adns-3000 low power optical mouse sensor data sheet description the pixart imaging adns-3000 is a low power, small form factor optical mouse sensor. it has a new low-power architecture and automatic power management modes, making it ideal for battery, power-sensitive applications C such as cordless input devices. the adns-3000 is capable of high-speed motion detec- tion C up to 30 ips and 20 g. in addition, it has an on-chip oscillator and requires an external resistor to set the led current. the adns-3000 along with the adns-5110-00 1 lens, or adns-5120-002 trim lens and hsdl-4261 ir led or hlmp-eg3e-xxxxx red led form a complete and compact mouse tracking system. there are no moving parts and this translates to high reliability and less maintenance for the end user. in addition, precision optical alignment is not required, facilitating high volume assembly. the sensor is programmed via registers through a four- wire serial port. it is housed in an 8-pin staggered dual in-line package (dip). features ? low power architecture ? small form factor ? programmable periods / response times and downshift times from one mode to another for the power-saving modes ? high speed motion detection up to 30 ips and 20 g ? external interrupt output for motion detection ? internal oscillator C no clock input needed ? selectable resolution of up to 2000 cpi ? operating voltage: as low as 1.7 v ? four-wire serial port interface applications ? optical mice and optical trackballs ? integrated input devices ? battery-powered input devices all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw 1
2 pinout of adns-3000 optical mouse sensor pin name input/ output description 1 miso o serial data output (master in/slave out) 2 led i led illumination 3 motion o motion interrupt output (default active low, edge triggered) 4 ncs i chip select (active low input) 5 sclk i serial clock 6 gnd i ground 7 vdd i supply voltage 8 mosi i serial data input (master out/slave in) figure 1. package outline drawing (top view) theory of operation the adns-3000 is based on optical navigation technol- ogy, which measures changes in position by optically acquiring sequential surface images (frames) and math- ematically determining the direction and magnitude of movement. the adns-3000 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 illumination system. these images are processed by the dsp to determine the direction and distance of motion. the dsp calculates the dx and dy relative dis- placement values an external microcontroller reads and translates the dx and dy informa tion from the sensor serial port into ps2, usb, or rf signals before sending them to the host pc. item marking remarks product number a3000 date code xyywwz x = subcon code yyww = date code z = sensor die source lot code vvv numeric all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. adns-3000 low power optical mouse sensor
3 figure 2. package outline drawing caution: it is advised that normal static precautions be taken in handling and assembling of this component to prevent damage and/or degradation which may be induced by esd. all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. adns-3000 low power optical mouse sensor
4 overview of optical mouse sensor assembly pixart imaging provides an iges fi le drawing de scribing the base plate molding features for lens and pcb align- ment. the adns-3000 sensor is designed for mounting on a through-hole pcb, looking down. there is an aperture stop and features on the package that align to the lens. the adns-5110-001 and adns-5120-002 lens provides optics for the imaging of the surface as well as the illumination of the surface at the optimum angle. features on the lens align, base it to the sensor plate, and clip with the led. the led clip holds the led in relation to the lens. the led must be inserted into the clip and the leds leads formed prior to loading on the pcb. the leds recommended for illumination include, hsdl-4261 ir led hlmp-eg3e-xxxxx red led. figure 3. recommended pcb mechanical cutouts and spacing all rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission. pixart imaging inc. e-mail: fae_service@pixart.com.tw pix a rt imaging inc. adns-3000 low power optical mouse sensor
2x aa battery 1.9v regulator block z-encoder +cpi left button right button middle button 1 3 2 com nc no sw2 1 3 2 com nc no sw3 1 3 2 com nc no sw4 com 3 b 2 a 1 q1 z-encoder_3p 1 2 3 4 sw5 tact_sw vdd_rf rf voltage selection vcc_dc1 jtag connector com za zb r14 1m r13 1m vdd_rf s1 s4 s3 s3 r1 b+ on off vbat 1 2 3 sw1 slide sw spdt 1 2 p1 b- bt1 2aa battery vdd_led led voltage selection p4 p5 vcc_dc1 vdd_sensor sensor voltage selection p18 p19 vcc_dc1 vbat vcc_dc1 voltage measuremen vbat gnd vdd_led vdd_led 1 p12 1 p13 1 p14 1 p11 p10 p9 + 1 + 3 + 5 + 7 + 9 + 2 + 4 + 6 + 8 + 10 con1 pcb_skt_smd_1.27/2x5 prog s2 r2 s1 r1 rf module reset reset prog msck com motion r1 r2 s1 s2 s3 s4 r0 miso mosi za zb vdd_rf rf module pcb reset 19 p1.4 18 p1.3 17 p1.2 16 p1.0 14 p0.6 12 p0.7 13 p0.5 11 prog 6 p0.3 7 p0.1 1 p0.2 5 p0.4 10 p1.1 15 p1.5 28 p1.6 29 gnd1 gnd2 gnd3 gnd4 gnd5 gnd6 gnd7 gnd8 gnd9 vdd p20 note: r1 = 1m3 , r2 = 453k vcc_dc1 = 1.9v d5 led sensor block vdd_led c11 100nf r17 0r + c9 2.2uf/16v vdd_sensor r5 39r r10 1m r11 1m r12 1m 7 gnd 6 5 8 xy_led 2 1 4 motion 3 u5 adns- 3000 mosi cs miso msck motion vdd_sensor p25 vcc_dc1 vdd_sensor r6 1m vdd_sensor r0 vcc_dc1 vout 4 fb 2 vin 1 en 6 gnd 3 l 5 u1 tps61220 1 2 3 p24 c5 10uf/50v c1 100nf vbat l1 4.7uh vbat r1 1m3 r2 453k 1 2 p16 vcc_dc1 c6 100nf c8 4.7uf/10v c10 4.7uf/10v 6 & |