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MS5541B の電気的特性と機能

MS5541BのメーカーはIntersemaです、この部品の機能は「MINIATURE 14 bar MODULE」です。


製品の詳細 ( Datasheet PDF )

部品番号 MS5541B
部品説明 MINIATURE 14 bar MODULE
メーカ Intersema
ロゴ Intersema ロゴ 




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MS5541B Datasheet, MS5541B PDF,ピン配置, 機能
MS5541B (RoHS*) MINIATURE 14 bar MODULE
Integrated pressure sensor 6.2x6.4 mm
Pressure range 0 - 14 bar (200 PSI)
15 Bit ADC
6 coefficients for a software compensation stored
on-chip
3-wire serial interface
1 system clock line (32.768 kHz)
Low voltage / low power
RoHS-compatible & Pb-free*
DESCRIPTION
The MS5541B is the miniature version of the popular MS5535B pressure sensor module. It contains a precision
piezoresistive pressure sensor and an improved version of the 15 Bit Micropower Sensor interface IC known
from the MS5535B. Compared to the MS5535A the temperature range has been improved (-40 to +85°C).
Other improvements concern the ESD sensitivity, current consumption and converter accuracy. In addition to
this the MS5541B is from its outer dimensions compatible to the MS54xx series of pressure sensors. It uses an
antimagnetic polished stainless steel ring for sealing with O-ring. The sensor provides 15 Bit pressure and
temperature data via a 3 wire serial interface that can be easily interfaced with 4 Bit low power microcontrollers.
64 Bit of factory programmed PROM provides calibration data for a highly accurate pressure and temperature
calculation. The MS5541B is fully software compatible to the MS5535B and MS5535A.
FEATURES
Resolution 1.2 mbar
Supply voltage 2.2 V to 3.6 V
Operating current < 5uA
Standby current < 0.1uA
-40°C to +85°C
APPLICATIONS
Small size 6.2x6.4 mm
No external components required
Diving computers and divers watches
Mobile water depth measurement systems
BLOCK DIAGRAM
SENSOR +IN
-IN
SGND
Input MUX
ADC
dig.
Filter
Sensor
Interface IC
Digital
Interface
Memory
(PROM)
64 bits
VDD
MCLK
DIN
DOUT
SCLK
GND
Fig.: 1 Block Diagram 5541B
* The European RoHS directive 2002/95/EC (Restriction of the use of certain Hazardous Substances in electrical and electronic
equipment) bans the use of lead, mercury, cadmium, hexavalent chromium and polybrominated biphenyls (PBB) or polybrominated
diphenyl ethers (PBDE).
DA5541B_005.doc
00005541766 ECN865
September 25th, 2006
1

1 Page





MS5541B pdf, ピン配列
RECOMMENDED OPERATING CONDITIONS
Parameter
Operating pressure range
Supply voltage
Supply current,
Average (1)
during conversion (2)
standby (no conversion)
Current consumption into
MCLK (3)
Operating temperature
Range
Conversion time (15 Bit)
External clock signal (4)
Duty cycle of MCLK
Serial data clock
Symbol
p
VDD
Iavg
ISC
Iss
Ta
Tconv
MCLK
SCLK
Conditions
VDD = 3.0 V
MCLK=32768Hz
MCLK=32768Hz
(T=25°C, VDD=3.0V unless noted otherwise)
Min. Typ. Max
Unit
0 14 bar
2.2 3.0 3.6
V
4
1
0.1
0.5
-40 +25 +85
30000
40/60
32768
50/50
35
35000
60/40
500
µA
mA
µA
µA
°C
ms
Hz
%
kHz
NOTES
1) Under the assumption of one conversion every second. Conversion means either a pressure or a
temperature measurement started by a command to the serial interface of MS5541B.
2) During conversion the sensor will be switched on and off in order to reduce power consumption; the total on
time within a conversion is about 2ms.
3) This value can be reduced by switching off MCLK while MS5541B is in standby mode.
4) It is strongly recommended that a crystal oscillator be used because the device is sensitive to clock jitter. A
square-wave form of the clock signal is a must.
DA5541B_005.doc
00005541766 ECN865
September 25th, 2006
3


3Pages


MS5541B 電子部品, 半導体
TYPICAL PERFORMANCE CURVES
30000
ADC-value D1 vs Pressure (typical)
25000
20000
15000
85°C
25°C
-40°C
10000
0
2000
4000
6000
8000
Pressure (mbar)
10000
12000
40000
35000
30000
25000
20000
15000
-40
ADC-value D2 vs Temperature (typical)
-20 0 20 40 60
Temperature (°C)
80
DA5541B_005.doc
00005541766 ECN865
September 25th, 2006
6

6 Page



ページ 合計 : 18 ページ
 
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共有リンク

Link :


部品番号部品説明メーカ
MS5541-30C

MINIATURE 30 bar MODULE

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MS5541-30C

Miniature 30 bar Module

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MS5541B

MINIATURE 14 bar MODULE

Intersema
Intersema
MS5541C

Miniature 14 bar Module

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