Overview
The PCF8883T/1,118 is a capacitive touch and proximity switch integrated circuit produced by NXP USA Inc. This device is designed to detect changes in capacitance on a remote sensing plate, making it suitable for various applications requiring touch or proximity sensing. The PCF8883T/1,118 features a patented digital method (EDISEN) for detecting static capacitance changes and includes automatic calibration to compensate for these changes. It operates within a wide voltage range of 3V to 9V and is known for its low power consumption, with a nominal supply current of 5 µA and an operating supply current of 3 µA.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCF8883T/1,118 |
| Number of Pins | 8 |
| Package Type | SOIC-8 |
| Min Supply Voltage | 3V |
| Max Supply Voltage | 9V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Nominal Supply Current | 5 µA |
| Operating Supply Current | 3 µA |
| Sensing Method | Capacitive |
| Lead Free | Yes |
| RoHS Compliant | Yes |
| REACH SVHC | Unaffected |
Key Features
- Digital processing method using patented EDISEN technology to detect changes in capacitance.
- Automatic calibration to compensate for static capacitance changes.
- Adjustable sensitivity and response time.
- Wide input capacitance range (10 pF to 60 pF).
- Open-drain output (P-type MOSFET) capable of pulling an external load up to 20 mA.
- Low power consumption with a nominal supply current of 5 µA and an operating supply current of 3 µA.
- Ability to sense over a large distance (several meters) between the sensing plate and the IC.
Applications
- Touch and proximity sensing in various industrial and consumer electronics applications.
- Remote sensing applications where the sensing plate can be connected directly or via a coaxial cable.
- Automotive and industrial control systems requiring low power and reliable touch or proximity detection.
- Medical devices and other applications where precise and reliable touch sensing is necessary).
Q & A
- What is the PCF8883T/1,118 used for?
The PCF8883T/1,118 is used for capacitive touch and proximity sensing in various applications.
- What is the operating voltage range of the PCF8883T/1,118?
The operating voltage range is from 3V to 9V.
- What is the nominal supply current of the PCF8883T/1,118?
The nominal supply current is 5 µA.
- Is the PCF8883T/1,118 RoHS compliant?
Yes, the PCF8883T/1,118 is RoHS compliant.
- What is the sensing method used by the PCF8883T/1,118?
The sensing method is capacitive.
- Can the PCF8883T/1,118 sense over long distances?
Yes, it can sense over distances of several meters between the sensing plate and the IC.
- What type of output does the PCF8883T/1,118 have?
The output is an open-drain output (P-type MOSFET).
- Is the PCF8883T/1,118 lead-free?
Yes, the PCF8883T/1,118 is lead-free.
- What is the maximum operating temperature of the PCF8883T/1,118?
The maximum operating temperature is 85°C.
- Does the PCF8883T/1,118 have automatic calibration?
Yes, it includes automatic calibration to compensate for static capacitance changes.
