

L05x, L10x, L20x, L30x, L60x

%FSS

Linearity, Hysteresis Error

F50D

LxxD

LxxG

%FSS

Response Delay

Sleep - Wake Pressure

Sleep - Wake All

Power-On to First Reading Attempt

5, 9

Update Rate

Fast

Noise Reduced

Low Power

Digital Resolution

Output Resolution

No Missing Codes

bit

Temperature Output

Resolution

Overall Accuracy

bit

°C

Current Requirement (3.3V Option)

Fast

Noise Reduced

Low Power

Sleep (Idle)

Current Requirement (5.0 Option)

Fast

Noise Reduced

Low Power

Sleep (Idle)

See following page for performance characteristics table notes

DLVR Series Low Voltage Digital Pressure Sensors

Page 2

I2C / SPI Electrical Parameters for DLVR Series

Parameter

Input High Level

Input Low Level

Output Low Level

I2C Pull-up Resistor

Symbol

SDA

I2C_IN

Min

80.0

1000

Typ

Max

100

20.0

10.0

200

10.0

Units

% of Vs

Ω

Notes

5,8

I2C Input Capacitance (each pin)

Specification Notes

note

DLVR Transfer

Functions

1: the spAn is the AlgeBrAic difference Between full scAle decimAl counts And the offset decimAl counts. the full scAle pressure is the

NOTE 1: Pressure Output Transfer Function:

mAximum positiVe cAliBrAted pressure.

Where,

Is the

sensor

14 bit digital

output.

Is the speciﬁed digital

oﬀset

(gage = 1,638 and

diﬀerential

= 8,192)

Is the

sensor

Full Scale Span in inH2O (gage = Full Scale Pressure, diﬀerential = 2

x Full Scale Pressure)

note

2: totAl error BAnd consists of offset And spAn temperAture And cAliBrAtion errors, lineAritY And pressure hYsteresis errors, offset wArm-up shift,

note

3: shift is relAtiVe to 25c.

5: pArAmeter is chArActeriZed And not 100% tested.

7: temperAture output conVersion function:

4: shift is within the first hour of excitAtion Applied to the deVice.

6: meAsured At one-hAlf full scAle rAted pressure using Best strAight line curVe fit.

note

8: A pull-up resistor is reQuired for correct i2c usAge. the minimum VAlue indicAted is for 5.0V or 3.3V operAtion.

following sensor power-up, the ApplicAtion must wAit At leAst the indicAted time Before Attempting to communicAte with the sensor.

note

SCL

I2C

SDA

INT

Gnd

SPI

Option

SCLK

MISO

Gnd

All Sensors

DS-0300 Rev E

Page 3

16035 Vineyard Blvd. Morgan Hill, CA 95037

Equivalent Circuit

408 225 4314

200

(℃) =

½ −

−

408 225 2079

offset position sensitiVitY And long term offset drift errors.

NOTE 2: Temperature Output Transfer Function:

200

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I2C Load Capacitance on SDA, @ 400 kHz

Device Options

The following is a list of factory programmable options. Consult the factory to learn more about the options.

Interface

I2C and SPI interfaces are available. NOTE: SPI interface is only available with eight (8) lead packages.

Supply Voltage

Devices are characterized at either 3.3V or 5.0V depending on the options selected. It is suggested to select

the option that most closely matches the application supply voltage for best possible performance.

Speed/Power

There are four options of Speed/Power. These are Fast(F), Noise Reduced(N), Low Power(L) and Sleep mode(S).

Fast Mode(F) Is the fastest operating mode where the device operates with continuous sampling at the

fastest internal speed.

Noise Reduced(N): Also operates with continuous samples however the ADC is set for over sampling

for noise reduction. The conversion times are resultantly longer than the Fast(F) mode however, there is

approximately 1/2 bit reduction in noise.

Low Power(L): Is similar to the Fast(F) mode with exception that the device uses an internal timer to

delay between pressure conversions. The internal timer time-out triggers the next conversion cycle. The

update rate is commensurately lower for this mode as a result.

Sleep(S): Is similar to the Low Power(L) mode however the trigger to initiate a sample comes from the

user instead of an internal timer. This is ideal for very low update rate applications that requirelow

power usage. It is also ideal for synchronizing the data conversions with the host microprocessor.

Coating

Parylene Coating: Parylene coating provides a moisture barrier and protection form some harsh media. Con-

sult factory for applicability of Parylene for the target application and sensor type. This option is not available

for pressure ranges below 10 inH2O.

DLVR Series Low Voltage Digital Pressure Sensors

Page 4

Operation Overview

The DLVR is a digital sensor with a signal path that includes a sensing element, a 14 bit analog to digital con-

verter, a DSP and an IO block that supports either an I2C or SPI interface (see Figure 1 below). The sensor also

includes an internal temperature reference and associated control logic to support the configured operating mode.

The sensing element is powered down while not being sampled to conserve power. Since there is a single ADC,

there is also a multiplexer at the front end of the ADC that selects the signal source for the ADC.

Figure 1 - DLVR Essential Model

Zero

Sensor

Sample

rawP/

rawT

Over

Sample

Enable

Pressure

DSP

Temperature

I/O

I2C/SPI

P/T/Z

Select

Control

Logic

Wake

Gnd

The DSP receives the converted pressure and temperature information and applies a multi-order transfer function

to compensate the pressure output. This transfer function includes compensation for span, offset, temperature ef-

fects on span, temperature effects on offset and second order temperature effects on both span and offset. There is

also linearity compensation for gage devices and front to back linearity compensation for differential devices.

There are two effective operating modes of the sensor 1) Free Running and 2) Triggered. The control logic performs

the synchronization of the internal functions according the factory programmed Power/Speed option (see Table

1). The Control Logic also determines the Delay between ADC samples, the regularity of the Special cycles and

whether or not the ADC performs the Over Sampling. Refer to Figure 2 for the communication model associated

with the operating modes listed below.

Free Running Mode: In the free running mode, conversion cycles are initiated internally at regular intervals.

There are three options available that operate in the Free Running mode (F, N and L). Two of these (F and N)

run continuously while the third option (L) has an approximate 6 ms delay between conversion cycles. All

three options have Special cycles inserted at regular intervals to accomplish the ADC zeroing and temperature

measurements. Two of the options utilize oversampling. Refer to Table 1 for specific option controls.

Triggered Mode: In the Triggered Mode, a conversion cycle is initiated by the user (or host uP). There are two

available methods to wake the sensor from sleep mode. The first method (Wake All) is to wake the sensor and

perform all three measurement cycles (Z, T and P). This provides completely fresh data from the sensor. The

second method (Wake P) is to wake the sensor from sleep and only perform the pressure measurement (P).

When using this second method, it is up to the user to interleave Wake All commands at regular intervals to

ensure there is sufficiently up to date temperature information. Also, the Wake Pressure method is only avail-

able from the I2C interface (not available using a SPI interface).

All Sensors

DS-0300 Rev E

Page 5

16035 Vineyard Blvd. Morgan Hill, CA 95037

408 225 4314

408 225 2079

The ADC performs conversions on the raw sensor signal (P), the temperature reference (T) and a zero reference (Z)

during an ADC zero cycle. It also has an oversampling mode for a noise reduced output. A conversion cycle that is

measuring pressure is called a Normal cycle. A cycle where either a temperature measurement or zeroing is being

performed is called a Special cycle.

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