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| UTC M62364 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS GENERAL DESCRIPTION The UTC M62364 is a CMOS 8-bit, 8-ch D/A converter having a multiplying function and output buffer amplifiers. It has a serial data input and can easily communicate with a microcontroller by the simple three-wiring method (DI,CLK,LD). The output buffer amplifiers operating in AB-class has both sinking and driving capabilities of 1.0mA or more and can operate in a whole supply range from VDD to GND. The IC is suitable for a use in automatic adjustment applications in conjunction with a MCU by utilizing the terminal Do for a cascading connection. CMOS IC SSOP-24 (209mil) SOP-24 FEATURES *Three-wiring serial data transmission *Doubled precision 8-ch D/A converter employing an R-2R with higher-order segment method *8 buffer amplifiers operating in a whole supply voltage range from VDD to GND *4-quadrant multiplication APPLICATION Digital to analog conversion for consumer and industrial equipment. Gain setting and automatic adjustment of display-monitor and CTV. PIN CONFIGURATION (TOP VIEW) VIN1 VOUT1 VOUT2 VIN2 VDD LD CLK DI VIN3 VOUT3 VOUT4 VIN4 1 2 3 4 24 23 22 21 5 6 7 8 9 10 11 12 20 19 18 17 16 15 14 13 VIN8 VOUT8 VOUT7 VIN7 GND RESET VDAref Do VIN6 VOUT6 VOUT5 VIN5 M62364 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R502-008,A UTC M62364 BLOCK DIAGRAM VDD 5 CMOS IC DI CLK 8 7 12-bit SHIFT REGISTERI S R 12-bi t S I FT R G TE H E D0 D 0 D1 D 1 D2 D 3 D3 D4 D 4 D5 D 5 D6 D6 D7 D 7 D8 D 8 D9 D 9 D10 D 10 D11 D 11 17 DO LD 6 ADDRESS DECODER RESET 19 8-bit Latch 8-bit Latch D-A CONVERTER D-A CONVERTER 18 VDAref + + 1 2 24 23 20 VIN1 VOUT1 VIN8 VOUT8 GND UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R502-008,A UTC M62364 EXPLANATION OF TERMINALS P IN N o. 8 17 7 6 19 2 3 10 11 14 15 22 23 23 5 5 20 20 1 1 4 4 9 9 12 12 13 13 16 16 21 21 24 24 18 18 CMOS IC Function S erial d ata in p u t Serial data outp u t S h ift clo ck in p u t. In p u t d ata o f D I are taken in to th e 12-b it sh ift reg ister o n a risin g ed g e o f th e clo ck A lo w state en ab les d ata lo ad in g to th e 12-b it sh ift reg ister. Du rin g a risin g ed g e o f L D, th e d ata w ill b e lo ad ed to th e o u tp u t reg ister Reset 8-b it latch es S ym bol DI Do CLK LD R ESET VO UT 1 VO UT 2 VO UT 3 VO UT 4 VO UT 5 VO UT 6 VO UT 7 VO UT 8 VDD GND VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 VIN8 VD Aref P o w er S u p p ly G ro u n d D/A Co n verter O u tp u t w ith 8-b it reso lu tio n D/A Converter In put D/A Converter Reference Vo ltag e Input UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R502-008,A UTC M62364 DIGITAL FORMAT *12BIT SERIAL DATA 1 DAT A D11 2 D10 3 D9 4 D8 5 D7 6 D6 7 D5 8 D4 9 D3 10 D2 CMOS IC 11 D1 (LSB) 12 D0 CLK *DATA ASSIGNMENT D0 (LSB) D1 D2 D3 D4 D5 D6 D7 (MSB) :DAC DATA D8 D9 D10 D11 :DAC SELECT DATA Dac Select Data D8 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 D9 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 D10 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 D11 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Dac Selection Don't Care VOUT1 Selection VOUT2 Selection VOUT3 Selection VOUT4 Selection VOUT5 Selection VOUT6 Selection VOUT7 Selection VOUT8 Selection Don't Care Don't Care Don't Care Don't Care Don't Care Don't Care Don't Care UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R502-008,A UTC M62364 *Digital Data