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STMicroelectronics |
LIS1R02 (L6671)
s HIGH SENSITIVITY 2.5 rad/sec2
s 8 BIT A/D CONVERTER
s 800 Hz BANDWIDTH
s 200 rad/sec2 FULL SCALE VALUE
s DIGITAL DOWNSAMPLING
s DIGITAL FILTERING
s 3.3V 3WIRES SERIAL INTERFACE
(5V TOLLERANCE)
s EMBEDDED PLL
ANGULAR ACCELEROMETER
PRODUCT PREVIEW
SO24
ORDERING NUMBER: LIS1R02
DESCRIPTION
The LIS1R02 is a complete rotational accelerometer
system based on a Σ∆ architecture, followed by a
digital downsampling block and a digital filter, featur-
ing high sensitivity, 800 Hz signal bandwidth and a
complete serial port interface for a direct connection
BLOCK DIAGRAM
to microprocessor environment. An embedded PLL
allows internal clock generation from an external syn-
chronization signal.
SENSOR
A/D
CONVERTER
DIGITAL
FILTER
Clk-IN
PLL
SER.
IFC
SPE
SPD
SPC
D02IN1363
April 2002
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/11
LIS1R02 (L6671)
PIN FUNCTION
N°. Pin
Name
1 to 6
GND
7 Vdd_Analog
8 Ref_Cap
9 HV_Eprom
10 Vdd_Digital
11 SPC
12 SPD
19 to 24
GND
13 SPE
14 CLK_In
15 Gnd_Digital
16 Funct_Test
17 Test_ST
18 Gnd_Analog
(*) Must be shorted to Pin 10
(**) Must be shorted to Pin 7
Function Typ.
Ground
Analog Voltage Supply
Reference Voltage Bypass
EPROM Programming Voltage (test mode only)
Digital Voltage Supply
Serial Port Clock Signal
Serial Port Data Signal
Ground
Serial Port Enable Signal
External Clock / PLL Reference Input
Digital Ground Pin
Self Test
Test Pin
Analog Ground Pin
Condition
5V Typ. (*)
Tied to GND
5V Typ. (**)
Tied to GND
PIN CONNECTIONS (Top view)
GND
GND
GND
GND
GND
GND
VDD_ANALOG
REF_CAP
HV_EPROM
VDD_DIGITAL
SPC
SPD
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
D02IN1362
GND
GND
GND
GND
GND
GND
GND_ANALOG
TEST_ST
FUNCT_TEST
GND_DIGITAL
CLK_IN
SPE
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