DatasheeDatasheett Power Supply IC Series for TFT-LCD Panels Gamma voltage generated IC with built-in DAC BD81026MUV General Description Key Specifications The feature of gamma voltage generated IC Power Supply Voltage Range(VDD): 2.1V to 3.6V BD81026MUV provides a single-chip solution with a Power Supply Voltage Range(VCC): 8.0V to 18.0V 2 high-precision 10-bit DAC setting controlled by I C serial Operating Temperature Range: -25C to +85C communications interface and a buffer amp (12ch). Package W(Typ) x D(Typ) x H(Max) Features Built in 10bit DAC (12ch) Built in DAC Output Buffer Amplifier (12ch) Double Register Switch Synchronously Function (BKSEL) DAC Output Latch Function (LD) 2 I C Interface (SDA, SCL) STANDARD-MODE, FAST-MODE changeable Thermal Shut-Down Circuit Under Voltage Lock-Out Function Power ON Reset Circuit Input Tolerant ( SDA, SCL, BKSEL, LD ) VQFN024V4040 4.00mm x 4.00mm x 1.00mm Applications It may be used with TFT-LCD panels, such as big screen and high resolution LCD televisions. Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays www.rohm.com TSZ02201-0313AAF00660-1-2 2016 ROHM Co., Ltd. All rights reserved. 1/18 TSZ2211114001 19.Feb.2016 Rev.001 BD81026MUV Block Diagram 18 17 16 15 14 13 VDD REFIN VCC VDD VDD RESISTER 3.5 DAC OUT11 19 BANK A/B CTL VCC 12 N.C. VCC REFIN VDD VCC 2.5R RESISTER REFIN 3.5 DAC OUT10 20 BANK A/B 11 N.C. R VCC REFIN VDD RESISTER 3.5 DAC OUT9 21 BANK A/B 10 MODE Serial VDD REFIN VDD VCC I/F UVLO RESISTER 3.5 DAC OUT8 22 VREF BANK A/B TSD 9 VDD REFIN VDD VCC Power RESISTER ON 3.5 DAC OUT7 23 BANK A/B Reset 8 AGND REFIN VDD VCC RESISTER 3.5 DAC OUT6 24 BANK A/B 7 VCC 1 2 3 4 5 6 www.rohm.com TSZ02201-0313AAF00660-1-2 2016 ROHM Co., Ltd. All rights reserved. 2/18 TSZ2211115001 19.Feb.2016 Rev.001 VCC REFIN VDD PGND RESISTER 3.5 DAC OUT5 BANK A/B VCC REFIN VDD BKSEL RESISTER 3.5 DAC OUT4 BANK A/B REFIN VDD VCC A0 RESISTER 3.5 DAC OUT3 BANK A/B REFIN VDD VCC SDA RESISTER 3.5 DAC OUT2 BANK A/B REFIN VDD VCC SCL RESISTER 3.5 DAC OUT1 BANK A/B VCC REFIN VDD LD RESISTER 3.5 OUT0 DAC BANK A/B