Format D0 D1 D2 D3 D4 D5 D6 D7 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 1 1 1 1 1 1 DAC OUTPUT VDAref CMOS IC VIN-VDAref)/2561+VDAref (VIN-VDAref)/256x1+VDAref VIN-VDAref)/2562+VDAref (VIN-VDAref)/256x2+VDAref VIN-VDAref)/2563+VDAref (VIN-VDAref)/256x3+VDAref VIN-VDAref)/256255+VDAref (VIN-VDAref)/256x255+VDAref TIMING CHART R MSB DI D11 D10 D9 LSB D0 CLK LD Vo *Input data carried out LD signal Low besides CLKCLK signal positive edge. *Input data carried out LD signal Low besides signal positive edge. CLK,LD keep generally HIGH level. CLK,LD is keep generally HIGH level. UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R502-008,A UTC M62364 ABSOLUTE MAXIMUM RATING PARAMETER Supply Voltage Digital Input Voltage Analog Input Voltage Analog Output Voltage D-A Reference Voltage Operating Temperature Storage Temperature CMOS IC SYMBOL VDD VIND VIN VOUT VDAref Topr Tstg MEASUREMENT CONDITION VALUE -0.3 ~ +7.0 -0.3 ~ +7.0 -0.3 ~ VDD+0.3 -0.3 ~ VDD+0.3 -0.3 ~ VDD+0.3 -20 ~ +75 -40 ~ +125 UNIT V V V V V C C ELECTRICAL CHARACTERISTICS Ana/Dig Common PartVDD=5V10%VDD VIN,GND,VDAref=0V,Ta=-20~85C unless otherwise noted PARAMETER Supply Voltage Supply Current SYMBOL VDD IDD MEASUREMENT CONDUCTION MIN 2.7 CLK=1MHz,Vcc=3V,IAO=0 A LIMIT TYP 3.0 UNIT MAX 3.6 3.5 V mA Digital PartVDD=5V10%VDD VIN,GND,VDAref=0V,Ta=-20~85C unless otherwise noted PARAMETER Input Leak Current Digital Input "Low" Voltage Digital Input "High" Voltage Do Terminal Output "Low" Voltage Do Terminal Output "High" Voltage SYMBOL IILK IIL IIH VOL VOH TEST CONDUCTION VIN=0 ~VDD MIN -10 0.8VDD IOL=2.5mA IOH=-400 A VDD-0.4 LIMIT TYP UNIT MAX 10 0.2 VDD 0.4 A V V V V Analog PartVDD=5V10%VDD VIN,GND,VDAref=0V,Ta=-20~85C unless otherwise noted PARAMETER Input Current SYMBOL IIN TEST CONDUCTION MIN VIN=3V,VDAref=0V, *Proportional to max. input current condition(VIN-VDAref) and digital data of each channels. VIN=3V,VDAref=0V, *Proportional to max. input current condition(VIN-VDAref) and digital data of each channels VDD=2.61V,VDAref=0.050V (10mV/1LSB) Without Load(IAO=0) IAO=100 A IAO=500 A Upper Saturation Voltage=0.4V Lower Saturation Voltage=0.4V LIMIT TYP UNIT MAX 0.18 mA D-A Reference Input Current IDAref -1.44 mA Resolution Differential Nonlinearity Nonlinearity Buffer Amplifier Output Voltage Range Buffer Amplifier Output Current Range RES DNL NL VAO 8 -1 -1.5 0.1 0.2 -1 1 1.5 Vcc-0.1 Vcc-0.2 1 bit LSB LSB V IAO mA UTC UNISONIC TECHNOLOGIES CO., LTD. 6 QW-R502-008,A UTC M62364 PARAMETER utput Capacitative Load Buffer Amplifier Output Impedance PARAMETER Clock "L" Pulse Width Clock "H" Pulse Width Clock Rise Time Clock Fall Time Data Set Up Time Data Hold Time LD Set Up Time LD Hold Time LD "H" Pulse Duration Time Data Output Delay Time D-A Output Setting Time SYMBOL Co Ro 5 TEST CONDUCTION MIN CMOS IC LIMIT TYP UNIT MAX 0.1 F AC CharacteristicsVDD=5V10%VDD VIN,GND,VDAref=0V,Ta=-20~85C unless otherwise noted SYMBOL tCKL tCKH tCR tCF tDCH tCHD tCHL tLDC tLDH tDo tLDD TEST CONDUCTION MIN 200 200 LIMIT TYP UNIT MAX ns ns ns ns ns ns ns ns ns s 200 60 100 200 100 100 70 CL=100pF CL 100pF,VAO:0.1=2.6V This Time Until The Output Becomes The final Value Of 1/2 LSB 350 300 TIMING CHART tCR tCKH tCF CLK tCKL DI tLDH tDCH tCHD tLDC tCHL LD tLDD D-A OUTPUT tDo Do OUTPUT UTC UNISONIC TECHNOLOGIES CO., LTD. 7 QW-R502-008,A UTC M62364 CMOS IC UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 8 QW-R502-008,A |
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