BU21025GUL-E2, Resistive Touch Controller IC, 12 bit 43.48ksps Serial-I2C 4-Wire, 12-Pin VCSP50L2

  • RS Stock No. 171-4087
  • Mfr. Part No. BU21025GUL-E2
  • Manufacturer ROHM
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

BU21025GUL is a low power 4-wire resistive touchscreen controller. BU21025GUL measures coordinates and touch pressures with a 12bit A/D converter.
BU21025GUL has a digital filter for noise reduction.

4-wire resistive touch screen controller
Single 1.65V to 3.60V supply.
Low standby current ( 0.8uA max)
12bit SAR A/D converter
2-wire serial interface
Command base interface
Digital filter
Touch pressure measurement
Auto power down control
Built-in clock oscillation circuit
Applications:
Portable Data Terminal
Coin Processing Machines
Meter for Medical Treatments Portable
Car Audio
Barcode Scanner
Single Board Computer
Digital Stethoscope
Network Attached Storage
Car Navigation
X-ray Inspection Machine for Security
PND (Portable Navigation Device)
Monitor for Medical
ECG(EKG)
Fingerprint Authentication Device
Pulse Oximeter
Display for EMS
Netbook
Digital Video Camera

Specifications
Attribute Value
Conversion Rate 43.48ksps
Resolution 12 bit
Interface Type Serial-I2C
Sensing Technology Resistive
Sensing Wire Type 4-Wire
Mounting Type Surface Mount
Package Type VCSP50L2
Pin Count 12
Typical Operating Supply Voltage 3 V
Dimensions 2 x 1.5 x 0.45mm
Length 2mm
Width 1.5mm
Height 0.45mm
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -30 °C
Temporarily out of stock - back order for despatch 24/06/2020, delivery within 3 working days from despatch date
Price Each (On a Reel of 3000)
SGD 0.942
(exc. GST)
SGD 1.008
(inc. GST)
units
Per unit
Per Reel*
3000 +
SGD0.942
SGD2,826.00
*price indicative
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