Om25 Ps/2 Mcu+sensor 2-in-1 Optical Mouse Ic Product

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OM25 PS/2 MCU+Sensor 2-in-1 Optical Mouse IC Product Specification DOC. VERSION 1.1 Contents Contents 1 2 3 4 5 6 7 8 9 General Description .................................................................................................. 1 Features ..................................................................................................................... 1 Pin Configurations (Package) .................................................................................. 2 Functional Block Diagram........................................................................................ 3 Pin Description.......................................................................................................... 3 Absolute Maximum Rating ....................................................................................... 4 Electrical Characteristics ......................................................................................... 4 Application Circuit .................................................................................................... 5 PCB Holes Map.......................................................................................................... 6 Product Specification (V1.1) 12.15.2008 OM25 PS/2 MCU + Sensor 2-in-1 Optical Mouse IC 1 General Description OM25 is integrated with a PS/2 Micro-Controller Unit (MCU) for a computer optical mouse. It is housed in a 16 pins staggered Dual Inline Package (DIP) for 3D3K application. Resolution is 800 DPI. It catches the images of surfaces 3200 times per second. Tracking speed is up to 25 Inches Per Second (IPS). 2 Features „ Integrated optical sensor and PS/2 MCU into single chip. „ High speed motion detection up to 25 IPS. „ Navigates over a wide range of surface. „ Frame rate up to 3200 frames per second. „ 5 volt power supply. „ Built-in 3.3V Voltage Regulator. „ 16-pin staggered DIP. „ Support 3D3K and Z/2 scroller mouse. „ Two operating modes, Active and Standby modes. „ Automatic Standby mode (After no motion occurs more then 1 second). Product Specification (V1.1) 12.15.2008 (This specification is subject to change without further notice) •1 OM25 PS/2 MCU + Sensor 2-in-1 Optical Mouse IC 3 Pin Configurations (Package) TOP View Up XY_LED 1 CLK 2 DATA 3 VDD 4 REF 5 L 6 M 7 R 8 16 Z1 15 Z2 14 OSCA 13 OSCB 12 AGND 11 AGND 10 DGND 9 NC Right Up Right 22.30 0.50 (lead width) 1.27 (lead offset) 2.54 (lead pitch) Bottom View 16 1 15 2 1.0 14 3 13 4 12 9.10 0.25 13.38 3.18 1.42 5.15 3.0 1.42 5 11 6 10 ψ0.80 0.25 6.17 7 12.34 6.02 9 5° 8 4.55 NOTE 2• „ Dimension in millimeter. „ Dimension tolerance is +/- 0.1 mm. „ Coplanarity of leads is 0.1 mm. „ Lead pitch tolerance is +/- 0.15 mm. „ Cumulative pitch tolerance is +/- 0.15 mm. „ Angular tolerance is +/- 3º. „ Maximum flash is +0.2 mm. „ Chamfer (25º X 2) on the taper side of the lead. Product Specification (V1.1) 12.15.2008 (This specification is subject to change without further notice) OM25 PS/2 MCU + Sensor 2-in-1 Optical Mouse IC 4 Functional Block Diagram L M R Z1 Z2 XY_LED LED Control Sensor Arrary ADC MCU Filter CLK DSP TRX DATA Power On Resset Power Supply and Regulator VDD 5 GND Oscillator REF OSCA OSCB Pin Description XY_LED 16 Z1 15 Z2 1 CLK 2 DATA 3 VDD 4 REF 5 L 6 M 7 R 8 Pin No. Symbol I/O 1 XY_LED O LED control Description 2 CLK I/O CLOCK 3 DATA I/O 4 VDD - 5 volt DC power supply DATA 14 OSCA 5 REF - 3.3V Reference 13 OSCB 6 L I Left key 12 AGND 7 M I Middle key 11 AGND 8 R I Right key 9 NC - NC DGND - Digital Ground AGND - Analog Ground 13 OSCB - 14 OSCA - 15 Z2 I 16 Z1 I 10 DGND 10 9 NC 11 Product Specification (V1.1) 12.15.2008 (This specification is subject to change without further notice) 12 Oscillator Scroller •3 OM25 PS/2 MCU + Sensor 2-in-1 Optical Mouse IC 6 Absolute Maximum Rating Parameter Symbol Min. Max Unit Storage Temperature Range TSTR -40 85 ℃ Operating Temperature Range TOPR 0 40 ℃ - - 245 ℃ Lead solder Temperature 7 Notes For 10 seconds, 1.6mm below seating plane. Supply Voltage VDD 4.5 5.5 V Reference Voltage Vref 3.0 3.6 V ESD - - 2 KV All pins, human body model Input Voltage - -0.5 3.6 V All GPIO except pin2, pin3 Electrical Characteristics Parameter Supply Voltage Input Voltage Resolution Speed Acceleration Symbol Min. Typ. Max Unit VDD 4.5 5.0 5.5 V - -0.5 3.3 3.6 V Res - 800 - DPI S - - 25 in/sec A - 3.3 - g Clock Frequency FCLK - 24 - MHz Sensor Frame Rate fframe - 3200 - frames/sec Mouse Active IDDACT - 25 - mA Standby IDDSTB - 24 - mA Mouse Active - 3200 - frames/sec Standby - 100 - frames/sec Mouse Active - - 70% - Standby - - 12% - D - 2.2 2.4 mm DC Supply Current LED Frame Rate LED Duty Cycle Distance from Lens Reference Plane to Surface Notes No load on GPIO. Excluding LED current. After no motion occurs more then 1 second PCB BASE PLATE SENSOR LENS Lens Reference Plane D Desk Surface is 0 Ref. 10.38 7. 2 Unit:mm 4• 2.2 Surface Product Specification (V1.1) 12.15.2008 (This specification is subject to change without further notice) OM25 PS/2 MCU + Sensor 2-in-1 Optical Mouse IC 8 Application Circuit PS/2 Connector 5 6 4 3 1 2 VDD 4 DATA 1 CLK GND 5 LED XY_LED 3 R1 CLK 1 16 2 15 3 14 4 13 5 12 6 11 DATA VDD(5V) REF(3.3V) L C1 C2 C3 C4 M R 7 OM25 8 10 9 Z1 Z2 OSCA OSCB *Cosc Rosc AGND AGND DGND *C5 NC R1 : 33~68Ω, C1 : 10uF, C2 : 0.1uF, C3 : 10uF , C4 : 0.1uF , Rosc : 62KΩ, *C5：short , *Cosc : 1nF NOTE * C5 : for future use *Cosc: for EFT Product Specification (V1.1) 12.15.2008 (This specification is subject to change without further notice) •5 OM25 PS/2 MCU + Sensor 2-in-1 Optical Mouse IC 9 6• PCB Holes Map Product Specification (V1.1) 12.15.2008 (This specification is subject to change without further notice)