SFH7770E6

Umgebungslicht und Näherungssensor Ambient Light and Proximity Sensor Lead (Pb) Free Product - RoHS Compliant SFH 7770 E6 DRAFT - This design is for reference only. Subject to change without notice. Wesentliche Merkmale Features • Näherungssensor - Detektionsbereich bis 200mm - Programmierbare Integrationszeit - Gestenerkennung - Betrieb von bis zu drei IR Emittern - Optimiert für 850nm Emitter - Umgebungslicht-Unterdrückung • Umgebungslichtsensor - 0.03lx - 65000lx - Programmierbare Integrationszeit - Gute Linearität - Spektrale Empfindlichkeit ähnlich dem menschlichen Auge 2 • I C interface - 100kHz / 400kHz und 3.4MHz Mode - verschiedene Messmoden programmierbar (STAND-BY, TRIGGERED, FREE-RUNNING) • < 5 µA Stromverbrauch im STAND-BY • Geringe Abmessungen, 2.8 x 2.8 x 0.9 mm3 • Proximity Sensor (PS) - Detection-range up to 200mm - Programmable PS integration time - Gesture recognition possible - Outputs to drive up to three IR emitters - Optimized for 850nm emitters - Suppression of ambient light • Ambient Light Sensor (ALS) - 0.03lx - 65000lx - Programmable ALS integration time - High linearity - Spectral sensitivity well matched to the human eye • I2C interface - 100kHz / 400kHz and 3.4MHz mode - Measurement modes programmable (STAND-BY, TRIGGERED, FREE-RUNNING) • Current consumption < 5µA in STAND-BY • Small package size, 2.8 x 2.8 x 0.9 mm3 Anwendungen Applications • • • • • • • • Mobiltelefone PDA’s und Notebooks Kameras Consumer Produkte Typ Type SFH 7770 E6 2012-08-23 Mobile phones PDAs and notebooks Cameras Consumer products Bestellnummer Ordering Code Q65111A3146 1 SFH 7770 E6 Application diagram and basic informations VDD=2.8V VLED=4V VIO = 1.8V Vf1 LED 3 1 LED 2 2 LED 1 3 9 6 100nF 8 5 nc 7 GND SDA SCL MCU SFH 7770 E6 10 pull-up Vf2 pull-up Vf3 pull-up 10µF INT 4 GND_LED • The inductivity of the wire from the LED pin (1,2 or 3) to the cathode of the LED needs to be 2.0V can lead to minor timing violations to the I²C bus specification from NXP concerning the minimum/maximum hold time requirement. 2012-08-23 5 DRAFT - This design is for reference only. Subject to change without notice. SFH 7770 E6 Characteristics (Ta = 25°C ) Parameter Symbol Value min. typ. Unit max. General Conditions for OFF mode 1) On-time (from OFF to STAND-BY) 1) Threshold level for STAND-BY mode 1) VDD,off 1.4 V ton 0.2 s VDD,on 2.0 V Transition time between modes ttrans (STAND-BY ...TRIGGERED ...FREE-RUNNING) 10 ms STAND-BY mode current consumption IDD,stby 5 µA OFF mode current consumption IDD,off 2 µA 1) Start-up sequence VDD 2.0V 1.4V upper threshold limit lower threshold llimit ton t on