BMA020 Bosch Sensortec, BMA020 Datasheet - Page 28

• Manufacturer Part Number: BMA020
• Description: 3-AXIS ACCELEROMETER DIGITAL I/F
• Manufacturer: Bosch Sensortec

Specifications of BMA020

• Axis: X, Y, Z
• Acceleration Range: ± 2g, 4g, 8g
• Sensitivity: 256LSB/g, 128LSB/g, 64LSB/g
• Voltage - Supply: 2 V ~ 3.6 V
• Output Type: Digital
• Bandwidth: 3kHz
• Interface: I²C, SPI
• Mounting Type: Surface Mount
• Package / Case: 12-LGA
• For Use With: 828-1014 - BMA020 TRIBOX DEMO BOARD W/USB828-1008 - BMA020 DAUGHTERCARD FOR DEV KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 828-1000-2

Table 10: Specification of three-wire SPI serial interface
Input - low level
Input - high level
Output – low level
Output – high level
CSB pull-up resistor
Load capacitor
(on SDO)
3-wire SPI timings :
SPI clock
input frequency
SCK low pulse
SCK high pulse
SDI setup time
SDI hold time
SDI output delay
CSB setup time
CSB hold time
Rev. 1.2
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as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
Vil_si
Vih_si
Vol_SDI
Voh_SDI
CSB_pull_up
Csdo_spi
Fspi_3
Tlow_sck_3
Thigh_sck_3
Tsetup_sdi_3
Thold_sdi_3
Tdelay_sdi_3
Tsetup_csb_3
Thold_csb_3
Digital, triaxial acceleration sensor
V
V
V
iol=3 mA
V
Internal pull-up
resistance to V
for 70MHz
SPI transfer
when SDI
is an output for read
DDIO
DDIO
DDIO
DDIO
Data sheet
BMA020
Page 28
Conditions
=1.62V to 3.6V
=1.62V to 3.6V
=1.8V,
=1.8V, ioh=1mA
DDIO
0.7*V
Min.
3.8
1.4
70
2
5
5
5
5
DDIO
Typ.
120
Bosch Sensortec
0.3*V
Max.
10.5
190
0.4
10
70
30 May 2008
DDIO
unit
MHz
kΩ
pF
ns
ns
ns
ns
ns
V
V
V
V
ns
ns