BU97981GU-ZE2 by Rohm
Low Duty LCD Segment Drivers
| Status: | Recommended |
|---|---|
| Series: | - |
| RoHS: | Compliant |
Features
| 1/4, 1/3duty or Static setting selectable 1/4duty driving: Max 196 segments 1/3duty driving: Max 147 segments Static driving: Max 49 segments |
| 1/3 bias setting |
| Power supply for Interface: 1.8V to 3.6V |
| Power supply for LCD: 3.3V to 5.5V |
| Integrated LCD voltage driving circuit |
| Integrated oscillation circuit for LCD frame frequency |
| Line or Frame inversion driving selectable |
| Integrated 31ch general purpose outputs (SEG selectable) |
| Integrated 3ch LED driver able to support 4096 step PWM illumination |
| Support individual blink function with dedicated blink RAM integrated |
| Support 3 wire serial interface |
| Support INHb terminal to control Display ON/OFF |
| Integrated voltage detected type power on reset circuit |
| No external components required |
| Low power consumption design |
| Small BGA package |
Specifications
| Grade | Consumer |
|---|---|
| Segment Element | 196 |
| Duty | 1/4, 1/3, Static |
| Bias | 1/3 |
| Elements of MUX 1:1 | 49 |
| Elements of MUX 1:3 | 147 |
| Elements of MUX 1:4 | 196 |
| Interface [line serial] | 3wire |
| Interface Voltage (Min.)[V] | 1.8 |
| Interface Voltage (Max.)[V] | 3.6 |
| Power Supply for LCD (Min.) [V] | 3.3 |
| Power Supply for LCD (Max.) [V] | 5.5 |
| Max GPO [port] | 31 |
| LED Driver [port] | 3 |
| LCD Driving Waveform | Line/Frame |
| Operating Temperature (Min.)[°C] | -30 |
| Operating Temperature (Max.)[°C] | 75 |
| Package Size [mm] | 5x5 (t=1.2) |
Resources
Data Sheet |
|---|
| BU97981GU Data Sheet |
Application Note |
|---|
| Design Guide and Example of Stencil for Exposed Pad |
Schematic Design & Verification |
|---|
| Impedance Characteristics of Bypass Capacitor |
Package Information |
|---|
| Package Information |
Manufacturing Data |
|---|
| Factory Information |
Environmental Data |
|---|
| UL94 Flame Classifications of Mold Compound |
| Compliance with the ELV directive |
| RoHS Comission Delegated Directive |
Export Information |
|---|
| The Export Control Order |
| Export Administration Regulations(EAR) |
Alternative Descriptions
| Multi-Function LCD Segment Driver 49segx4COM 1.8V to 3.6V Supply Voltage 31-Port GPU Output 3-Port LED Drive Output 64-Pin VBGA Emboss T/R | Avnet America |
| LCD SEGMENT DRIVER, 196 SEG, VBGA-64 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a BU97981GU-ZE2?
Additional datasheets, footprints and schematics for BU97981GU-ZE2 are listed on our Part Details page. You can also find images and similar parts to BU97981GU-ZE2 on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for BU97981GU-ZE2 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view BU97981GU-ZE2 price breaks, MOQs, lead times, inventory and SKUs from distributors.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the BU97981GU-ZE2 you can contact the distributor directly for product support, shipping queries etc.
Is the BU97981GU-ZE2 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ROHM Semiconductor.
Which authorised distributors for BU97981GU-ZE2 have stock available?
Authorised distributors including CoreStaff, Chip One Stop, Avnet America and Farnell have stock available or on a lead time for BU97981GU-ZE2.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for BU97981GU-ZE2 often in real-time on the comparison pages.
What if I can't find stock of BU97981GU-ZE2?
You can fill out our help required form which you can use to request a quote for BU97981GU-ZE2 from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.