LIS1R02

LIS1R02 (L6671) ANGULAR ACCELEROMETER PRODUCT PREVIEW s s s s s s s s HIGH SENSITIVITY 2.5 rad/sec2 8 BIT A/D CONVERTER 800 Hz BANDWIDTH 200 rad/sec2 FULL SCALE VALUE DIGITAL DOWNSAMPLING DIGITAL FILTERING 3.3V 3WIRES SERIAL INTERFACE (5V TOLLERANCE) EMBEDDED PLL 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, featuring 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 synchronization signal. SENSOR A/D CONVERTER DIGITAL FILTER SER. IFC SPE SPD SPC Clk-IN PLL 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 1 to 6 7 8 9 10 11 12 19 to 24 13 14 15 16 17 18 Name GND Vdd_Analog Ref_Cap HV_Eprom Vdd_Digital SPC SPD GND SPE CLK_In Gnd_Digital Funct_Test Test_ST Gnd_Analog 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 Tied to GND Tied to GND 5V Typ. (**) 5V Typ. (*) Function Typ. Condition (*) Must be shorted to Pin 10 (**) Must be shorted to Pin 7 PIN CONNECTIONS (Top view) GND GND GND GND GND GND VDD_ANALOG REF_CAP HV_EPROM VDD_DIGITAL SPC SPD 1 2 3 4 5 6 7 8 9 10 11 12 D02IN1362 24 23 22 21 20 19 18 17 16 15 14 13 GND GND GND GND GND GND GND_ANALOG TEST_ST FUNCT_TEST GND_DIGITAL CLK_IN SPE 2/11 LIS1R02 (L6671) ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value 7 7 -0.3 to VddDig + 0.3 Unit V V VddAnalog Max Maximum analog supply voltage VddDigital Max Maximum digital supply voltage Vin Voltage Range on SPC, SPE, SPD, CLK_In, Funct_Test ELECTRICAL CHARACTERISTCS Symbol DC VddAnalog Max Analog Supply Voltage VddDigital Max Digital Supply Voltage IddAnalog IddDigital Vref Voh Vol Vih Vil ADC ADC SNR (30-800Hz, 4.48MHz Ext.Clk) ADC SNR (30-10000Hz, 4.48MHz Ext.Clk) Phase error ADC Full Scale 30-800Hz (relative to a ref. Accelerometer) 35 15 38 20 -30 200 dB dB deg rad/ sec2 Hz dB Analog Circuitry Supply Current Digital Circuitry Supply Current Voltage on Ref_Cap pin (on SPD and Funct_Test) @ Ioh = 3mA 4.5 4.5 5.0 5.0 15 11 2.225 >2