Specifications

BMA180
Preliminary data sheet
Bosch Sensortec
Rev. 1.0 Page 10 / - proprietary information - 06 March 2009
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as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Specifications within this document are preliminary and subject to change without notice. Document is not intended for publication.
Parameter Symbol Condition Min Typ Max Unit
Calibration Range of
Temperature Coef-
ficient of Sensitivity:
TCS
_range
Ref.-Temp
= 25°C
-0.0625 +0.0625 %/K
Temperature Coef-
ficient of Sensitivity
(as delivered)
x-/y-channel
TCS_xy
Ref.-Temp
= 25°C
±0.01 %/K
Temperature Coef-
ficient of Sensitivity
(as delivered)
z-channel
TCS_z
Ref.-Temp
= 25°C
±0.02 %/K
Zero-g Offset
trimming range (gain
settings = middle
code)
Trim_
Range_
Offset
in ±2g range,
scales with
1/range; T = 25°C,
V
DD
= 2.4V
-50000
-12.5
+50000
+12.5
LSB
ADC
g
Zero-g Offset (as
delivered, no offset-
tuning, no soldering)
Off_
initial
In ±2g range,
scales with
1/range; T = 25
°C, V
DD
= 2.4V
±60 LSB
ADC
Zero-g Offset (over
lifetime, no offset-
tuning)
Off_
initial_
lifetime
In ±2g range,
scales with
1/range; T = 25
°C, V
DD
= 2.4V
t.b.d LSB
ADC
Zero-g Offset (as
delivered, after offset-
fine-tuning; bit “11”)
Off_
fine
In ±2g range,
scales with
1/range; T = 25
°C, V
DD
= 2.4V
±12 LSB
ADC
Zero-g Offset over
lifetime (after offset-
fine-tuning; bit “11”)
Off_
fine_
lifetime
In ±2g range,
scales with
1/range; T = 25
°C, V
DD
= 2.4 V
t.b.d. LSB
ADC