IRM-2638S5F4 Page 1 of 4 Electronic Optical Characteristics (Ta = 25°C, and Vcc = 3 V) Parameter Symbol Min. Typ. Max. Units Condition Consumption Current ICC — 1.2 — mA No signal input B.P.F. Center Frequency Peak Wavelength Fo 38 940 — — 45 45 — — — — — — KHz nm High Level Pulse Width θh θv TH — — 8 5 — — 400 — 800 µs Low Level Pulse Width TL 400 — 800 µs High Level Output Voltage VH 4.5 — — V Low Level Output Voltage VL — 0.2 0.5 V Reception Distance Half Angle (Horizontal) Half Angle (Horizontal) λp L0 L45 m deg deg At the ray axis *1 At the ray axis *2 *1: The ray receiving surface at a vertex and relation to the ray axis in the range of θ= 0° and θ=45°. *2: A range from 30 cm to the arrival distance. Average value of 50 pulses. * Specifications subject to change without notice. Dimensions are in mm ±0.3 unless stated otherwise. IDEA, Inc., 1351 Titan Way, Brea, CA 92821 Ph: 714-525-3302, 800-LED-IDEA; Fax: 714-525-3304 0512 IRM-2638S5F4 Page 2 of 4 Absolute Maximum Ratings at Ta = 25 ˚C Parameter Symbol Rating Units Supply Voltage VCC 0~6 V Operating Temperature Topr -25 ~ +80 ˚C Storage Temperature Tstg -40 ~ +85 ˚C Soldering Temperature a Tsol 260 ˚C a. 4 mm from mold body less than 10 seconds Block Diagram: Application Circuit: RC Filter should be connected closely between VCC pin and GND pin. * Specifications subject to change without notice. Dimensions are in mm ±0.3 unless stated otherwise. IDEA, Inc., 1351 Titan Way, Brea, CA 92821 Ph: 714-525-3302, 800-LED-IDEA; Fax: 714-525-3304 0512 IRM-2638S5F4 Page 3 of 4 Test Method: The specified electro-optical characteristics are satisfied under the following conditions at the controlled distance. 1. Lighting conditions a. Measurement location should be free of bright sunlight. b. Ambient illumination should be from ordinary white fluorescent lamps (not high frequency lamps) and must be less than 10 Lux at the module surface. (Ee ≤ 10 Lux) 2. Standard transmitter A transmitter whose output is adjusted to V0 = 400 mV p-p and with output waveform shown in Fig.-1. The standard transmitter is specified according to the measurement method shown in Fig.-2. 3. Measuring system The measuring system is shown in Fig.-3. * Specifications subject to change without notice. Dimensions are in mm ±0.3 unless stated otherwise. IDEA, Inc., 1351 Titan Way, Brea, CA 92821 Ph: 714-525-3302, 800-LED-IDEA; Fax: 714-525-3304 0512 IRM-2638S5F4 Page 4 of 4 Typical Electro-Optical Characteristics Curves Fig. 4. Relative Spectral Sensitivity vs. Wavelength Fig. 5. Relative Transmission Distance vs. Direction Fig. 6. Output Pulse Length vs. Arrival Distance Fig. 7. Arrival Distance vs. Supply Voltage * Specifications subject to change without notice. Dimensions are in mm ±0.3 unless stated otherwise. IDEA, Inc., 1351 Titan Way, Brea, CA 92821 Ph: 714-525-3302, 800-LED-IDEA; Fax: 714-525-3304 0512