RPR-0521RS
Optical Proximity Sensor and Ambient Light Sensor with IrLEDThe RPR-0521RS is a optical proximity sensor and ambient light sensor with irled from Rohm Semiconductor. View the full RPR-0521RS datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Key Specifications
| Parameter | Value |
|---|---|
| Mounting Type | Surface Mount |
| Operating Temperature | -25°C ~ 85°C |
| Output Type | I2C |
| Package / Case | 8-SMD Module |
| Proximity Detection | Yes |
| Supplier Device Package | Module |
| Type | Ambient |
| Supply Voltage | 2.5V ~ 3.6V |
Overview
Part: RPR-0521RS — ROHM ELECTRONICS DALIAN CO., LTD.
Type: Optical Proximity Sensor and Ambient Light Sensor with IrLED
Description: A module integrating an optical proximity sensor, a digital ambient light sensor IC, and an infrared LED (IrLED), featuring I2C bus interface, 1.8V logic compatibility, and low current consumption.
Operating Conditions:
- Supply voltage: 2.5–3.6 V
- Operating temperature: -25 to 85 °C
- VLEDA Voltage: 2.8–5.5 V
- I2C SCL Clock Frequency: 0–400 kHz
Absolute Maximum Ratings:
- Max supply voltage: 4.5 V
- Max SDA, SCL Terminal Voltage: 4.5 V
- Max LEDA, LDR, INT Terminal Voltage: 7 V
- Max INT, SDA Sink Current: 7 mA
- Max storage temperature: -30 to 85 °C
Key Specs:
- Supply current for ALS: 90 μA (Typ, EV = 10 lx)
- Supply current for PS: 90 μA (Typ, MODE_CONTROL(41h) = 49h)
- Standby mode current: 1.0 μA (Typ, MODE_CONTROL(41h) = 00h)
- Calculated Lx: 10 lx (Typ, EV = 10 lx)
- PS sensor out (d=50mm): 80 count (Typ, LED current = 100mA)
- ILED pulse duration 1: 200 μs (Typ, MODE_CONTROL(41h) = 49h)
- LED Forward Voltage: 1.6 V (Typ, LED current = 100mA)
- LED Peak Emission Wavelength: 940 nm (Typ)
Features:
- Compatible to I2C bus interface (f/s mode support)
- Compatible to 1.8V logic interface
- Low Current consumption by power down function/mode
- Two ALS outputs for visible light (Data0) and infrared light (Data1)
- Correspond to very wide range of light intensity
- Rejecting 50Hz/60Hz light noise (ALS function)
- Detection range of proximity sensor is around 1 - 100mm (adjustable by I2C)
- Built-in current configurable IrLED driver
Applications:
- Smart phone
- Mobile phone
- Digital Still Camera
- Portable game
- Camcoder
- PDA
- LCD display
Package:
- 8-pin package (dimensions in mm, tolerance ±0.2mm)
Features
-
- Compatible to I 2 C bus interface ( f/s mode support )
-
- Compatible to 1.8V logic interface
-
- Low Current consumption by power down function/mode
-
- There are two ALS outputs; peaks of spectrum responses are in visible light (Data0) and in infrared light (Data1) for calculating illuminance.
-
- Correspond to very wide range of light intensity
-
- Rejecting 50Hz/60Hz light noise (ALS function)
-
- Detection range of proximity sensor is around 1 - 100mm (adjustable by I 2 C)
-
- Built-in current configurable IrLED driver
Electrical Characteristics
( VDD= 3.0V, Ta = 25 °C , and all registers are default unless otherwise noted. )
*1 White LED is used as optical source. 'Lx' is calculated from ADC count valus.
