MITSUBISHI<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER PIN CONFIGURATION (TOP VIEW) 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. 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 VIN1 1 24 VIN8 Vo1 2 23 Vo8 Vo2 3 22 Vo7 VIN2 4 21 VIN7 VDD 5 20 GND LD 6 19 RESET CLK 7 18 VDAref DI 8 17 Do VIN3 9 16 VIN6 Vo3 10 15 Vo6 Vo4 11 14 Vo5 VIN4 12 13 VIN5 17 Do 6 LD Outline 24P2Q-A 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. BLOCK DIAGRAM VDD 5 DI 8 CLK 7 12-BIT SHIFT RESISTER D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 ADDRESS DECORDER 8-BIT LATCH 8-BIT LATCH D-A CONVERTER D-A CONVERTER 19 RESET 18 VDAref 1 VIN1 2 Vo1 MITSUBISHI ELECTRIC 24 23 20 VIN8 Vo8 GND ( 1 / 8 ) MITSUBISHI<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER EXPLANATION OF TERMINALS Pin No. 8 17 7 6 19 2 3 10 Symbol DI Do CLK LD RESET Vo1 Vo2 Vo3 11 14 15 22 23 Vo4 Vo5 Vo6 Vo7 Vo8 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 5 VDD Power supply terminal 20 1 4 9 GND VIN1 VIN2 VIN3 GND terminal 12 13 16 21 VIN4 VIN5 24 VIN6 VIN7 VIN8 18 VDAref D-A converter input terminal D-A converter reference voltage input terminal Vo=(VIN-VDAref) X n / 256 + VDAref MITSUBISHI ELECTRIC ( 2 / 8 ) MITSUBISHI<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER DIGITAL DATA FORMAT •12 bit serial data 1 2 4 3 5 6 8 7 9 10 11 (LSB) 12 DATA CLK •Data assignment :DAC data (LSB) (MSB) :DAC select data •DAC select data D8 D9 D10 D11 0 0 0 0 DAC selection Don‘t care 0 0 0 1 Ao1 selection Ao2 selection 0 0 1 0 0 0 0 1 Ao3 selection 1 1 0 0 0 1 0 Ao4 selection Ao5 selection 0 0 1 1 1 0 Ao6 selection Ao7 selection 0 Ao8 selection 1 1 0 1 0 1 1 0 0 1 Don‘t care 1 0 1 0 Don‘t care 1 0 1 1 Don‘t care 1 1 1 1 0 0 Don‘t care 0 1 Don‘t care 1 1 1 0 Don‘t care 1 1 Don‘t care 1 1 •Digital data format (MSB) (LSB) D0 0 D2 D3 D4 D5 D6 D7 0 0 0 0 0 0 D-A Output VDAref 1 0 0 0 0 0 0 0 1 0 0 0 0 0 (VIN-VDAref) / 256 X 2 +VDAref (VIN-VDAref) / 256 X 1 +VDAref 1 1 0 0 0 0 0 (VIN-VDAref) / 256 X 3 +VDAref 1 1 1 1 1 1 1 (VIN-VDAref) / 256 X 255 +VDAref MITSUBISHI ELECTRIC ( 3 / 8 ) MITSUBISHI<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER TIMING CHART (MODEL) R MSB DI D11 LSB D10 D9 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<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER ABSOLUTE MAXIMUM RATINGS Symbol VDD VIND VIN Vo VDAref Topr Tstg Conditions Parameter Supply voltage Input voltage Input voltage Output voltage D-A reference voltage Operating temperature Storage tempareture Ratings Unit -0.3~+7.0 -0.3~+7.0 V -0.3~VDD+0.3 -0.3~VDD+0.3 -0.3~VDD+0.3 -20~+75 V V V V °C -40~+125 °C ELECTRICAL CHARACTERISTICS Digital part(VDD,VIN=+5V±10%, VDD≥VIN,GND=VDAref=0V,Ta=20 ~ 75°C,unless otherwise