ADNS-7530 Avago Technologies US Inc., ADNS-7530 Datasheet

Optical Mouse Sensor,DIP

ADNS-7530

Manufacturer Part Number
ADNS-7530
Description
Optical Mouse Sensor,DIP
Manufacturer
Avago Technologies US Inc.
Datasheets

Specifications of ADNS-7530

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADNS-7530
Integrated molded lead-frame DIP Sensor
Data Sheet
Theory of Operation
The ADNS-7530 integrated molded lead-frame DIP
sensor comprises of sensor and VCSEL in a single
package.
The advanced class of VCSEL was engineered by Avago
Technologies to provide a laser diode with a single lon-
gitudinal and a single transverse mode. In contrast to
most oxide-based single-mode VCSEL, this class of Avago
VCSEL remains within single mode operation over a wide
range of output power. It has signifi cantly lower power
consumption than a LED. It is an excellent choice for
optical navigation applications.
The sensor is based on LaserStream™ technology, which
measures changes in position by optically acquiring se-
quential surface images (frames) and mathematically
determining the direction and magnitude of movement.
It contains an Image Acquisition System (IAS), a Digital
Signal Processor (DSP), and a four wire serial port. The IAS
acquires microscopic surface images via the lens and il-
lumination system. These images are processed by the
DSP to determine the direction and distance of motion.
The DSP calculates the Δx and Δy relative displacement
values. An external microcontroller reads the Δx and Δy
information from the sensor serial port. The microcon-
troller then translates the data into PS2, USB, or RF signals
before sending them to the host PC or game console.
Features
Applications
Wide operating voltage: 2.7V-3.6V
Small form factor, integrated molded lead frame DIP
package
Low power architecture
LaserStream™ technology
Self-adjusting power-saving modes for longest battery
life
High speed motion detection up to 30 ips and 8g
Enhanced SmartSpeed self-adjusting frame rate for
optimum performance
Motion detect pin output
12-bits motion data registers.
Internal oscillator – no clock input needed.
Selectable 400, 800, 1200, 1600, 2000 cpi resolution.
Four wire serial port
Minimal number of passive components
Laser fault detect circuitry on-chip for Eye Safety
Compliance
Advanced Technology VCSEL chip
Single Mode Lasing operation
832-865 nm wavelength
Laser Mice
Optical trackballs
Integrated input devices
Battery-powered input devices

Related parts for ADNS-7530

ADNS-7530 Summary of contents

Page 1

... ADNS-7530 Integrated molded lead-frame DIP Sensor Data Sheet Theory of Operation The ADNS-7530 integrated molded lead-frame DIP sensor comprises of sensor and VCSEL in a single package. The advanced class of VCSEL was engineered by Avago Technologies to provide a laser diode with a single lon- gitudinal and a single transverse mode. In contrast to ...

Page 2

... Negative Terminal of VCSEL 2 VCSEL +VE 1 A7530 LASER_NEN 2 NCS 3 MISO 4 SCLK 5 MOSI 6 MOTION 7 XYYWWZV XYLASER Subcon Code YYWW = Date Code Z = Sensor Die Source V = VCSEL Die Source KL = VCSEL Binning Figure 1. Device pin-out for ADNS-7530 16 VCSEL -VE 15 VDDIO 14 DGND RefA 13 12 VDD3 GND VDD3 ...

Page 3

Figure 2. Package outline drawing CAUTION advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD 3 ...

Page 4

... Detail A (5X) Base Plate Navigation Surface Bottom of lens flange to Surface Figure 4. 2D Assembly drawing of ADNS-7530 sensor coupled with the ADNS-6150 lens, PCB and base plate (top and cross-sectional view) 4 Regulatory Requirements • Passes FCC B and worldwide analogous emission limits when assembled into a mouse with shielded NCS cable and following Avago recommendations ...

Page 5

... Design considerations for improving ESD Performance For improved electrostatic discharge performance, typical creepage and clearance distance are shown in the table below. Assumption: base plate construction as per the Avago supplied IGES fi le and ADNS-6150, ADNS- 6160-001 or ADNS-6170-002 lens: Lens ADNS-6150 Creepage 12 ...

Page 6

MPS430F1222IPW ...

Page 7

... Notes 1. The supply and ground paths should be laid out using a star methodology. 2. Level shifting is required to interface a 5V micro-controller to the ADNS-7530 micro-controller is used, the 74VHC125 component shown may be omitted 3. All grounds MUST be correctly separated into digital and analog grounds. The digital and analog ground lines MUST be reconnected as far away as possible at either the negative terminal of the battery or at the USB connector ...

