Measurement Specialties MS561101BA03-50

Reference Designs (8)

Attributes

Part Number
Datasheet
Prefix
U
Digikey Description
Digikey Part Number
Imported From Octopart
yes
Lead Free
Unknown
Mouser Part Number
Octopart Part Number
f79c3f533b21285b
RoHS
Unknown
Temperature Range High
Temperature Range Low

Pins

1
VDD
2
PS
3
GND
4
CSBn
5
CSBn
6
SDO
7
SDI/SDA
8
SCLK

Pricing

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Supplier Part Number # In Stock 11050100250500  
Newark (USD) 20X0212 3474 8.436.896.325.87 Buy Now
Component Distributors Inc. (USD) MS561101BA03-50 8594 6.755.92 Buy Now
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Datasheet Preview

MS5611-01BA03 Barometric Pressure Sensor, with stainless steel cap
DA5611-01BA03_011 www.meas-spec.com Oct. 26, 2012
000056111624 ECN1742 1/20
High resolution module, 10 cm
Fast conversion down to 1 ms
Low power, 1 µA (standby < 0.15 µA)
QFN package 5.0 x 3.0 x 1.0 mm
3
Supply voltage 1.8 to 3.6 V
Integrated digital pressure sensor (24 bit ΔΣ ADC)
Operating range: 10 to 1200 mbar, -40 to +85 °C
I
2
C and SPI interface up to 20 MHz
No external components (Internal oscillator)
Excellent long term stability
DESCRIPTION
The MS5611-01BA is a new generation of high resolution altimeter sensors from MEAS Switzerland with SPI
and I
2
C bus interface. This barometric pressure sensor 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 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 an
altimeter/thermometer function without any additional sensor. The MS5611-01BA can be interfaced to virtually
any microcontroller. The communication protocol is simple, without the need of programming internal registers in
the device. Small dimensions of only 5.0 mm x 3.0 mm and a height of only 1.0 mm allow for integration in
mobile devices. This new sensor module generation is based on leading MEMS technology and latest benefits
from MEAS Switzerland 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
DD
= 3 V)
Bike computers
Pressure
Min
Typ
Max
Unit
Variometers
Range
10
1200
mbar
Height sensing for medical alarms
ADC 24 bit
Indoor navigation
Resolution (1)
mbar
FUNCTIONAL BLOCK DIAGRAM
VDD
GND
PS
SCLK
SDO
SDI/SDA
Meas. MUX
ADC
Digital
Interface
Memory
(PROM)
128 bits
SENSOR
SGND
+IN
-IN
dig.
Filter
Sensor
Interface IC
PGA
CSB
Accuracy 25°C, 750 mbar -1.5 +1.5 mbar
Error band, -20°C to +85°C
450 to 1100 mbar (2)
-2.5 +2.5 mbar
Response time (1)
ms
Long term stability ±1 mbar/yr
Temperature Min Typ Max Unit
Range -40 +85 °C
Resolution <0.01 °C
Accuracy -0.8 +0.8 °C
Notes: (1) Oversampling Ratio: 256 / 512 / 1024 / 2048 / 4096
(2) With autozero at one pressure point
MS5611-01BA03 Barometric Pressure Sensor, with stainless steel cap
DA5611-01BA03_011 www.meas-spec.com Oct. 26, 2012
000056111624 ECN1742 2/20
PERFORMANCE SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Conditions
Min.
Typ.
Max
Unit
Supply voltage
V
DD
-0.3
+4.0
V
Storage temperature
T
S
-40
+125
°C
Overpressure
P
max
6
bar
Maximum Soldering
Temperature
T
max
40 sec max 250 °C
ESD rating
Human Body
Model
-4 +4 kV
Latch up
JEDEC standard
No 78
-100 +100 mA
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
Min.
Typ.
Max
Unit
Operating Supply voltage
V
DD
1.8
3.0
3.6
V
Operating Temperature
T
-40
+25
+85
°C
Supply current
(1 sample per sec.)
I
DD
OSR 4096
2048
1024
512
256
12.5
6.3
3.2
1.7
0.9
µA
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
Conversion time t
c
OSR 4096
2048
1024
512
256
7.40
3.72
1.88
0.95
0.48
8.22
4.13
2.08
1.06
0.54
9.04
4.54
2.28
1.17
0.60
ms
MS5611-01BA03 Barometric Pressure Sensor, with stainless steel cap
DA5611-01BA03_011 www.meas-spec.com Oct. 26, 2012
000056111624 ECN1742 3/20
PERFORMANCE SPECIFICATIONS (CONTINUED)
PRESSURE OUTPUT CHARACTERISTICS (V
DD
= 3 V, T = 25°C UNLESS OTHERWISE NOTED)
Parameter
Conditions
Min.
Typ.
Max
Unit
Operating Pressure Range
P
range
Full Accuracy
450
1100
mbar
Extended Pressure Range P
ext
Linear Range of
ADC
10 1200 mbar
Total Error Band, no autozero
at 25°C, 700..1100 mbar
at 0..50°C, 450..1100 mbar
at -20..85°C, 450..1100 mbar
at -40..85°C, 450..1100 mbar
-1.5
-2.0
-3.5
-6.0
+1.5
+2.0
+3.5
+6.0
mbar
Total Error Band, autozero at
one pressure point
at 25°C, 700..1100 mbar
at 10..50°C, 450..1100 mbar
at -20..85°C, 450..1100 mbar
at -40..85°C, 450..1100 mbar
-0.5
-1.0
-2.5
-5.0
+0.5
+1.0
+2.5
+5.0
mbar
Maximum error with supply
voltage
V
DD
= 1.8 V … 3.6 V ±2.5 mbar
Long-term stability
±1
mbar/yr
Recovering time after reflow (1)
7
days
Resolution RMS
OSR 4096
2048
1024
512
256
0.012
0.018
0.027
0.042
0.065
mbar
(1) Time to recovering at least 66% of the reflow impact
TEMPERATURE OUTPUT CHARACTERISTICS (V
DD
= 3 V, T = 25°C UNLESS OTHERWISE NOTED)
Parameter
Conditions
Min.
Typ.
Max
Unit
Absolute Accuracy
at 25°C
-20..85°C
-40..85°C
-0.8
-2.0
-4.0
+0.8
+2.0
+4.0
°C
Maximum error with supply
voltage
V
DD
= 1.8 V … 3.6 V ±0.5 °C
Resolution RMS
OSR 4096
2048
1024
512
256
0.002
0.003
0.005
0.008
0.012
°C
MS5611-01BA03 Barometric Pressure Sensor, with stainless steel cap
DA5611-01BA03_011 www.meas-spec.com Oct. 26, 2012
000056111624 ECN1742 4/20
PERFORMANCE SPECIFICATIONS (CONTINUED)
DIGITAL INPUTS (CSB, I
2
C, DIN, SCLK)
Parameter
Symbol
Conditions
Min.
Typ.
Max
Unit
Serial data clock
SCLK
SPI protocol
20
MHz
Input high voltage
V
IH
Pins CSB
80% V
DD
100% V
DD
V
Input low voltage
V
IL
0% V
DD
20% V
DD
V
Input leakage current
I
leak25°C
I
leak85°C
at 25°C 0.15 µA
PRESSURE OUTPUTS (I
2
C, DOUT)
Parameter
Symbol
Conditions
Min.
Typ.
Max
Unit
Output high voltage
V
OH
I
source
= 1.0 mA
80% V
DD
100% V
DD
V
Output low voltage
V
OL
I
sink
= 1.0 mA
0% V
DD
20% V
DD
V
Load capacitance
C
LOAD
16
pF