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HEDS-5120-I05 Datasheet(PDF) 3 Page - Agilent(Hewlett-Packard) |
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HEDS-5120-I05 Datasheet(HTML) 3 Page - Agilent(Hewlett-Packard) |
3 / 7 page 3 Absolute Maximum Ratings Storage Temperature, T S ..................................................................... -40°C to 125°C Operating Temperature, T A ................................................................ -40°C to 125°C Supply Voltage, V CC ...................................................................................... - 0.5 V to 7 V Output Voltage, V O ........................................................................................ -0.5 V to VCC Output Current per Channel, I out ................................................. -1.0 mA to 5 mA Pulse Width (P): The number of electrical degrees that an output is high during 1 cycle. This value is nominally 180 °e or 1/2 cycle. Pulse Width Error ( ∆P): The deviation, in electrical degrees of the pulse width from its ideal value of 180 °e. State Width (S): The number of electrical degrees between a transition in the output of channel A and the neighboring transition in the output of channel B. There are 4 states per cycle, each nominally 90 °e. State Width Error ( ∆S): The deviation, in electrical degrees, of each state width from its ideal value of 90 °e. Phase ( φ): The number of elec- trical degrees between the center of the high state of channel A and the center of the high state of channel B. This value is nominally 90 °e for quadrature output. Phase Error ( ∆φ): The deviation of the phase from its ideal value of 90 °e. Direction of Rotation: When the codewheel rotates in the direction of the arrow on top of the module, channel A will lead channel B. If the codewheel rotates in the opposite direction, channel B will lead channel A. Optical Radius (R op ): The dis- tance from the codewheel’s center of rotation to the optical center (O.C.) of the encoder module. Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Units Notes Temperature T -40 125 °C Supply Voltage V CC 4.5 5.5 Volts Ripple < 100 mV p-p Load Capacitance C L 100 pF 3.3 k Ω pull-up resistor Count Frequency f 100 kHz Velocity (rpm) x N 60 Note: The module performance is guaranteed to 100 kHz but can operate at higher frequencies. Encoding Characteristics Encoding Characteristics over Recommended Operating Range and Recommended Mounting Tolerances. These Characteristics do not include codewheel/codestrip contributions. Description Sym. Typ. Case 1 Max. Case 2 Max. Units Notes Pulse Width Error ∆P 7 35 45 °e Logic State Width Error ∆S 5 35 45 °e Phase Error ∆φ 215 20 °e Case 1: Module mounted on tolerance circle of ± 0.13 mm (± 0.005 in.). Case 2: HEDT-9000 mounted on tolerances of ± 0.50 mm (0.020"). HEDT-9100 mounted ontolerances of ± 0.38 mm (0.015"). |
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