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| A/D, D/C Converters for Image Signal Processing MN6570F, MN6570TF, and MN6570EF Low Power 8-Bit, 3-Channel CMOS D/A Converters for Image Processing Overview The MN6570F, MN6570TF, and MN6570EF are highspeed 8-bit, 3-channel CMOS digital-to-analog converters with maximum conversion rates of 35 MSPS, 40 MSPS, and 40 MSPS, respectively. They use both a matrix cell and weighted current technology. The three channels use separate clock signals, so they may be used as totally independent D/A converters. Pin Assignment DB5 DB6 DB7 DB8 AVSS AVSS IOB N.C. IOG N.C. IOR DB4 DB3 DB2 DB1 CLKB DVSS DVDD DG8 DG7 DG6 DG5 34 35 36 37 38 39 40 41 42 43 44 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 Features Maximum conversion rate: MN6570F: 35MSPS (min.) MN6570TF and MN6570EF: 40 MSPS (min.) Linearity error: 0.2 LSB (typ.) Differential linearity error: 0.2 LSB (typ.) Power supply voltage: VCC= 5.00.5 V Power consumption: MN6570F: 340 mW (typ.) MN6570TF and MN6570EF: 190 mW (typ.) Full scale current: MN6570F: 13 mA (typ.) MN6570TF and MN6570EF: 5 mA (typ.) Applications Digital television Digital video equipment Digital image processing equipment DG4 DG3 DG2 DG1 CLKG DVSS DVDD DR8 DR7 DR6 DR5 1 2 3 4 5 6 7 8 9 10 11 VIB COMP VREF IREF AVDD AVDD CLKR DR1 DR2 DR3 DR4 (TOP VIEW) QFP044-P-1010 1 MN6570F, MN6570TF, MN6570EF Block Diagram A/D, D/C Converters for Image Signal Processing 21 COMP- RREF + CCOMP 20 VREF 19 IREF + - CLKR (MSB)DR1 16 15 14 Current Source ROUT 22 24 N.C. 26 N.C. VIB Decoder DR2 13 DR3 12 DR4 DR5 11 10 DR6 9 DR7 8 (LSB)DR8 CLKG (MSB)DG1 5 4 Latch Matrix Cell 23 IOR Latch Weighted Current Cell ROUT 3 DG2 DG3 2 1 DG4 44 DG5 43 DG6 DG7 42 41 (LSB)DG8 CLKB 38 Decoder Latch Matrix Cell 25 IOG Latch Weighted Current Cell 37 (MSB)DB1 DB2 36 35 DB3 34 DB4 33 DB5 32 DB6 31 DB7 30 (LSB)DB8 ROUT Decoder Latch Matrix Cell 27 IOB Latch Weighted Current Cell 17 18 AVSS 28 AVSS 29 40 AVDD AVDD DVDD DVDD DVSS 2 DVSS 39 7 6 A/D, D/C Converters for Image Signal Processing Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Symbol DG4 DG3 DG2 DG1 CLKG DVSS DVDD DR8 DR7 DR6 DR5 DR4 DR3 DR2 DR1 CLKR AVDD AVDD IREF VREF COMP VIB IOR N.C. IOG N.C. IOB AVSS AVSS DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 CLKB DVSS DVDD Function Description G signal digital input G signal digital input G signal digital input G signal digital input (MSB) G signal sampling clock Ground for digital circuits Power supply for digital circuits R signal digital input (LSB) R signal digital input R signal digital input R signal digital input R signal digital input R signal digital input R signal digital input R signal digital input (MSB) R signal sampling clock Power supply for analog circuits Power supply for analog circuits Full scale adjustment resistor Reference voltage input Phase compensation Capacitor connection R signal analog current output No connection G signal analog current output No connection B signal analog current output Ground for analog circuits Ground for analog circuits B signal digital input (LSB) B signal digital input B signal digital input B signal digital input