Overview
Description
The OB1203 is a fully integrated optical sensing module for Pulse Oximetry (PPG - photoplethysmography), multi-channel Color Sensing (CS), Ambient Light Sensing (LS) and Proximity Sensing (PS).
With the appropriate algorithm, it can determine human heart rate, blood oxygen saturation (SpO2), respiration rate and heart rate variability (a measure of stress). The OB1203 integrates all light sources, drivers, and the sensor elements, in a single optically optimized package.
A major application of the device is consumer and mobile devices, enabling biosensing features and display control in a single device. The OB1203 can determine proximity of nearby objects in order to support the deactivation of touch screen displays or the detection of a finger for pulse oximetry measurements, for example. The sensor combines optical sensing features (CS, LS, PS) and bio-sensing functionality (PPG) without the need for a transparent optical opening. The unique implementation of OB1203 enables SpO2 measurements behind IR transmissive ink, making the device virtually invisible, and allowing for aesthetic industrial designs.
Features
- Biosensor:
- SpO2 measurement behind IR transmissive, but visibly dark ink
- Industry’s smallest package: 4.2mm × 2mm × 1.2mm
- Fully integrated and trimmed module including two LEDs, 250mA max drive current and photodetectors
- High SNR and Crosstalk cancelation (analog and digital)
- Ambient Light / Color Sensor:
- High illuminance accuracy across various light sources
- Absolute sensitivity: 0.06 lx to > 150,000 lx
- Output resolution LS/CS: 13 to 20 bits
- Four LS/CS gain modes: x1 to x6
- Highly linear output, 50Hz/60Hz light and fluorescent light flicker immunity
- Proximity Sensor:
- Integrated and trimmed LED source, driver (250mA) and photodetector
- High resolution (12 to 16 bits)
- Object movement detection (in/out)
- Ambient light suppression > 100 klx sun light
Comparison
Applications
Design & Development
Software & Tools
Boards & Kits
Evaluation
US082-OB1203EVZ
Last Time Buy
Pulse Oximetry, Proximity, Light, and Color Sensor Pmod™ Board (Renesas QuickConnect IoT)
The US082-OB1203EVZ board enables quick prototyping of the OB1203 multi-channel light sensor (LS/CS), proximity sensor (PS), and photoplethysmography sensor (PPG) in a custom system design. The board provides a standard Pmod™ Type 6A (Extended I2C) connection for the on-board sensor to plug into...
Recommended Documents:
Evaluation
OB1203SD-BT2-EVK
Obsolete
Heart Rate, SpO2 and Respiration Rate Evaluation Kit with Bluetooth® Low Energy
This evaluation kit includes:
- Renesas OB1203 reflective photoplethysmography (PPG), proximity (PS) sensor
- Dialog DA14531MOD SmartBond TINY™ Module for MCU+BLE
- Renesas ISL9111 DC-DC boost converter
This OB1203SD-BT2-EVK evaluation kit for heart rate, oxygen saturation (SpO2) and...
Recommended Documents:
Evaluation
OB1203SD-RL-EVK
Obsolete
Heart Rate, SpO2 and Respiration Rate Evaluation Kit with RL78 16-bit Processor and OLED Display
The evaluation kit for heart rate, oxygen saturation (SpO2) and respiration rate uses Renesas’ highly integrated OB1203 biosensor for reflective photoplethysmography. With the provided algorithm, the kit can determine heart rate, SpO2 and respiration rate. The sensor transmits its data via an...
Recommended Documents:
Evaluation
OB1203SD-BT-EVK
Obsolete
Integrated Context Engine for Heart Rate and Blood Oxygen Saturation Measurement with Bluetooth Low Energy
The Integrated Context Engine (ICE) for biosensing includes:
- Renesas OB1203 reflective photoplethysmography (PPG), proximity (PS), and light/color (LS/CS, not used for this application) sensor
- Telink’s TLSR8258F512 microcontroller with Bluetooth® Low Energy radio
- LiPo’s LP201030 rechargeable Li-ion...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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