BU21078FV-E2, Capacitive Touch Screen Controller, 8 bit 2-Wire, 28-Pin SSOP-B
- RS stock no.:
- 185-1355
- Mfr. Part No.:
- BU21078FV-E2
- Manufacturer:
- ROHM
Unavailable
RS will no longer stock this product.
- RS stock no.:
- 185-1355
- Mfr. Part No.:
- BU21078FV-E2
- Manufacturer:
- ROHM
Specification
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | ROHM | |
| Resolution | 8 bit | |
| Sensing Technology | Capacitive | |
| Sensing Wire Type | 2-Wire | |
| Mounting Type | Surface Mount | |
| Package Type | SSOP-B | |
| Pin Count | 28 | |
| Typical Operating Supply Voltage | 3 to 5.5 V | |
| Dimensions | 10.35 x 5.6 x 1.15mm | |
| Sensor Type | Touch Screen Controllers | |
| Length | 10.35mm | |
| Width | 5.6mm | |
| Height | 1.15mm | |
| Maximum Operating Temperature | +85 °C | |
| Minimum Operating Temperature | -20 °C | |
| Select all | ||
|---|---|---|
Brand ROHM | ||
Resolution 8 bit | ||
Sensing Technology Capacitive | ||
Sensing Wire Type 2-Wire | ||
Mounting Type Surface Mount | ||
Package Type SSOP-B | ||
Pin Count 28 | ||
Typical Operating Supply Voltage 3 to 5.5 V | ||
Dimensions 10.35 x 5.6 x 1.15mm | ||
Sensor Type Touch Screen Controllers | ||
Length 10.35mm | ||
Width 5.6mm | ||
Height 1.15mm | ||
Maximum Operating Temperature +85 °C | ||
Minimum Operating Temperature -20 °C | ||
BU21078FV is a capacitive sensor controller for switch operation. In addition to a regular simple switch, support matrix switches which are arranged in the matrix sensors. If external noise and temperature drift are detected, the automatic self-calibration is operated. Include LED controller with PWM function.
12 capacitive sensor ports
Supported Matrix switches. Maximum 36 switches
Automatic self-calibration
Continued touch detection
LED controller with PWM function
Inform the detected result of switch operation by interrupt
2-wire serial bus interface
Single power supply
Built-in Power-On-Reset and Oscillator
Supported Matrix switches. Maximum 36 switches
Automatic self-calibration
Continued touch detection
LED controller with PWM function
Inform the detected result of switch operation by interrupt
2-wire serial bus interface
Single power supply
Built-in Power-On-Reset and Oscillator