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BU21026MUV-E2

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BU21026MUV-E2

IC SCREEN CON 12BIT VQFN020V4040

Manufacturer: Rohm Semiconductor

Categories: Touch Screen Controllers

Quality Control: Learn More

Rohm Semiconductor BU21026MUV-E2 is a 12-bit serial touchscreen controller designed for 4-wire resistive touchscreens. This component features an internal voltage reference and operates within a voltage supply range of 1.65V to 3.6V, drawing a low current of 120 µA. The interface is serial, and the device is housed in a compact 20-VFQFN Exposed Pad package (VQFN020V4040), suitable for surface mounting. Its operating temperature range is -30°C to 85°C. This controller is integral to applications requiring precise touch input, finding use in consumer electronics, automotive systems, and industrial control interfaces.

Additional Information

Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 12 week(s)Product Status: Not For New DesignsPackaging: Tape & Reel (TR)Datasheet:
Technical Details:
PackagingTape & Reel (TR)
Package / Case20-VFQFN Exposed Pad
Mounting TypeSurface Mount
InterfaceSerial
Operating Temperature-30°C ~ 85°C (TA)
Voltage - Supply1.65V ~ 3.6V
Resolution (Bits)12 b
Supplier Device PackageVQFN020V4040
Voltage ReferenceInternal
Touchscreen4 Wire Resistive
Current - Supply120 µA

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An integrated circuit (IC) is a semiconductor chip that contains transistors, resistors, capacitors, and other electronic components on a single silicon substrate. ICs are the foundation of modern electronics and power devices such as smartphones, computers, automotive systems, and industrial equipment.

Integrated circuits work by routing electrical signals through microscopic semiconductor components fabricated onto a silicon chip. Depending on the design, ICs can process, amplify, store, or control electronic data.

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