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| MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER DESCRIPTION The M62363FP is an integrated circuit semiconductor of CMOS structure with 8 channels of buil-in 8-bit multiplication type D-A converters. The input data is a easy-to-use 3-wire serial method and it is able to cascading serial use with Do terminal. The device is suited for use in automatic adjustment combination of microcomputer. PIN CONFIGURATION (TOP VIEW) VIN1 Vo1 Vo2 VIN2 VDD LD CLK DI VIN3 Vo3 Vo4 VIN4 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VIN8 Vo8 Vo7 VIN7 GND RESET VDAref Do VIN6 Vo6 Vo5 VIN5 FEATURES *Digital data transfer method 3-wire serial data transfer method *D-A converter system Employment of the additional higher-order segment R-2R method doubled precision compared to the convertional R-2R method. *Short setting time *4 Quadrant multiplication APPLICATION Convertion from digital control data to analog control data for home-use and industrial equipment. Automatic adjustment by combination with EEPROM and microcomputer.(replacement of conventional half-fixed resistor.) Signal gain control of DISPLAY-MONITOR or CTV. Outline 24P2Q-A BLOCK DIAGRAM VDD 5 DI CLK 8 7 12-BIT SHIFT RESISTER 17 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 Do LD 6 ADDRESS DECORDER 19 RESET 8-BIT LATCH D-A CONVERTER 8-BIT LATCH D-A CONVERTER 18 VDAref 1 VIN1 2 Vo1 24 VIN8 23 Vo8 20 GND MITSUBISHI ELECTRIC ( 1/8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER EXPLANATION OF TERMINALS Pin No. 8 17 7 6 19 2 3 10 11 14 15 22 23 5 20 1 4 9 12 13 16 21 24 18 Symbol DI Do CLK LD RESET Vo1 Vo2 Vo3 Vo4 Vo5 Vo6 Vo7 Vo8 VDD GND VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 VIN8 VDAref D-A converter reference voltage input terminal Vo=(VIN-VDAref) X n / 256 + VDAref Function Serial data input terminal Serial data output terminal Serial clock input terminal LD terminal input high level then latch circuit data load Reset terminal 8-bit resolution D-A output Power supply terminal GND terminal D-A converter input terminal MITSUBISHI ELECTRIC ( 2/8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER DIGITAL DATA FORMAT *12 bit serial data 1 DATA 2 3 4 5 6 7 8 9 10 11 (LSB) 12 CLK *Data assignment :DAC data (LSB) (MSB) :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 Ao1 selection Ao2 selection Ao3 selection Ao4 selection Ao5 selection Ao6 selection Ao7 selection Ao8 selection Don`t care Don`t care Don`t care Don`t care Don`t care Don`t care Don`t care *Digital data format (LSB) D0 0 1 0 1 1 D2 0 0 1 1 1 D3 0 0 0 0 1 D4 0 0 0 0 1 D5 0 0 0 0 1 D6 0 0 0 0 1 (MSB) D7 0 0 0 0 1 D-A Output VDAref (VIN-VDAref) / 256 X 1 +VDAref (VIN-VDAref) / 256 X 2 +VDAref (VIN-VDAref) / 256 X 3 +VDAref (VIN-VDAref) / 256 X 255 +VDAref MITSUBISHI ELECTRIC ( 3/8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER TIMING CHART (MODEL) R MSB DI D11 D10 D9 LSB D0 CLK LD Vo *Input data is carried out LD signal low besides CLK signal positive edge.CLK,LD,is keep generally High level. MITSUBISHI ELECTRIC ( 4 /8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER ABSOLUTE MAXIMUM RATINGS