Page 8

... The laser is driven in pulsed mode during normal operation. A calibration mode is provided which drives the laser in continuous (CW) operation. Eye Safety The ADNS-7530 integrated molded lead-frame DIP sensor and the associated components in the schematic of Figure 6 are intended to comply with Class 1 Eye Safety Requirements of IEC 60825-1. Avago Technologies suggests that manufacturers perform testing to verify eye safety on each mouse ...

Page 9

... LASER_NEN goes high to turn the transistor off and dis- connect V from the LASER. DD3 Single Fault Detection ADNS-7530 is able to detect a short circuit or fault condition at the XYLASER pin, which could lead to excessive laser power output. A path to ground on this Microcontroller fault control block ...

Page 10

Absolute Maximum Ratings Parameter Storage Temperature Lead Soldering Temperature Supply Voltage ESD (Human-body model) Input Voltage Latchup Current VCSEL Die Source Marking Parameter (For VCSEL only) DC Forward current Peak Pulsing current Power Dissipation Reverse voltage Laser Junction Temperature Notes: ...

Page 11

Optical/Electrical Characteristics ( 5°C to 45°C): VCSEL Die Source Marking Parameter Symbol Peak Wavelength λ Maximum Radiant LOPmax Power Wavelength Temperature dλ/dT Coeffi cient Wavelength Current dλ/dI Coeffi cient Beam Divergence θFW@1/ e^2 Threshold Current I th Slope ...

Page 12

Sensor Lens to surface 2.40 Figure 9. Distance from lens reference plane to surface, Z Figure 10. Recommended Soldering Refl ow Profi le 12 Lens Navigation surface ...

Page 13

AC Electrical Specifi cations Electrical Characteristics over recommended operating conditions. Typical values at 25 °C, VDD=2.8V. Parameter Symbol Motion delay t MOT-RST after reset Shutdown t STDWN Wake from t WAKEUP shutdown Forced Rest enable t REST-EN Wake from Forced ...

Page 14

DC Electrical Specifi cations Electrical Characteristics over recommended operating conditions. (Typical values at 25 °C, V Parameter Symbol DC Supply Current I DD_RUN in various modes I DD_REST1 I DD_REST2 I DD_REST3 Peak Supply Current Shutdown Supply I DDSTDWN Current ...

Page 15

Resolution vs Z-Height on General Surfaces (A7530) 1200 1000 800 600 400 200 0 -0.3 -0.2 Figure 11. Mean Resolution vs 800cpi Typical Path Deviation Largest Single Perpendicular Deviation From A Straight Line At 45 Degrees Path Length ...

Page 16

... ADNS-7530 will fl ash the VCSEL only when needed. Synchronous Serial Port The synchronous serial port is used to set and read pa- rameters in the ADNS-7530, and to read out the motion information. The port is a four-wire port. micro-controller always initiates communication; the ADNS-7530 never initiates data transfers. SCLK, MOSI, and NCS may be driven directly by a micro-controller ...

Page 17

... Note: The 0.5/fSCLK minimums high state of SCLK is also the minimum MISO data hold time of the ADNS-7530. Since the falling edge of SCLK is actually the start of the next read or write command, the ADNS-7530 will hold the state of data on MISO until the falling edge of SCLK. ...

Page 18

... The speed improvement is achieved by continuous data clocking to or from multiple registers without the need to specify the register address, and by not requiring the normal delay period between data bytes. Burst mode is activated by reading the Motion_Burst register. The ADNS-7530 will respond with the contents of the Motion, Delta_X_L, Delta_Y_L, Delta_XY_H, SQUAL, Shutter_Upper, Shutter_Lower and Maximum_Pixel registers in that order ...

Page 19

... Undefi ned Undefi ned 19 Notes on Shutdown The ADNS-7530 can be set in Shutdown mode by writing 0xe7 to register 0x3b. The SPI port should not be accessed when Shutdown mode is asserted, except the power-up command (writing 0x5a to register 0x3a). (Other ICs on the same SPI bus can be accessed, as long as the sensor’ ...

Page 20

... Registers The ADNS-7530 registers are accessible via the serial port. The registers are used to read motion data and status as well as to set the device confi guration. Address Register 0x00 Product_ID 0x01 Revision_ID 0x02 Motion 0x03 Delta_X_L 0x04 Delta_Y_L 0x05 Delta_XY_H 0x06 ...

