The LogitechÒ Venus is a two button 19mm Optical Trackball Module plugs internally to the PS/2 interface of a PC.
2 Product Specification
Electrical | Min | Typ | Max | Test Conditions | Comments |
Power rating Supply voltage Supply current | 4.5V | 5.0V | 5.5V 8mA | Interface Signal Level is TTL 3.3V | |
Maximum Rise Time | 1500ms | ||||
Minimum Rise Rate | 0.1V/ms |
Connector Pin Assignment | Signal |
1 | Clock |
2 | GND |
3 | DATA |
4 | Not used |
5 | VCC |
6 | Not used |
Tracking | Min | Typ | Max | Test Conditions | Comments |
Resolution - Mechanical | 180 dpi |
Physical | Min | Typ | Max | Test Conditions | Comments |
Interface protocol | PS/2 | PS/2 | |||
Switches Actuation force Travel distance to click | 4.5N (45gf) 0.3mm | 0.6N (60gf) 0.5mm | 7.5N (75gf) 0.7mm | Spring scale, pressing center top of button. Start to stop point to click | |
Ball Operating force Operation Angle | 0.3N (30gf) -40 degrees | 2.0N (204gf) | 10.0N (1000gf) 40 degrees | For both X and Y axis, Horizontal 0 degrees | |
TBM dimensions Height Length Width | 24.0mm 50.0mm 46.0mm | ||||
Weight (with ball) | 31g | ||||
Ball Weight Diameter Color | 17g | 18g 19mm Marble Black | 19g |
Environment | Min | Typ | Max | Test Conditions | Comments |
Operating temperature | 0°C (-32°F) | 60°C (140°F) | |||
Storage temperature | -40°C (-40°F) | 70°C (158°F) | |||
Humidity (operating & storage) | 5% | 95% | Non condensing |
All tests and measurements were conducted under the following conditions unless otherwise specified:
(1) Temperature: 25°C ± 10°C (77°F ± 50°F)
(2) Humidity: 50% ~ 60% RH
(3) Atmospheric Pressure: 86kPa (860mBar) ~ 106kPa (1060mBar)
Item | Test Conditions | Specifications |
Button Switch lifetime | (1) Operating speed: 2-3 times/s (2) Force applied at center of button: 1.0N ± 0.5N (100gf ±50gf) | Number of actuations: 500,000 times No functional defects for the switch actuation |
Ball lifetime | (1) Operating angle 0 degrees (2) Drag force 1.0N ± 0.25N (100gf±25gf) load (3) Tracking speed 20cm/sec | Travel distance: 80km TBM tracking accuracy performance meets or exceeds the specification as described in section 2.2. |
Shock tolerance | Drop test conditions: (1) Height: 70cm (2) Floor surface: asphalt tile over concrete or equivalent | No cracks or breakage (excl. cosmetic scratches) No functional defects for the switch actuation. TBM tracking accuracy performance meets or exceeds the specification described in section 2.2 |
Vibration Test | Meets IEC-68-2-36 | |
Shock Test | Meets IEC-68-2-27 | |
Electrical MTBF | 150,000hr | |
Light sensitivity | 15 ,000lux | No performance degradation |
Item | Test Conditions | Specifications | ||
EFT/B (Electrical Fast Transient/Burst) | Tested on IBM PC-Compatible systems | Meets IEC 801-4 level 2 1KV/5KHz | ||
RS Performance (Radiation Susceptibility) | Tested on IBM PC-Compatible systems | Meets IEC 801-3 level 2 3V/m | ||
ESD Rating (ElectroStatic Discharge) | Tested on IBM PC-Compatible systems With case With case Without case Without case | Meets IEC 801-2 level 4 No hardware errors @ 10KV No hardware damage @ 15KV No hardware errors @ 15KV No hardware damage @ 15KV | ||
4.3 Retainer Ring
5 Packaging Drawing
Note 1: 200 units per carton and 36 cartons per pallet.
Note 2: Pallet Size (Length x Width x Height): 1160mm x 1160mm x 120mm
Note 3: Weight of carton, weight of pallet, pallet volume: 6kg., 220kg., 1.45m3 
