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MITSUBISHI M62364FP 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS GENERAL DESCRIPTION The M62364FP 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. PIN CONFIGURATION (TOP VIEW) 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 VIN1 1 VOUT1 2 VOUT2 3 VIN2 4 VDD 5 LD 6 CLK 7 DI 8 VIN3 9 VOUT3 10 VOUT4 11 VIN4 12 24 23 22 21 20 19 18 17 16 15 14 13 VIN8 VOUT8 VOUT7 VIN7 GND RESET VDAref DO VIN6 VOUT6 VOUT5 VIN5 Outline 24P2Q (FP) M62364FP APPLICATION Digital to analog conversion for consumer and industrial equipment. Gain setting and automatic adjustment of display-monitor and CTV. BLOCK DIAGRAM DI CLK 8 7 VDD 5 12-bit SHIFT REGISTER D4 D5 D6 D7 17 DO D8 D9 D10 D11 6 ADDRESS DECODER LD D0 D1 D2 D3 RESET 19 8-bit Latch 8-bit Latch D-A CONVERTER D-A CONVERTER 18 VDAref 1 VIN1 2 VOUT1 24 VIN8 23 VOUT8 20 GND MITSUBISHI ELECTRIC (1 / 6 ) MITSUBISHI M62364FP 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS EXPLANATION OF TERMINALS PIN No. Symbol Function Serial data input Serial data output Shift clock input. Input data of DI are taken into the 12-bit shift register on a rising edge of the clock. A low state enables data loading to the 12-bit shift register. During a rising edge of LD, the data will be loaded to the output register. 8 17 7 6 19 2 3 10 11 14 15 22 23 5 20 1 4 9 12 13 16 21 24 18 DI Do CLK LD RESET VOUT1 VOUT2 VOUT3 VOUT4 Reset 8-bit latches D/A Converter Output with 8-bit resolution VOUT5 VOUT6 VOUT7 VOUT8 VDD GND VIN1 VIN2 VIN3 VIN4 D/A Converter Input VIN5 VIN6 VIN7 VIN8 VDAref D-A Converter Reference Voltage Input Power Supply Ground MITSUBISHI ELECTRIC (2 / 6 ) MITSUBISHI M62364FP 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS DIGITAL FORMAT *12BIT SERIAL DATA (LSB) 1 DATA 2 3 D9 4 D8 5 D7 6 D6 7 D5 8 D4 9 D3 10 D2 11 D1 12 D0 D11 D10 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 MITSUBISHI ELECTRIC (3/ 6 ) MITSUBISHI M62364FP 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS *Digital Data Format D0 0 1 0 1 1 D1 0 0 1 1 1 D2 0 0 0 0 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 D7 0 0 0 0 1 DAC 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 TIMING CHART R MSB DI D11 D10 D9 LSB D0 CLK LD Vo * Input data carried out LD signal Low besides CLK signal positive edge. CLK,LD is keep generally HIGH level. MITSUBISHI ELECTRIC (4/ 6 ) MITSUBISHI M62364FP 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS ABSOLUTE MAXIMUM RATING SYMBOL VDD VIND VIN VOUT VDAref Topr Tstg PARAMETER Supply Voltage Digital Input Voltage Analog Input Voltage Analog Output Voltage D-A Reference Voltage Operating Temperature Storage Temperature MEASUREMENT CONDITION 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 SYMBOL VDD IDD PARAMETER Supply Voltage Supply Current MEASUREMENT CONDITION MIN 2.7 CLK=1MHz,VCC=3V,IAO=0A LIMIT TYP 3.0 MAX 3.6 3.5 UNIT V mA SYMBOL IILK IIL IIH VOL VOH PARAMETER Input Leak Current Digital Input "Low" Voltage Digital Input "High" Voltage Do Terminal Output "Low" Voltage Do Terminal Output "High" Voltage MEASUREMENT CONDITION VIN=0 ~ VDD MIN -10 0.8VDD IOL=2.5mA IOH=-400A 0.4 VDD-0.4 LIMIT TYP MAX 10 0.2VDD UNIT A V V V V SYMBOL PARAMETER MEASUREMENT CONDITION MIN IIN Input Current 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=100A IAO=500A Upper Saturation Voltage=0.4V Lower Saturation Voltage=0.4V LIMIT TYP UNIT MAX 0.18 mA IDAref D-A Reference Input Current -1.44 mA RES DNL NL VAO IAO CO RO Resolution Differential Nonlinearity Nonlinearity Buffer Amplifier Output Voltage Range Buffer Amplifier Output Current Range Output Capacitative Load Buffer Amplifier Output Impedance 8 -1 -1.5 0.1 0.2 -1 1 1.5 VCC-0.1 VCC-0.2 1 0.1 5 bit LSB LSB V mA F MITSUBISHI ELECTRIC (5/ 6 ) MITSUBISHI M62364FP 8-BIT 8-CH MULTIPLYING D-A CONVERTER WITH BUFFER AMPLIFIERS 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 Duration Time Data Output Delay Time D-A Output Setting Time MEASUREMENT CONDITION MIN 200 200 200 60 100 200 100 100 70 LIMIT TYP MAX UNIT nS nS nS nS nS nS nS nS nS S CL=100pF CL100pF,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 tDCH tCHD tLDH tCHL tLDC LD tLDD D-A OUTPUT tDo DO OUTPUT ! Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable,but there is always the possibility that trouble may occur with them.Trouble with semiconductors may lead to personal injury, fire or property damage.Remember to give due consideration to safety when making your circuit design,in order to prevent fires from spreading,redundancy,malfunction or other mishap. MITSUBISHI ELECTRIC (6/ 6 ) |
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