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PDF ITG3205 Data sheet ( Hoja de datos )
| Número de pieza | ITG3205 | |
| Descripción | 3-axis MEMS gyro IC | |
| Fabricantes | InvenSense | |
| Logotipo |  |
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InvenSense Inc.
1197 Borregas Ave, Sunnyvale, CA 94089 U.S.A.
Tel: +1 (408) 988-7339 Fax: +1 (408) 988-8104
Website: www.invensense.com
Document Number: PS-ITG-3205A-00
Revision: 1.0
Release Date: 08/16/2010
ITG-3205
Product Specificationhttp://www.DataSheet4U.net/
Revision 1.0
1 page  
ITG-3205 Product Specification
Document Number: PS-ITG-3205A-00
Revision: 1.0
Release Date: 08/16/2010
1.2 Purpose and Scope
This document is a preliminary product specification, providing a description, specifications, and design related
information for the ITG-3205TM. Electrical characteristics are based upon simulation results and limited
characterization data of advanced samples only. Specifications are subject to change without notice. Final
specifications will be updated based upon characterization of final silicon.
1.3 Product Overview
The ITG-3205 is the world’s first single-chip, digital-output, 3-axis MEMS gyro IC optimized for gaming, 3D mice,
and 3D remote control applications. The part features enhanced bias and sensitivity temperature stability, reducing the
need for user calibration. Low frequency noise is lower than previous generation devices, simplifying application
development and making for more-responsive remote controls.
The ITG-3205 features three 16-bit analog-to-digital converters (ADCs) for digitizing the gyro outputs, a user-selectable
internal low-pass filter bandwidth, and a Fast-Mode I2C (400kHz) interface. Additional features include an embedded
temperature sensor and a 2% accurate internal oscillator. This breakthrough in gyroscope technology provides a
dramatic 67% package size reduction, delivers a 50% power reduction, and has inherent cost advantages compared to
competing multi-chip gyro solutions.
By leveraging its patented and volume-proven Nasiri-Fabrication platform, which integrates MEMS wafers with
companion CMOS electronics through wafer-level bonding, InvenSense has driven the ITG-3205 package size down to
a revolutionary footprint of 4x4x0.9mm (QFN), while providing the highest performance, lowest noise, and the lowest
cost semiconductor packaging required for handheld consumer electronic devices. The part features a robust 10,000g
shock tolerance, as required by portable consumer equipment.
For power supply flexibility, the ITG-3205 has a separate VLOGIC reference pin, in addition to its analog supply pin,
VDD, which sets the logic levels of its I2C interface. The VLOGIC voltage may be anywhere from 1.71V min to VDD
max.
1.4 Applications
Motion-enabled game controllers
Motion-based portable gaming
Motion-based 3D mice and 3D remote controls
“No Touch” UI
Health and sports monitoring
http://www.DataSheet4U.net/
5 of 38
5 Page 
ITG-3205 Product Specification
Document Number: PS-ITG-3205A-00
Revision: 1.0
Release Date: 08/16/2010
3.5 I2C Timing Characterization
Typical Operating Circuit of Section 4.2, VDD = 2.5V, VLOGIC = 1.8V±5%, 2.5V±5%, 3.0V±5%, or 3.3V±5%,
TA=25°C.
Parameters
I2C TIMING
fSCL, SCL Clock Frequency
tHD.STA, (Repeated) START Condition Hold Time
Conditions
I2C FAST-MODE
Min
Typical
Max
Units Notes
0
400 kHz
1
0.6 us 1
tLOW, SCL Low Period
tHIGH, SCL High Period
tSU.STA, Repeated START Condition Setup Time
tHD.DAT, SDA Data Hold Time
tSU.DAT, SDA Data Setup Time
tr, SDA and SCL Rise Time
tf, SDA and SCL Fall Time
tSU.STO, STOP Condition Setup Time
tBUF, Bus Free Time Between STOP and START
Condition
Cb, Capacitive Load for each Bus Line
tVD.DAT, Data Valid Time
tVD.ACK, Data Valid Acknowledge Time
Cb bus cap. from 10 to 400pF
Cb bus cap. from 10 to 400pF
1.3
0.6
0.6
0
100
20+0.1Cb
20+0.1Cb
0.6
1.3
us
us
us
us
ns
300 ns
300 ns
us
us
400 pF
0.9 us
0.9 us
1
1
1
1
1
1
1
1
1
2
1
1
Notes:
1.
2.
Based on characterization of 5 pieces over temperature onhttp://www.DataSheet4U.net/ evaluation board or in socket
Guaranteed by design
I2C Bus Timing Diagram
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| Páginas | Total 38 Páginas | |
| PDF Descargar | [ Datasheet ITG3205.PDF ] | |
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