BU24020GU

1/3 ◇Structure ◇Product Series ◇Type ◇Applications ◇Functions Silicon monolithic integrated circuit Lens control LSI BU24020GU Digital still cameras ・Built-in 4 channels Driver block : 1-4ch Voltage control type H-bridge(Adaptable to STM 2systems) ・Built-in 2 channels PI driving circuit ・Built-in PLL circuit ◇Absolute maximum ratings (Ta  25C) Parameter Symbol DVDD Power supply voltage MVCC Input voltage VIN Limits -0.3～4.5 -0.3～7.0 -0.3～DVDD+0.3 ±500 Input/output current *1 IIN ＋50 Storage temperature range TSTG -55～125 Operating temperature range TOPE -20～85 Permissible dissipation 2 PD 800 This product is not designed for anti-radiation applications. *1 Must not exceed PD. *2 To use at a temperature higher than Ta=25 C, derate 11mW per 1 C (At mounting 50mm x 58mm x 1.75mm glass epoxy board. ) Unit V V V mA mA C C mW Remark MVCC12,MVCC34 MVCC12,MVCC34 by PIOUT pin ◇Operating conditions (Ta  25C) Parameter Digital power supply voltage Driver power supply voltage clock operating frequency Symbol DVDD MVCC FCLK Limits 2.7～3.6 2.7～5.5 1～28 Unit Ｖ V MHz Remark ＤVDD≦MVCC MVCC12,MVCC34 Reference clock REV. A 2/3 ◇Block Diagram DVDD DVDD MVCC12 MVCC12 DVDD DVSS DVDD DVDD PREDRIVER OUT1A OUT1B POR TSD MGND12 MVCC12 TEST FCLK CSB SCLK SDATA SOUT PREDRIVER MVCC12 OUT2A OUT2B MGND12 STATE1 STATE2 Logic MVCC34 MVCC34 PREDRIVER OUT3A OUT3B MGND34 MVCC34 MVCC34 PREDRIVER OUT4A OUT4B MGND34 REV. A 3/3 ◇Pin functions Land Matrix No. C5 D2 A5 B4 D3 C4 B5 C2 B3 C3 B1 D4 A2 D1 A1 C1 A3 A4 E4 E1 E5 D5 E3 E2 Pin name DVDD DVSS FCLK CSB SCLK SDATA SOUT STATE1 STATE2 TEST PIOUT1 PIOUT2 MVCC12 MGND12 OUT1A OUT1B OUT2A OUT2B MVCC34 MGND34 OUT3A OUT3B OUT4A OUT4B Power supply DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD DVDD MVCC12 MVCC12 MVCC12 MVCC12 MVCC34 MVCC34 MVCC34 MVCC34 Function Digital power supply ground FCLK logic input CSB logic input SCLK logic input SDATA logic input SOUT logic output STATE1 logic input/output STATE2 logic input/output TEST logic output PI driving output 1 PI driving output 2 1ch, 2ch Driver power supply 1ch, 2ch Driver ground 1ch Driver A output 1ch Driver B output 2ch Driver A output 2ch Driver B output 3ch, 4ch Driver power supply 3ch, 4ch Driver ground 3ch Driver A output 3ch Driver B output 4ch Driver A output 4ch Driver B output ◇Outline dimensions/Marking figure Ｕ24020 Lot No. VCSP85H2 ◇Pin assignment diagram (bottom view) E MGND34 OUT4B OUT4A MVCC34 OUT3A D MGND12 DVSS SCLK PIOUT2 OUT3B C OUT1B STATE1 TEST SDATA DVDD B PIOUT1 STATE2 CSB SOUT A OUT1A MVCC12 OUT2A OUT2B FCLK 1 2 3 4 5 ◇Cautions on use (1)Absolute maximum ratings If applied voltage, operating temperature range, or other absolute maximum ratings are exceeded, the LSI may be damaged. Do not apply voltages or temperatures that exceed the absolute maximum ratings. If you expect that any voltage or temperature could be exceeding the absolute maximum ratings, take physical safety measures such as fuses to prevent any conditions exceeding the absolute maximum ratings from being applied to the LSI. (2)GND potential Maintain the GND pin at the minimum voltage even under any operating conditions. Actually check to be sure that none of the pins have voltage lower than that of GND pin, including transient phenomena. (3)Thermal design With consideration given to the permissible dissipation under actual use conditions, perform thermal design so that adequate margins will be provided. (4)Short circuit between pins and malfunctions To mount the LSI on a board, pay utmost attention to the orientation and displacement of the LSI. Faulty mounting to apply a voltage to the LSI may cause damage to the LSI. Furthermore, the LSI may also be damaged if any foreign matters enter between pins, between pin and power supply, or between pin and GND of the LSI. (5)Operation in strong magnetic field Make a thorough evaluation on use of the LSI in a strong magnetic field. Not doing so may malfunction the LSI. REV. A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. 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