IST8307 Datasheet, Version 2.3

Transcription

1 3D Mag gnetometer Datasheet Datasheet, ersion 2.3

2 Table of Contentss GENERAL DESCRIPTION BLOCK DIAGRAM, PACKAGE DIMENSION AND APPLICATION CIRCUIT Block diagram Package Dimensions and Pin Description Application Circuit ELECTRICAL SPECIFICATIONSS Absolute Maximum Rating Recommended Operating Conditions Electrical Specificationss Magnetic Sensor Specifications ORDERING INFORMATION... 9 Datasheet, ersion 2.3 2

3 General Description isentek is a 3-axis digital magnetometer. It is an integrated chip c with 3-axis magnetic sensors and control ASIC. provides an I 2 C digital output with fast mode up to 400kHz. The high output data rate, low noise, ultra-low hysteresis features and excellent temperature drift performance make it a perfect candidate for high accuracyy applications. Features Single chip 3-axis magnetic sensor I 2 C slave, Fast Mode up to 400kHz Compact form factor,.6x.6x.0mm 3, 2-pin BGA package W Wide dynamic range of ±600 ut (x, y-axis) and ±2500 ut (z-axis) 4 bits data output High output data rate of maximum 200Hz Ultra-low hysteresis (<0.%FS) Ultra-low sensitivity temperature drift (±0.06 %/ o K) Ultra-low offset temperature drift (0.024 ut/ o K) High precision temperature compensation Built-in self-test function Software and algorithm support available (Tilt & cross-axis compensation) Applications Quadcopter/Dronee Applications Augmented Reality Applications irtual Reality Applications Location Based Services Navigation Applications Industrial Applications Magnetometry IOT devices Heading Gaming Datasheet, ersion 2.3 3

4 2 Block Diagram, Package Dimension and Application Circuit 2. Block diagram X SDA Y MUX Low Noise AMP ADC Digital Control SCL INT DRDY Z Set/Reset Controller Clock Generator Trimming Logic Figuree. Block Diagram 2.2 Package Dimensions and Pin Description BGA Top iew Datasheet, ersion 2.3 4

5 BGA Side iew ±0.04 3D Top iew Z+ X+ Y+ Unit: mm Tolerance: ±0.mm Pin Name DRDY NC SCL SDA PP RSTN C CAD CAD0 Functionn Data ready indication, output pin p only Not use I 2 C serial clock I 2 C serial data Test pin, floating connection is suggested Digital supply voltage,.72~3.6 Resett pin, resets registers byy setting it to Low. Internally pulled to High forr floating connection. MCUU connection is suggestedd (but not necessary). Set/Reset function, 4.7uF I 2 C slave address I 2 C slave address GND Analog supply voltage,.72~3.6 *please refer to Figure 2. Datasheet, ersion 2.3 5

6 2.3 Application Circuit Slave Address Select CAD CAD0 Address (7-bit) Address (8-bit) S 0CH 8H DD 0DH AH DD 0EH CH DD DD 0FH EH *if CAD and CAD0 are floating, I 2 C address will be 0EH/CH. 4.7uF uF To MCU /GPIB 6 5 RSTN PP C CAD CAD0 (Top iew) 2 4.7K 4.7K 0.uF SDA SCL NC DRDY SCL SDA Figure 2. Application Circuit Datasheet, ersion 2.3 6

7 3 Electrical Specifications 3. Absolute Maximum Rating Parameter Storage Temperature Operating Temperature Analog Supply oltage Digital Supply oltage Digital Input oltage Electrostatic Discharge oltage* 2 Electrostatic Discharge oltage* Reflow Classification. Human Body Model (HBM) 2. Machine Model (MM) Symbol Limits TSTG -40 to +25 TA -40 to to to IN -0.3 to +0.3 ESD_HBM to 4000 ESD_MMM -350 to 350 JESD22-A3 with 2600 Peak Temperature Unit 3.2 Recommendedd Operating Conditions Parameter Symbol Min. Typ. Max. Unit Operating Temperature TA Analog Supply oltage Digital Supply oltage Electrical Specifications (Operating conditions: TA=+25 ; =2.8; =.8; 0.µ µf ceramic capacitors tied closely to / and GND respectively.) Parameter Symbol Conditions Min. Typ. Max Unit Operating Current IDD3A Full operation, at ua sps 20 8 sps 72 0 sps sps sps sps sps 200 Standby Current ISTB 0 ua Datasheet, ersion 2.3 7

8 Output Data Rate ODR 200 Hz (ODR) Input Low oltage IL 0 *30% Input High oltage IH *70% Output Low oltage OL IOL= + +4 ma 0 *20% Output High oltage OH IOH= -00 ua (Exceptt SCL and *80% SDA) 3.4 Magnetic Sensor Specifications (Operating conditions: Ta=+25 ; =2.8; =.8; 4.7µFF ceramic capacitors tied closely t and GND respectively. ) Parameter Symbol Condition Min. Typ. Max Unit Dynamic Range MDR_XY MDR_Z TA=25 TA=25 ±600 ±2500 ut Linearity LIN X-axis Y, Z-axis %FS Resolution RESO 0.3 ut/lsb Sensitivity SEN 3.3 LSB/uT Zero Gauss Offset ZGD RMS value ±0.3 ut Hysteresis HS 0. %FS Sensitivity Temperature Drift TD_S -40 ~ 85 o ±0.06 %/ o K Zero-B Offset Temperature Drift TD_O -40 ~ 85 o ut/ o K Datasheet, ersion 2.3 8

9 4 Ordering Information Order Number Package Type Packagingg BGA 2 pin Tape and Reel: 3k pieces per reel Marking Information XAB + 02 X: Last number of the year AB: Week of the year 02: Product P codee of For more information on isentek s Magnetic Sensors, please contact us by phone at (China), (China) or ext:0 (Taiwan); via sales@isentek.com or visit us online at The application circuits herein constitute typical usage and interface of o isentek s product. isentek does not warranty or assume liability of customer-designed circuits derived d fromm this description or depiction. isentek reserves the right to make changes too improve reliability, function or design. isentek does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rightss of others. US Patent 9,297,863, Taiwanese Patents I437249, I42028 and I46360 apply too our magnetic sensor technology described. Datasheet, ersion 2.3 9