| Parameter | Symbol | Min. | Typ. | Max. | Units | Conditions |
|---|---|---|---|---|---|---|
| Supply current for ALS | Icc1 | 10 | 90 | 300 | μA | EV = 10 lx *1 MODE_CONTROL(41h) =89h |
| Supply current for PS | Icc2 | 10 | 90 | 200 | μA | MODE_CONTROL(41h) =49h |
| Standby mode current | Icc3 | 0.1 | 1.0 | 2.0 | μA | MODE_CONTROL(41h)=00h, No input light |
| Calculated Lx | Lx | 6 | 10 | 14 | lx | EV = 10 lx *1 MODE_CONTROL(41h)=89h ALS_PS_CONTROL(42h)=02h |
| Dark ( 0 lx ) Sensor out in TYPE0 | S0_0 | - | - | 5 | count | No input light MODE_CONTROL(41h)=89h ALS_PS_CONTROL(42h)=02h |
| Dark ( 0 lx ) Sensor out in TYPE1 | S0_1 | - | - | 5 | count | No input light MODE_CONTROL(41h)= 89h ALS_PS_CONTROL(42h)=02h |
| PS sensor out ( d=50mm *2 ) | PS50 | 48 | 80 | 112 | count | MODE_CONTROL(41h)=49h LED current =100mA |
| PS sensor out (No proximity object) | PS0 | - | - | 10 | count | Ambient irradiance = 0μW/cm 2 MODE_CONTROL(41h)=49h LED current =100mA |
| ILED pulse duration 1 | twILED 1 | 80 | 200 | 300 | us | MODE_CONTROL(41h)=49h |
| ILED pulse duration 2 | twILED 2 | 110 | 330 | 500 | us | MODE_CONTROL(41h)=69h |
| LDR terminal sink current at LDR terminal voltage = 1.3V | ILED | 22 | 25 | 28 | mA | ALS_PS_CONTROL (42h) <1:0> = '00' |
| INT output 'L' Voltage | VINTL | 0 | 0.4 | V | Iint = 3mA | |
| SCL SDAinput 'H' Voltage | VIH | 1.26 | - | - | V | |
| SCL SDAinput 'L' Voltage | VIL | - | - | 0.54 | V | |
| SCL SDAinput 'H'/'L'Current | IIHL | -10 | - | 10 | μA | |
| I 2 C SDAOutput 'L' Voltage | VOL | 0 | - | 0.4 | V | Iol = 3mA |
Object: 90% reflective white sheet (50×50mm Kodak Gray Card Plus)
Distance between the object and the product is 50mm. No glass or apertures is above the product.
- Transmitter Electrical characteristics ( Ta = 25 °C , unless otherwise noted. )
- I 2 C bus timing characteristics ( VDD= 3.0V, Ta = 25 °C , unless otherwise noted. )
| Parameter | Symbol | Min. | Typ. | Max. | Units | Conditions |
|---|---|---|---|---|---|---|
| LED Forward Voltage | VF | - | 1.6 | 1.95 | V | LED current =100mA |
| LED Peak Emission Wavelength | λ p | - | 940 | - | nm | |
| Parameter | Symbol | Min. | Typ. | Max. | Units | Conditions |
| ------------------------------------- | ---------- | -------- | -------- | -------- | --------- | -------------- |
| I 2 C SCL Clock Frequency | f SCL | 0 | - | 400 | kHz | |
| I 2 C START Condition Hold Time | t HD;STA | 0.6 | - | - | us | |
| I 2 C 'L' Period of the SCL Clock | t LOW | 1.3 | - | - | us | |
| I 2 C 'H' Period of the SCL Clock | t HIGH | 0.6 | - | - | us | |
| I 2 C S START Condition Set up time | t SU;STA | 0.6 | - | - | us | |
| I 2 C Data Hold Time | t HD;DAT | 0 | - | - | us | |
| I 2 C Data Setup Time | t SU;DAT | 100 | - | - | ns | |
| I 2 C STOP Condition Set up Time | t SU;STO | 0.6 | - | - | us | |
| I 2 C Bus Free Time | t BUF | 1.3 | - | - | us | |
| I 2 C Data Vaild Time | t VD;DAT | - | - | 0.9 | us | |
| I 2 C Data Vaild Acknowledge Time | t VD;ACK | - | - | 0.9 | us |
Absolute Maximum Ratings
| Parameter | Symbol | Limits | Units |
|---|---|---|---|
| VDD Supply Voltage | Vddmax | 4.5 | V |
| SDA, SCL Terminal Voltage | Vsdamax, Vsclmax | 4.5 | V |
| LEDA,LDR, INT Terminal Voltage | Vledamax, Vldrmax, Vintmax | 7 | V |
| Operating Temperature | Topr | -25 ~ 85 | °C |
| Storage Temperature | Tstg | -30 ~ 85 | °C |
| INT, SDASink Current | Imax | 7 | mA |
Package Information
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