仕様
| 属性 | 値 |
| Package | Tape & Reel (TR) |
| Series | PICOCAP® |
| ProductStatus | Active |
| Type | Capacitance-to-Digital Converter |
| NumberofChannels | 6 |
| Resolution(Bits) | 17 b |
| DataInterface | I²C, SPI |
| VoltageSupplySource | Single Supply |
| Voltage-Supply | 2.1V ~ 3.6V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
概要
Description
The PCAP04-BQFM-24 is a high-precision capacitance-to-digital converter (CDC) from *ams OSRAM*. It features:
- 24-bit resolution for ultra-accurate capacitive sensing.
- Differential inputs to minimize noise and drift.
- I²C/SPI interfaces for flexible communication.
- Low power consumption, suitable for portable/battery-powered devices.
- Wide capacitance range (up to 100 pF) with auto-calibration.
Ideal for touch sensing, proximity detection, and liquid-level monitoring, it integrates easily into embedded systems. The BQFM package ensures compact, robust performance in industrial and consumer applications.
For detailed specs, refer to the datasheet.
- 24-bit resolution for ultra-accurate capacitive sensing.
- Differential inputs to minimize noise and drift.
- I²C/SPI interfaces for flexible communication.
- Low power consumption, suitable for portable/battery-powered devices.
- Wide capacitance range (up to 100 pF) with auto-calibration.
Ideal for touch sensing, proximity detection, and liquid-level monitoring, it integrates easily into embedded systems. The BQFM package ensures compact, robust performance in industrial and consumer applications.
For detailed specs, refer to the datasheet.
Equivalent
The PCAP04-BQFM-24 is a programmable capacitance-to-digital converter. Equivalent or similar products include:
- AD7745/AD7746 (Analog Devices) - Capacitance-to-digital converters.
- FDC1004 (Texas Instruments) - Capacitance sensor interface.
- CY8C201xx (Cypress/Infineon) - CapSense controllers.
- LDC1314/LDC1614 (TI) - Inductive-to-digital converters (for proximity sensing).
These alternatives vary in features but serve similar sensing applications. Check datasheets for exact compatibility.
- AD7745/AD7746 (Analog Devices) - Capacitance-to-digital converters.
- FDC1004 (Texas Instruments) - Capacitance sensor interface.
- CY8C201xx (Cypress/Infineon) - CapSense controllers.
- LDC1314/LDC1614 (TI) - Inductive-to-digital converters (for proximity sensing).
These alternatives vary in features but serve similar sensing applications. Check datasheets for exact compatibility.
Features
The PCAP04-BQFM-24 is a high-precision capacitive-to-digital converter IC designed for touch and proximity sensing. Key features include:
- 24-bit resolution for accurate capacitance measurement.
- Ultra-low power consumption, suitable for battery-operated devices.
- Wide capacitance range (up to 100 pF) with auto-calibration.
- I²C/SPI interface for easy microcontroller integration.
- Built-in temperature sensor for compensation.
- Fast response time (<1 ms) for real-time applications.
- Robust against noise and environmental changes.
Ideal for touch buttons, sliders, and proximity detection in consumer electronics, automotive, and industrial systems.
- 24-bit resolution for accurate capacitance measurement.
- Ultra-low power consumption, suitable for battery-operated devices.
- Wide capacitance range (up to 100 pF) with auto-calibration.
- I²C/SPI interface for easy microcontroller integration.
- Built-in temperature sensor for compensation.
- Fast response time (<1 ms) for real-time applications.
- Robust against noise and environmental changes.
Ideal for touch buttons, sliders, and proximity detection in consumer electronics, automotive, and industrial systems.
Application
The PCAP04-BQFM-24 is a high-precision capacitive sensing IC, primarily used in:
1. Industrial Automation – Proximity sensing, liquid level detection, and material analysis.
2. Consumer Electronics – Touch controls, wearables, and smart home devices.
3. Automotive – Occupancy detection, touch interfaces, and fluid monitoring.
4. Medical Devices – Non-contact sensing for hygiene-critical applications.
5. IoT & Smart Sensors – Environmental monitoring and human-machine interfaces.
Its robust design supports harsh environments, making it ideal for demanding applications.
1. Industrial Automation – Proximity sensing, liquid level detection, and material analysis.
2. Consumer Electronics – Touch controls, wearables, and smart home devices.
3. Automotive – Occupancy detection, touch interfaces, and fluid monitoring.
4. Medical Devices – Non-contact sensing for hygiene-critical applications.
5. IoT & Smart Sensors – Environmental monitoring and human-machine interfaces.
Its robust design supports harsh environments, making it ideal for demanding applications.
Package
The PCAP04-BQFM-24 is a 24-pin QFN (Quad Flat No-Lead) package. It features a compact, surface-mount design with exposed pads for thermal and electrical performance. The "BQFM" designation typically indicates a specific QFN variant with precise dimensions and pad configurations. Suitable for high-density PCB applications, it ensures efficient heat dissipation and reliable connectivity.
