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| Single Emitter Bar Code Optic Head OTBC-04XX Series (OTR480/490/482) FEATURES: * * * * Single Emitter Bar Code / Fine Line Sensor Better than 0.010" Resolution Compact Size Easily Ganged for Multiple Channels PRODUCT DESCRIPTION The OTBC-04XX series combine a single emitter with a phototransistor in a compact low cost package containing a lens and aperture. The OTBC-0480 has a 940 nm infrared emitter and a phototransistor. The OTBC-0490 has a 660 nm visible red emitter and a phototransistor. The OTBC-0482 has a 940 nm infrared emitter and a phototransistor with an ambient light filter, for use in high ambient light conditions. These devices are easily ganged for multi-channel applications. Consult factory for custom apertures, emitters, or sensors. Absolute Maximum Ratings General Storage Temperature Range------------------------------------------------------------------------------------------------------------------ - 55C to +100C Operating Temperature Range ----------------------------------------------------------------------------------------------------------------- - 40C to +85C Lead Soldering Temperature (1/16" from case for 5 seconds soldering iron, 10 seconds flow soldering)--------------------------------------------------------------------------------------------- 260C Infrared Emitter (940 nm) Reverse Voltage ---------------------------------------------------------------------------------------------------------------------------------------------------- 5 V Continuous Forward Current ------------------------------------------------------------------------------------------------------------------------------ 120 mA Peak Forward Current ------------------------------------------------------------------------------------------------------------------------------------------ 1.5 A Power Dissipation ------------------------------------------------------------------------------------------------------------------------------------------- 100 mW Visible Emitter (660 nm) Reverse Voltage ---------------------------------------------------------------------------------------------------------------------------------------------------- 4 V Continuous Forward Current ------------------------------------------------------------------------------------------------------------------------------- 40 mA Peak Forward Current --------------------------------------------------------------------------------------------------------------------------------------- 300 mA Power Dissipation ------------------------------------------------------------------------------------------------------------------------------------------- 100 mW Phototransistor Collector-Emitter Voltage --------------------------------------------------------------------------------------------------------------------------------------- 30 V Emitter-Collector Voltage ----------------------------------------------------------------------------------------------------------------------------------------- 5 V Power Dissipation (Derate 2.4 mW/C above 25C) ----------------------------------------------------------------------------------------------- 100 mW RHOPOINT COMPONENTS LTD Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX Tel: +44 (0)1883 717988 Fax: +44 (0)1883 712938 Page 1 of 3 Email: sales@rhopointcomponents.com Web: www.rhopointcomponents.com Single Emitter Bar Code Optic Head OTBC-04XX Series (OTR480/490/482) Product Specifications (TA = 25C unless noted) Infrared Emitter (OTBC-048X) Parameter Forward Voltage (IF = 50 mA) Reverse Current (VR = 5 V) Peak Wavelength (IF = 20 mA) Radiant Intensity (IF = 20 mA) Spectral Bandwidth at 50% (IF = 20 mA) Half Intensity Beam Angle Visible Emitter (OTBC-049X) Parameter Forward Voltage (IF = 20 mA) Reverse Current (VR = 4 V) Peak Wavelength (IF = 20 mA) Luminous Intensity (IF = 20 mA) Spectral Bandwidth at 50% (IF = 20 mA) Half Intensity Beam Angle Phototransistor (OTBC-04X0) Parameter 2 Light Current (Ee=0.1mW/cm , VCE=5V) Dark Current (Ee=0, VCE=10V) 2 Saturation Voltage (IC=0.5mA, Ee=0.1mW/cm ) Rise Time (VCC=5V, RL=1k, IC=1mA) Fall Time (VCC=5V, RL=1k, IC=1mA) Coupled Characteristics Parameter Symbol Min Typ 1 Light Current (IF = 20 mA, VCE = 5V, d = 0.125 in) ICE(ON) 5 10 Dark Current (IF = 0 mA, VCE = 5V) ICE0 6 dB Bandwidth 3 1 Reflecting surface is Eastman Kodak neutral white test card having a 90% diffused reflectance. Reflective Surface Parameter Element Contrast Diffused Reflectance Element Width Narrow Element to Narrow Space Ratio Depth of Field Symbol Min (80%) (90%) 0.010 0.090 Typ Max Units % % in in Max 200 Units A nA kHz Symbol ICE(ON) ICE0 VCE(SAT) Tr Tf Min 1 Typ 2.8 Max 100 0.4 15 15 Units mA nA V s s Symbol VF IR P IV Min Typ 1.8 660 500 20 10 Max 2.4 100 Units V A nm mcd nm Degrees Symbol VF IR P I Min Typ 1.3 940 2.5 50 10 Max 1.45 100 Units V A nm mW/sr nm Degrees 1.3 250 WN d 0.95 0.125 0.160 RHOPOINT COMPONENTS LTD Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX Tel: +44 (0)1883 717988 Fax: +44 (0)1883 712938 Page 2 of 3 Email: sales@rhopointcomponents.com Web: www.rhopointcomponents.com Single Emitter Bar Code Optic Head OTBC-04XX Series (OTR480/490/482) Suggested Application Circuit The above circuit represents an adaptive dual peak detector with a first stage transimpedance amplifier. This circuit is recommended for typical bar code or fine element sensing applications using the OTBC-04XX series optic heads. The first amplifier servers as a current-to-voltage amplifier (transimpedance). The second part of the circuit provides positive and negative peak detection. The peak voltages are temporarily stored in the 0.1 F capacitors. The comparator reference is approximately 45% of the peak-to-peak amplitude. This, in effect, provides an adaptive threshold to the comparator based on the voltage peaks of the incoming signal. The 2.2 M resistor on the last stage (indicated with an *) sets the positive feedback, and combined with the 10 k input resistor the hysterisis is set to approximately 25 mV. Setting the 2.2 M resistor to 100 k will increase the hysterisis to 500 mV, but response will be sacrificed. Vout is low for reflectance and high (+5V) for no reflectance (i.e., sensing a dark mark). Ordering Information OTBC-04X X-XX Emitter: (8) 940 nm Infrared (9) 660 nm Visible Red Aperture Size: (0) 0.006" x 0.090" (C) Custom Number of Channels: (1) 1 channel (2) 2 channels (NN) NN channels Note: Test capability to better than 0.003" channel-to-channel alignment available. Sensor: (0) Phototransistor (2) Phototransistor w/ ambient filter Note: Option 2 available with infrared emitter only. RHOPOINT COMPONENTS LTD Holland Road, Hurst Green, Oxted, Surrey, RH8 9AX Tel: +44 (0)1883 717988 Fax: +44 (0)1883 712938 Page 3 of 3 Email: sales@rhopointcomponents.com Web: www.rhopointcomponents.com |
Price & Availability of OTBC-0480-1C
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