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RT3000C Dataheets PDF



Part Number RT3000C
Manufacturers Richtek
Logo Richtek
Description 3-Axis Digital Accelerometer
Datasheet RT3000C DatasheetRT3000C Datasheet (PDF)

® RT3000A/B/C 3-Axis Digital Accelerometer General Description Features The RT3000 is a low power and high accuracy 3 axis acceleration sensor with digital output for portable device. The part has user selectable full scales rages of ±2g, ±4g, ±8g and ±16g, and, it is capable of measuring accelerations with output data rates from 1Hz to 200Hz. The RT3000A is available in MQFN-16L 3x3, RT3000B in MQFN-12L 2x2 (COL) and RT3000C in MDFN-10L 3x3 package.  User programmable ±2g/±4g/±8g/±16g Ful.

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® RT3000A/B/C 3-Axis Digital Accelerometer General Description Features The RT3000 is a low power and high accuracy 3 axis acceleration sensor with digital output for portable device. The part has user selectable full scales rages of ±2g, ±4g, ±8g and ±16g, and, it is capable of measuring accelerations with output data rates from 1Hz to 200Hz. The RT3000A is available in MQFN-16L 3x3, RT3000B in MQFN-12L 2x2 (COL) and RT3000C in MDFN-10L 3x3 package.  User programmable ±2g/±4g/±8g/±16g Full-Scale  I2C Digital I/O Interface  User Programmable Operation Modes : Power Down, Normal Mode and High Resolution Mode  Programmable Interrupts For Motion and Orientation Detections  Embedded FIFO  Self-Test Function Ordering Information RT3000 Package Type QM : MQFN-16L 3x3 (M-Type) QM : MQFN-12L 2x2 (COL) (M-Type) QM : MDFN-10L 3x3 (M-Type) Operating Temperature Range G : Green (Halogen Free and Pb Free) Applications  Smartphones  Tablet PC  Notebook  PND  GPS  Remote Controller Note : A : MQFN-16L 3x3 B : MQFN-12L 2x2 (COL) C : MDFN-10L 3x3  Gaming  Toys Richtek products are :  RoHS compliant and compatible with the current require ments of IPC/JEDEC J-STD-020.  Suitable for use in SnPb or Pb-free soldering processes. Pin Configurations (TOP VIEW) NC NC VDD SCL NC VDDIO 1 NC 2 RES 3 SCL 4 NC 5 16 15 14 RES 17 6 78 13 NC 12 GND 11 INT2 10 NC 9 INT1 NC 1 12 11 10 RES SDA 2 9 GND VDDIO 3 8 GND NC 4 5 6 7 VDD NC 1 RES 2 VDD 3 GND 4 INT1 5 RES 11 10 NC 9 VDDIO 8 NC 7 SDA 6 SCL INT1 INT2 SDA NC NC MQFN-16L 3x3 Marking Information RT3000AGQM 8E=YM DNN 8E= : Product Code YMDNN : Date Code MQFN-12L 2x2 (COL) RT3000BGQM 3P : Product Code 3PW W : Date Code MDFN-10L 3x3 RT3000CGQM 9F=YM DNN 9F= : Product Code YMDNN : Date Code Copyright ©2016 Richtek Technology Corporation. All rights reserved. DS3000ABC-00 May 2016 is a registered trademark of Richtek Technology Corporation. www.richtek.com 3 RT3000A/B/C Function Pin Description RT3000A (MQFN-16L 3x3) Name 14 VDD 1 VDDIO 12 GND 6 SDA 4 SCL 9 INT1 11 INT2 2, 5, 7, 8, 10, 13, 15, 16 NC 3 RES 17 (Exposed Pad) RES Description Power Supply. Power Supply For I/O Pins. Ground. I2C Serial Data. I2C Serial Clock. Interrupt 1. Interrupt 2. No Internal Connection. (*Note 1) Reserved Pin. (*Note 2) Reserved Pin. (*Note 5) RT3000B MQFN-12L 2x2 (COL) 7 3 8, 9 2 12 5 6 1, 4, 11 10 Name VDD VDDIO GND SDA SCL INT1 INT2 NC RES Description Power Supply. Power Supply For I/O Pins. Ground. I2C Serial Data. I2C Serial Clock. Interrupt 1. Interrupt 2. No Internal Connection. (*Note 1) Reserved Pin (*Note 3) RT3000C (MDFN-10L 3x3) Name 3 VDD 9 VDDIO 4 GND 7 SDA 6 SCL 5 INT1 1, 8, 10 NC 2 RES 11 (Exposed Pad) RES *Note 1 : Recommend floating or connect to VDD or GND. *Note 2 : Must be floating or connect to VDDIO. *Note 3 : Must be floating or connect to GND. *Note 4 : Must be floating or connect to VDD. *Note 5 : Must be floating. Description Power Supply. Power Supply For I/O Pins. Ground. I2C Serial Data. I2C Serial Clock. Interrupt 1. No Internal Connection. (*Note 1) Reserved Pin. (*Note 4) Reserved Pin. (*Note 5) Copyright ©2016 Richtek Technology Corporation. All rights reserved. www.richtek.com 2 is a registered trademark of Richtek Technology Corporation. DS3000ABC-00 May 2016 Functional Block Diagram VDD VDDIO RT3000A/B/C OSC X,Y,Z Sensor CHA LDO MTP AD Converter Digital Processing I/O Control SCL SDA INT1 INT2 GND Operation Power Mode The RT3000 has three different power modes: power down mode, normal mode and high resolution mode to offer the customer different power consumption and effective resolution options. The transitions between the power modes are illustrated in figure below VDD Power On CTRL1_REG[7:4] = "0000" Power Down NOR. Mode (Normal power consumption and resolution) HR Mode (Highest power consumption and resolution) CTRL4_REG[3] = "0" CTRL4_REG[3] = "1" Different mode switch time : 12/ODR ms When the RT3000 is in power-down mode, almost all internal blocks of the device are switched off except digital interfaces (I2C) are still active to allow communication with the device. The configuration registers content is preserved and output data registers keeping the last data sampled in memory before going into power-down mode. In normal mode or high resolution mode, it’ s depending on customer’ s application to set related register. Self-Test The RT3000 has the self-Test feature for the sensor functionality check by applying electrostatic force to the sensor element. A static offset of the acceleration data could be observed when the self-test activate. The acceleration measurement range should be set to 2g before self-test is enabled. The self-test function is off when the self-test bit (STEN) is programmed to “0”. When the self-test bit is programmed to “1” an actuation force is applied to the sensor, simulating a definite input acceleration. Table 1 shows the typ.


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