B signal digital input B signal digital input B signal digital input B signal digital input (MSB) B signal sampling clock Ground for digital circuits Power supply for digital circuits MN6570F, MN6570TF, MN6570EF 3 MN6570F, MN6570TF, MN6570EF Pin Descriptions (continued) Pin No. 41 42 43 44 Symbol DG8 DG7 DG6 DG5 A/D, D/C Converters for Image Signal Processing Function Description G signal digital input (LSB) G signal digital input G signal digital input G signal digital input Absolute Maximum Ratings Parameter Power supply voltage for digital circuits Power supply voltage for analog circuits Input voltage Output voltage Operating ambient temperature Storage temperature Ta=25C Symbol DVDD AVDD VI VO Topr Tstg Rating - 0.3 to +7.0 - 0.3 to +7.0 DVSS - 0.3 to DVDD +0.3 AVSS - 0.3 to AVDD +0.3 -20 to +70 *1/-20 to +75 *2/-30 to 85 *3 -55 to +125 Unit V V V V C C *1 MN6570F *2 MN6570TF *3 MN6570EF Recommended Operating Conditions Parameter Power supply voltage Reference voltage Reference resistance Output load resistance Digital input voltage Clock MN6570F MN6570TF/EF MN6570F MN6570TF/EF MN6570F MN6570TF/EF "H" level "L" level "H" level pulse width "L" level pulse width VDD=AVDD=DVDD=5.0V, VSS=AVSS=DVSS=0V, Ta=25C Symbol VDD VREF RREF CCOMP ROUT VIH VIL tWH tWL min 4.5 2.0 2.0 390 820 0.33 50 300 2.4 VSS 10 10 typ 5.0 2.3 2.42 430 1100 1.0 75 400 -- -- -- -- max 5.5 3.5 3.7 1500 1400 3.3 330 500 VDD 0.8 -- -- Unit V V F V V ns ns External compensation capacitor 4 A/D, D/C Converters for Image Signal Processing Electrical Characteristics *MN6570F Parameter Power supply current Symbol Conditions IDD VDD=5.0V, tCLK=35MHz, ROUT=75, Output amplitude =1 V, T=25C Resolution Linearity error Differential linearity error Full scale current Setup time Hold time Settling time Maximum conversion speed Analog output delay *MN6570TF, MN6570EF Parameter Power supply current Symbol Conditions VDD=5.0V, tCLK=40MHz, IDD ROUT=400, Output amplitude =2V, T=25C Resolution Linearity error Differential linearity error Full scale current Setup time Hold time Settling time Maximum conversion speed Analog output delay time RES EL ED IFS tS tH tST FC(max.) td VDD=5.0V, ROUT=400 RREF=1100 VREF=2.42V VDD=5.0V, ROUT=400 RREF=1100 VREF=2.42V RES EL ED IFS tS tH tST FC(max.) td VDD=5.0V, ROUT=75 RREF=430 VREF=2.3V VDD=5.0V, ROUT=75 RREF=430 VREF=2.3V MN6570F, MN6570TF, MN6570EF DVDD=AVDD=5.0V, DVSS=AVSS=0V, Ta=25C min typ 68 8 0.2 0.2 13 max 85 Unit mA bit 0.5 0.5 LSB LSB mA ns ns 8 8 20 35 50 5 28 ns MSPS ns min typ 38 8 0.2 0.2 5 max 55 Unit mA bit 0.5 0.5 LSB LSB mA ns ns 8 8 20 40 50 5 25 ns MSPS ns 5 MN6570F, MN6570TF, MN6570EF Timing Chart A/D, D/C Converters for Image Signal Processing tWH CLK tWL 2.4V 0.8V tS tH Data Dn-1 Dn Dn+1 1/2LSB Analog Output (Settling waveform) An 1/2LSB td tST td tST 6 A/D, D/C Converters for Image Signal Processing Package Dimensions (Unit:mm) QFP044-P-1010 MN6570F, MN6570TF, MN6570EF 12.300.40 10.000.20 33 23 22 (1.00) 10.000.20 34 44 12 1 (1.00) 0.80 11 0.350.10 2.000.20 2.100.30 12.300.40 1.150.20 0.15 -0.05 0 to 10 +0.10 0.10 SEATING PLANE 0.100.10 0.600.20 7 |
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