Symbol VDD VIND VIN Vo VDAref Topr Tstg Parameter Supply voltage Input voltage Input voltage Output voltage D-A reference voltage Operating temperature Storage tempareture Conditions Ratings -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 Digital part(VDD,VIN=+5V10%, VDDVIN,GND=VDAref=0V,Ta=20 ~ 75C,unless otherwise noted) Symbol VDD IILK IIL IIH VOL VOH Parameter Supply voltage Input leak current Input low voltage Input high voltage Output low voltage Output high voltage VIN=0~VDD Test conditions Min. 4.5 -10 0.8VDD IOL=2.5mA IOH=-400A VDD-0.4 0.4 Limits Typ. 5.0 Max. 5.5 10 0.2VDD Unit V A V V V V Analog part(VDD,VIN=+5V10%, VDDVIN,GND=VDAref=0V,Ta=-20 ~ +75C,unless otherwise noted) Symbol Parameter Test conditions VIN=5V,VDAref=0V *Proportional to max.Input current condition(VIN-VDAref)and digital data of each channels VIN1~VIN8=5V,VDAref=0V *Proportional to max.Input current condition(VIN-VDAref)and digital data of each channels Constant for all D-A output mode 8 -1 -1 1 1 Min. Limits Typ. 0.30 Max. Unit IIN Input current mA IDAref D-A reference input current -2.40 50 mA k bit LSB LSB RO RES DNL NL Output inpedance Resolution Diffrential nonlinearity Nonlinearity MITSUBISHI ELECTRIC ( 5/8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER AC CHARACTERISTICS(VDD,VIN=+5V10%, VDDVIN,GND=VDAref=0V,Ta=-20 ~ +75C,unless otherwise noted) Symbol tCKL tCKH tCR tCF tDCH tCHD tCHL tLDC tLDH tDo tLDD 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 width Data output delay time D-A output setting time Input*Output replay time Less than CL=100pF Without load f=10kHz Test conditions Min 200 200 Limits Typ Max Unit ns ns ns ns ns ns ns ns ns 350 5 5 ns s s 200 200 60 100 200 100 100 70 TIMING CHART tCR tCKH tCF CLK tCKL DI tDCH tCHD tLDH tCHL LD tLDC tLDD D-A OUTPUT tDo Do OUTPUT MITSUBISHI ELECTRIC ( 6/8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER OPERATING DESCRIPTION VDD GND DI CLK 12BIT SHIFT RESISTER DO RESET VIN1 VIN2 VIN3 VIN4 VIN5 DECODER LD (ch1)LATCH +R-2R LADDER (ch2)LATCH +R-2R LADDER (ch3)LATCH +R-2R LADDER (ch4)LATCH +R-2R LADDER (ch5)LATCH +R-2R LADDER (ch6)LATCH +R-2R LADDER (ch7)LATCH +R-2R LADDER Vo1 Vo2 Vo3 Vo4 Vo5 VIN6 VIN7 VIN8 VDAref 2.5V Vo6 Vo7 Vo8 (ch8)LATCH +R-2R LADDER + OP1 + - OP2 X2.4 R *Ch1-Ch7 becomes multiplication type D-A converter action of 0~5V range by each output adds OP1. R *Ch8 become 4 quadrant multiplication of 0~12V range at 6V center by add OP1 and OP2 to this channel. MITSUBISHI ELECTRIC ( 7/8) MITSUBISHI M62363FP 8-BIT 8CH D-A CONVERTER 1.The value of Vo depend on output direct buffer. Vo=(VIN-VDAref) * n 256 + VDAref.................(1) (n=0~255) VOP2=VOP1X2.4.........................................................(3) VOP1 0 6.00 11.95 n 0 128 255 VOP1 12.00 6.00 0.05 APPLICATION EXAMPLE OF CASCADE CONNECTION DI MICRO COMPUTER CLK LD LD CLK DI Do LD DI CLK VIN1 Vo1 ch1 VIN1 Vo1 ch9 VIN8 VDAref Vo8 ch8 2.5V VIN8 Vo8 + - + - ch16 *In this example,M62363X2 are connected in cascode. *A 24-bit input data can be used to automatically control up to 16 channels. MITSUBISHI ELECTRIC ( 8/8) |
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