VEML7700 www.vishay.com Vishay Semiconductors 2 High Accuracy Ambient Light Sensor With I C Interface FEATURES Package type: surface-mount Package: side view Dimensions (L x W x H in mm): 6.8 x 2.35 x 3.0 Integrated modules: ambient light sensor (ALS) Supply voltage range V : 2.5 V to 3.6 V DD 2 Communication via I C interface Floor life: 72 h, MSL 4, according to J-STD-020 44 Low shut down current consumption: typ. 0.5 A 33 Material categorization: for definitions of compliance 22 please see www.vishay.com/doc 99912 11 AMBIENT LIGHT FUNCTION Pinning TM Filtron technology adaption: close to real human eye 1: SCL response TM 2: V O-Trim technology adoption: ALS output tolerance DD 10 % 3: GND 16-bit dynamic range for ambient light detection from 4: SDA 0 lx to about 120 klx with resolution down to 0.0036 lx/ct, supports low transmittance (dark) lens design DESCRIPTION 100 Hz and 120 Hz flicker noise rejection VEML7700 is a high accuracy ambient light digital 16-bit resolution sensor in a miniature transparent 6.8 mm x Excellent temperature compensation 2.35 mm x 3.0 mm package. It includes a high sensitive High dynamic detection resolution photo diode, a low noise amplifier, a 16-bit A/D converter Software shutdown mode control 2 and supports an easy to use I C bus communication interface. APPLICATIONS The ambient light result is as digital value available. Ambient light sensor for backlight dimming of e.g. TV displays, smart phones, touch phones, PDA, GPS Ambient light sensor for industrial on- / off-lighting operation Optical switch for consumer, computing, and industrial devices and displays PRODUCT SUMMARY 2 OPERATING I C BUS AMBIENT OPERATING AMBIENT ADC RESOLUTION VOLTAGE VOLTAGE LIGHT OUTPUT PART NUMBER RANGE LIGHT RANGE PROXIMITY / RANGE RANGE RESOLUTION CODE (mm) (lx) AMBIENT LIGHT (V) (V) (lx) 2 VEML7700 n/a 2.5 to 3.6 1.7 to 3.6 0 to 120 000 0.0036 16 bit, I C - / 0.0036 ORDERING INFORMATION (1) ORDERING CODE PACKAGING VOLUME REMARKS VEML7700-TR Tape and reel MOQ: 2300 (MOQ is one reel) Side view VEML7700-TT Tape and reel MOQ: 2200 (MOQ is one reel) Top view Note (1) MOQ: minimum order quantity Rev. 1.5, 23-Mar-2021 Document Number: 84286 1 For technical questions, contact: sensorstechsupport vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 VEML7700 www.vishay.com Vishay Semiconductors ABSOLUTE MAXIMUM RATINGS (T = 25 C, unless otherwise specified) amb PARAMETER TEST CONDITION SYMBOL MIN. MAX. UNIT Supply voltage V 04 V DD Operation temperature range T -25 +85 C amb Storage temperature range T -25 +85 C stg Total power dissipation T 25 C P -50 mW amb tot Junction temperature T - 100 C j BASIC CHARACTERISTICS (T = 25 C, unless otherwise specified) amb PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT Supply voltage V 2.5 3.3 3.6 V DD Shut down current (rem 2) V is 3.3 V I -0.5 - A DD sd V is 3.3 V, PSM = 11, refresh time 4100 ms I -2 - A DD DD Operation mode current (rem 2) V is 3.3 V, PSM = 00, refresh time 600 ms I -8 - A DD DD V is 3.3 V, PSM EN = 0, refresh time 100 ms I 45 - A DD DD 2 I C clock rate range f 10 - 400 kHz SCL 2 I C bus input H-level range V is 3.3 V V 1.3 - 3.6 V DD ih 2 I C bus input L-level range V is 3.3 V V -- 0.4 V DD il Digital current out I 3- - mA ol (low, current sink) Digital resolution (LSB count) With ALS GAIN = 01 - 0.0036 - lx/step Detectable minimum illuminance With ALS GAIN = 01 E - 0.0072 - lx V min. Detectable maximum illuminance With ALS GAIN = 10 E - 120 000 - lx V max. Dark offset (rem 2) With ALS GAIN = 01 - 3 - step Note rem 1: light source: white LED rem 2: light conditions: dark CIRCUIT BLOCK DIAGRAM VEML7700 SCL 1 Temperature sensor ALS-PD Low pass V 2 DD filter Timing GND 3 controller Oscillator SDA 4 Fig. 1 - Block Diagram Rev. 1.5, 23-Mar-2021 Document Number: 84286 2 For technical questions, contact: sensorstechsupport vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 Output buffer 2 I C interface