北京億優(yōu)八方科技發(fā)展有限公司
010-59457569 13552834074
MS5803-01BA
Miniature Variometer Module
? High resolution module, 10cm
? Fast conversion down to 1 ms
? Low power, 1 μA (standby < 0.15 μA)
? Integrated digital pressure sensor (24 bit ?Σ ADC)
? Supply voltage 1.8 to 3.6 V
? Operating range: 10 to 1300 mbar, -40 to +85 °C
? I2C and SPI interface up to 20 MHz
? No external components (Internal oscillator)
? Excellent long term stability
? Hermetically sealable for outdoor devices
DESCRIPTION
The MS5803-01BA is a new generation of high resolution altimeter sensors from Measurement Specialties with
SPI and I2C bus interface. It is optimized for altimeters and variometers with an altitude resolution of 10 cm. The
sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ?Σ 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 an altimeter/thermometer function without any
additional sensor. The MS5803-01BA can be interfaced to virtually any microcontroller. The communication
protocol is simple, without the need of programming internal registers in the device. The gel protection and
antimagnetic stainless steel cap allows the use in 100m waterproof altimeter/compass watches. This new
sensor module generation is based on leading MEMS technology and latest benefits from MEAS proven
experience and know-how in high volume manufacturing of altimeter modules, which have been widely used for
over a decade. The sensing principle employed leads to very low hysteresis and high stability of both pressure
and temperature signal.
FEATURES
FIELD OF APPLICATION TECHNICAL DATA
? Mobile altimeter / barometer systems Sensor Performances (V = 3 V)
DD
? Bike computers Pressure Min Typ Max Unit
? Adventure or multi-mode watches Range 10 1300 mbar
? Variometers ADC 24 bit
? Dataloggers Resolution (1) 0.065 / 0.042 / 0.027 mbar
/ 0.018 / 0.012
Accuracy 25°C,
FUNCTIONAL BLOCK DIAGRAM -1.5 +1.5 mbar
750 to 1100 mbar
Accuracy -20°C to + 85°C,
VDD -2.5 +2.5 mbar
300 to 1100 mbar (2)
PS 0.5 / 1.1 / 2.1 / 4.1 /
Meas. MUX CSB Response time ms
SENSOR +IN InD ti eg ri ft aa cl e SDI/SDA 8.22
-IN PGA ADC Fd ilig te. r SS CD LO K Long term stability -1 mbar/yr
Temperature Min Typ Max Unit
Sensor Memory
Interface IC (PROM) Range -40 +85 °C
128 bits
SGND
Resolution <0.01 °C
GND
Accuracy -0.8 +0.8 °C
Notes: (1) Oversampling Ratio: 256 / 512 / 1024 / 2048 / 4096
(2) With autozero at one pressure point
1/16北京億優(yōu)八方科技發(fā)展有限公司
010-59457569 13552834074
MS5803-01BA
Miniature Variometer Module
PERFORMANCE SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Conditions Min. Typ. Max Unit
Supply voltage V -0.3 +4.0 V
DD
Storage temperature T -40 +125 °C
S
Overpressure P 100 m, ISO2281 10 bar
max
Maximum Soldering
T 40 sec max 250 °C
Temperature max
Human Body
ESD rating -4 +4 kV
Model
JEDEC standard
Latch up -100 +100 mA
No 78
ELECTRICAL CHARACTERISTICS
Parameter Symbol Conditions Min. Typ. Max Unit
Operating Supply voltage V 1.8 3.0 3.6 V
DD
Operating Temperature T -40 +25 +85 °C
OSR 4096 12.5
2048 6.3
Supply current
I 1024 3.2 μA
(1 sample per sec.) DD
512 1.7
256 0.9
Peak supply current during conversion 1.4 mA
Standby supply current at 25°c 0.02 0.14 μA
VDD Capacitor From VDD to GND 100 nF
ANALOG DIGITAL CONVERTER (ADC)
Parameter Symbol Conditions Min. Typ. Max Unit
Output Word 24 bit
OSR 4096 7.40 8.22 9.04
2048 3.72 4.13 4.54
Conversion time t 1024 1.88 2.08 2.28 ms

您好，高分辨率數(shù)字氣壓傳感器MS5803-01BA是一種精密的電子設(shè)備，主要用于測(cè)量和監(jiān)測(cè)環(huán)境中的大氣壓力。這款傳感器的主要特點(diǎn)是： 1. 高分辨率：它能夠提供非常精確的壓力讀數(shù)，通常在毫巴（mbar）級(jí)別，這使得它適用于對(duì)氣壓變化有高精度需求的應(yīng)用，如氣象觀測(cè)、航空航天、工業(yè)自動(dòng)化或智能家居。 2. 數(shù)字輸出：這意味著它會(huì)直接以數(shù)字信號(hào)的形式（如I2C或SPI接口）輸出測(cè)量結(jié)果，方便與微控制器等電子設(shè)備進(jìn)行通信，無(wú)需復(fù)雜的模擬信號(hào)處理。 3. MS5803系列：這表明它是Maxim Integrated公司的一款產(chǎn)品，該公司在傳感器技術(shù)方面享有良好聲譽(yù)。 4. -01BA型號(hào)：可能是該系列中的一個(gè)特定版本，可能包含了一些定制特性或者針對(duì)特定工作條件進(jìn)行了優(yōu)化。 總的來(lái)說(shuō)，如果您需要在一個(gè)環(huán)境中精確地監(jiān)控氣壓，這款MS5803-01BA傳感器將是您的理想選擇。如果您有關(guān)于它的安裝、使用或特定功能的問(wèn)題，請(qǐng)隨時(shí)告訴我，我會(huì)盡力幫助您。