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PDF MS5803-14BA Data sheet ( Hoja de datos )
| Número de pieza | MS5803-14BA | |
| Descripción | Miniature 14 bar Module | |
| Fabricantes | TE | |
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SENSOR SOLUTIONS ///MS5803-14BA
MS5803-14BA
Miniature 14 bar Module
SPECIFICATIONS
High resolution module, 0.2 mbar
Fast conversion down to 1 ms
Low power, 1 µA (standby < 0.15 µA)
Integrated digital pressure sensor (24 bit ΔΣ ADC)
Supply voltage 1.8 to 3.6 V
Operating range: 0 to 14 bar, -40 to +85 °C
I2C and SPI interface (Mode 0,3)
No external components (Internal oscillator)
Excellent long term stability
Hermetically sealable for outdoor devices
The MS5803-14BA is a new generation of high resolution
pressure sensors with SPI and I2C bus interface. It is optimized
for depth measurement systems with a water depth resolution of
1cm and below. The sensor module includes a high linear
pressure sensor and an ultra low power 24 bit ΔΣ ADC with
internal factory calibrated coefficients. It provides a precise digital
24 Bit pressure and temperature value and different operation
modes that allow the user to optimize for conversion speed and
current consumption. A high resolution temperature output allows
the implementation of a depth measurement systems and
thermometer function without any additional sensor. The MS5803-
14BA can be interfaced to any microcontroller. The
communication protocol is simple, without the need to
programming internal registers in the device. The gel protection
and antimagnetic stainless steel cap protects against 30 bar
overpressure water resistant. This new sensor module generation
is based on leading MEMS technology and latest benefits from the
Intersema’s proven experience and know-how in high volume
manufacturing of pressure modules have been widely used for
over a decade. This sensing principle employed leads to very low
hysteresis and high stability of both pressure and temperature
signal.
09/2015
Page 1
1 page  
MS5803-14BA
Miniature 14 bar Module
PERFORMANCE SPECIFICATIONS (CONTINUED)
DIGITAL INPUTS (PS, CSB, DIN, SCLK, SDA, SCL)
Parameter
Serial data clock
Serial data clock
Input high voltage
Input low voltage
Input leakage current
CS low to first SCLK rising
CS low from last SCLK falling
Symbol
SCLK
SCL
VIH
VIL
Ileak25°C
tCSL
tCSH
Conditions
SPI protocol
I2C protocol
Pins CSB
at 25°c
Min.
80% VDD
0% VDD
21
21
Typ.
Max
20
400
100% VDD
20% VDD
0.15
Unit
MHz
kHz
V
V
µA
ns
ns
PRESSURE OUTPUTS (DOUT, SDA, SCL)
Parameter
Output high voltage
Output low voltage
Load capacitance
Symbol
VOH
VOL
CLOAD
Conditions
Isource = 0.6 mA
Isink = 0.6 mA
Min.
80% VDD
0% VDD
Typ.
16
Max
100% VDD
20% VDD
Unit
V
V
pF
SENSOR SOLUTIONS ///MS5803-14BA
09/2015
Page 5
5 Page 
MS5803-14BA
Miniature 14 bar Module
SPI INTERFACE
RESET SEQUENCE
The Reset sequence shall be sent once after power-on to make sure that the calibration PROM gets loaded into
the internal register. It can be also used to reset the device ROM from an unknown condition
SCLK
01234567
CSB
SDI
SDO
2.8ms RELOAD
PS
Figure 5: Reset command sequence SPI mode 0
SCLK
CSB
SDI
SDO
PS
01234567
2.8ms RELOAD
Figure 6: Reset command sequence SPI mode 3
SENSOR SOLUTIONS ///MS5803-14BA
09/2015
Page 11
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet MS5803-14BA.PDF ] | |
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