Page 21

... Field PID7 PID6 Data Type: 8-Bit unsigned integer USAGE: This register contains a unique identifi cation assigned to the ADNS-7530. The value in this register does not change; it can be used to verify that the serial communications link is functional. Revision_ID Address: 0x01 Access: Read Reset Value: 0x03 ...

Page 22

Motion Address: 0x02 Access: Read/Write Reset Value: 0x00 Bit 7 6 Field MOT PIXRDY Data Type: Bit fi eld. USAGE: Register 0x02 allows the user to determine if motion has occurred since the last time it was read. If the ...

Page 23

Delta_X_L Address: 0x03 Access: Read Reset Value: 0x00 Bit 7 6 Field Data Type: Eight bit 2’s complement number. USAGE: X movement is counts since last report. Absolute value is determined by resolution. Reading clears the ...

Page 24

SQUAL Address: 0x06 Access: Read Reset Value: 0x00 Bit 7 6 Field Data Type: Upper 8 bits of a 9-bit unsigned integer. USAGE: SQUAL (Surface Quality measure of the number of valid features visible ...

Page 25

Shutter_Upper Address: 0x07 Access: Read Reset Value: 0x00 Bit 7 6 Field Shutter_Lower Address: 0x08 Access: Read Reset Value: 0x64 Bit 7 6 Field Data Type: Sixteen bit unsigned integer. USAGE: Units ...

Page 26

Maximum_Pixel Address: 0x09 Access: Read Reset Value: 0xd0 Bit 7 6 Field Data Type: Eight-bit number. USAGE: Maximum Pixel value in current frame. Minimum value = 0, maximum value = 254. The maximum pixel value can ...

Page 27

CRC0 Address: 0x0c Access: Read Reset Value: 0x00 Bit 7 6 Field CRC0 CRC0 7 Data Type : Eight-bit number USAGE : Register 0x0c reports the fi rst byte of the system self test results. Value = 0x18. CRC1 Address: ...

Page 28

Self_Test Address: 0x10 Access: Write Reset Value: NA Bit 7 6 Field Reserved Reserved Data Type: Bit fi eld USAGE : Before performing system self test, reset the chip. Then, set the TESTEN bit in register 0x10 to start the ...

Page 29

Run_Downshift Address: 0x13 Access: Read/Write Reset Value: 0x04 Bit 7 6 Field This register set the Run to Rest 1 downshift time. Run Downshift time = RD[7: Run_rate. Default value ...

Page 30

Rest2_Rate Address: 0x16 Access: Read / Write Reset Value: 0x09 Bit 7 6 Field R2R R2R 7 6 This register set the Rest 2 frame rate. Rest2 frame rate = (R2R[7: 10ms. Default value 10ms ...

Page 31

LASER_CTRL0 Address: 0x1a Access: Read/Write Reset Value: 0x00 Bit 7 6 Field Range1 Range0 Data Type : Bit fi eld USAGE : This register is used to control the laser drive. Bits 7 and 6 require complement values in register ...

Page 32

LSRPWR_CFG0 Address: 0x1c Access: Read/Write Reset Value: 0x00 Bit 7 6 Field Data Type: 8 Bit unsigned USAGE: This register is used to set the laser current used together with register 0x1D, ...

Page 33

LASER_CTRL1 Address: 0x1f Access: Read/Write Reset Value: 0x00 Bit 7 6 Field Range_C1 Range_C0 Data Type : 8 Bit unsigned USAGE: Bits 7 and 6 of this register must be the complement of the corresponding bits in register 0x1A for ...

Page 34

Pixel_Grab Address: 0x35 Access: Read/Write Reset Value: 0x00 Bit 7 6 Field Data Type : Eight-bit word. USAGE : For test purposes, the sensor will read out the contents of the pixel array, one pixel per ...

Page 35

H_RESOLUTION Address: 0x36 Access: Read/Write Reset Value: 0x04 Bit 7 6 Field Reserved Reserved Data Type : Bit fi eld USAGE : This register is used to set the resolution confi guration of sensor up to 2000cpi. For resolution setting ...

Page 36

Shut_thr Address: 0x3d Access: Read and Write Reset Value: 0x56 Bit 7 6 Field Shut_thr Shut_thr 7 Data Type: 7-bit number USAGE: Threshold defi nes the Shutter value when lifted runaway happens. Sensor will suspect lifted runaway happens and suppress ...

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