noted) Symbol Test conditions Parameter VDD Supply voltage IILK Input leak current IIL VOL Input low voltage Input high voltage Output low voltage IOL=2.5mA VOH Output high voltage IOH=-400µA IIH Min. Limits Typ. Max. 5.0 5.5 V 10 µA 0.2VDD V V 0.4 V 4.5 -10 VIN=0~VDD 0.8VDD Unit V VDD-0.4 Analog part(VDD,VIN=+5V±10%, VDD≥VIN,GND=VDAref=0V,Ta=-20 ~ +75°C,unless otherwise noted) Symbol IIN IDAref Parameter Input current D-A reference input current RO Output inpedance RES Resolution DNL Diffrential nonlinearity NL Test conditions Min. 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 Limits Typ. Max. 0.30 mA -2.40 mA Constant for all D-A output mode 50 kΩ 1 LSB LSB 8 bit -1 -1 Nonlinearity MITSUBISHI ELECTRIC Unit 1 ( 5 / 8 ) MITSUBISHI<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER AC CHARACTERISTICS(VDD,VIN=+5V±10%, VDD≥VIN,GND=VDAref=0V,Ta=-20 ~ +75°C,unless otherwise noted) Parameter Symbol tCKL tCKH tCR tCF tDCH tCHD tCHL tLDC tLDH tDo tLDD Test conditions Clock "L"pulse width Clock "H"pulse width Clock rise time Clock fall time Data set up time Data hold time Min 200 200 Limits Typ Max Unit 200 ns ns ns ns ns ns ns 100 100 ns ns 200 200 60 100 LD set up time LD hold time LD "H" pulse width Data output delay time Less than CL=100pF Without load D-A output setting time Input•Output replay time f=10kHz 70 350 5 5 TIMING CHART tCKH tCR tCF CLK tCKL DI tDCH tLDC tCHD tLDH tCHL LD tLDD D-A OUTPUT tDo Do OUTPUT MITSUBISHI ELECTRIC ( 6 / 8 ) ns µs µs MITSUBISHI<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER OPERATING DESCRIPTION VDD GND DI CLK 12BIT SHIFT RESISTER DECODER RESET DO LD VIN1 (ch1)LATCH +R-2R LADDER Vo1 VIN2 (ch2)LATCH +R-2R LADDER Vo2 (ch3)LATCH +R-2R LADDER Vo3 VIN4 (ch4)LATCH +R-2R LADDER Vo4 VIN5 (ch5)LATCH +R-2R LADDER VIN3 VIN6 VIN7 VIN8 Vo5 (ch6)LATCH +R-2R LADDER Vo6 (ch7)LATCH +R-2R LADDER Vo7 (ch8)LATCH +R-2R LADDER VDAref 2.5V Vo8 + 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<Dig.Ana.INTERFACE> M62363FP 8-BIT 8CH D-A CONVERTER 1.The value of Vo depend on output direct buffer. Vo=(VIN-VDAref) • n 256 2.The value of Vo depend on application of ch8. + VDAref.................(1) VOP1=(VIN-VDAref) • ( (n=0~255) <VIN=5V> n 0 128 255 n -1 ) + VDAref.................(2) 128 (n=0~255) VOP2=VOP1X2.4.........................................................(3) <VIN=0V> Vo n Vo 2.5 3.75 4.99 0 128 255 2.5 1.25 0.01 <VIN=5V> n 0 128 255 n 0 128 255 <VIN=0V> VOP1 0 2.50 4.98 n VOP1 0 128 255 5.00 2.50 0.02 VOP1 n VOP1 12.00 6.00 0.05 0 128 255 0 6.00 11.95 APPLICATION EXAMPLE OF CASCADE CONNECTION DI MICRO COMPUTER CLK LD LD CLK DI LD CLK DI Do VIN1 Vo1 ch1 VIN1 Vo1 VIN8 Vo8 ch8 VIN8 Vo8 VDAref ch9 + - + - 2.5V *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 ) ch16