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A/D, D/C Converters for Image Signal Processing MN657011H Low Power 8-Bit, 3-Channel CMOS D/A Converter for Image Processing Overview The MN657011H is an 8-bit, 3-channel CMOS digitalto-analog converter with a maximum conversion rate of 20 MSPS. It is a 3.5 volt version of the MN65701FHP. Pin Assignment N.C. N.C. N.C. N.C. AVSS AVSS N.C. IOV N.C. IOU N.C. IOY N.C. N.C. N.C. NTCS UVSEL DVSS N.C. DVDD DC8 DC7 DC6 DC5 37 38 39 40 41 42 43 44 45 46 47 48 Features Maximum conversion rate: 20 MSPS (min.) Linearity error: 0.2 LSB (typ.) Differential linearity error: 0.2 LSB (typ.) Power supply voltage: 3.50.1 V Full scale current: 4 mA (typ.) Power consumption: 84 mW (typ.) (fCLK=15 MHz) 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 Applications Digital television Digital video equipment Digital image processing equipment DC4 DC3 DC2 DC1 CLK DVSS N.C. DVDD DY8 DY7 DY6 DY5 1 2 3 4 5 6 7 8 9 10 11 12 VIB COMP VREF IREF AVDD AVDD N.C. N.C. DY1 DY2 DY3 DY4 (TOP VIEW) QFH048-P-0707 1 MN657011H Block Diagram A/D, D/C Converters for Image Signal Processing 23 COMP - + RREF N.C. 22 VREF 21 IREF CCOMP VIB 17 16 26 28 30 43 NTSC CLK (MSB)DY1 DY2 DY3 DY4 DY5 DY6 DY7 (LSB)DY8 40 5 + - Current Source DAC 16 15 14 13 12 11 10 9 4 3 2 1 48 47 46 45 Current Cell 24 7 Decoder ROUT 25 IOY Latch Latch (MSB)DC1 DC2 DC3 DC4 DC5 DC6 DC7 (LSB)DC8 Latch Latch Current Cell Selector ROUT 27 IOU Decoder Latch N.C. N.C. N.C. N.C. N.C. N.C. N.C. UVSEL 33 34 35 36 37 38 39 41 19 20 31 Latch Latch Latch Current Cell Decoder Selector ROUT 29 IOV 32 Latch Latch 44 Latch AVDD AVDD DVDD DVDD AVSS AVSS DVSS 2 DVSS 42 8 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 41 42 Symbol DC4 DC3 DC2 DC1 CLK DVSS N.C. DVDD DY8 DY7 DY6 DY5 DY4 DY3 DY2 DY1 N.C. N.C. AVDD AVDD IREF VREF COMP VIB IOY N.C. IOU N.C. IOV N.C. AVSS AVSS N.C. N.C. N.C. N.C. N.C. N.C. N.C. NTCS UVSEL DVSS Function Description C (chroma) digital input C (chroma) digital input C (chroma) digital input C (chroma) digital input (MSB) Sampling clock Ground for digital circuits No connection Power supply for digital circuits Y (luminance) digital input (LSB) Y (luminance) digital input Y (luminance) digital input Y (luminance) digital input Y (luminance) digital input Y (luminance) digital input Y (luminance) digital input Y (luminance) digital input (MSB) No connection No connection Power supply for analog circuits Power supply for analog circuits Full scale adjustment resistor Reference voltage input Phase compensation Capacitor connection Y signal analog current output No connection U signal analog current output No connection V signal analog current output No connection Ground for analog circuits Ground for analog circuits No connection No connection No connection No connection No connection No connection No connection Format selection (two's complement/binary) for C (chroma) signal U/V signal discrimination for C (chroma) signal Ground for digital circuits MN657011H 3 MN657011H Pin Descriptions (continued) Pin No. 43 44 45 46 47 48 Symbol N.C. DVDD DC8 DC7 DC6 DC5 A/D, D/C Converters for Image Signal Processing Function Description No connection Power supply for digital circuits C (chroma) digital input (LSB) C (chroma) digital input C (chroma) digital input C (chroma) digital input Ta=25C 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 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 -55 to +125 Unit V V V V C C Recommended Operating Conditions Parameter Power supply voltage Reference voltage Reference resistance External compensation capacitor Output load resistance Digital input voltage Clock "H" level "L" level "H" level pulse width "L" level pulse width VDD=AVDD=DVDD=3.5V, VSS=AVSS=DVSS=0V, Ta=25C Symbol VDD VREF RREF CCOMP ROUT VIH VIL tWH tWL min 3.4 1.5 0.33 VDD x 0.5 VSS 15 15 typ 3.5 1.9 820 1.0 200 max 3.6 3.5 3.3 VDD VDD x 0.16 Unit V V F V V ns ns Electrical Characteristics Parameter Power supply voltage DVDD=AVDD=3.5V, DVSS=AVSS=0V, Ta=25C Symbol Conditions IDD VDD=3.5V, fCLK=15MHz ROUT=200, Output amplitude = 0.8V min typ 24 8 max 40 Unit mA bit 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=3.5V, ROUT=200 RREF=820 VREF=1.9V 20 VDD=3.5V, ROUT=200 RREF=820 VREF=1.9V 10 10 30 33 10 50 0.2 0.2 4 0.5 0.5 LSB LSB mA ns ns ns MSPS ns 4 A/D, D/C Converters for Image Signal Processing Timing Chart MN657011H tWH tWL VDD x 0.5 VDD x 0.16 tS DY1 to DY8 Y-1 tS DC1 to DC8 V-2 tH Y0 tH U0 V0 U2 V2 U4 V4 Y1 Y2 Y3 Y4 Y5 CLK UVSEL IOY Y-2 Y-1 Y0 Y1 Y2 IOU U-2 U-2 U0 U0 U2 IOV V-2 Three clock cycles V-2 V0 V0 V2 td tST td: Analog output delay time tST: Settling time 5 MN657011H Package Dimensions (Unit:mm) QFH048-P-0707 A/D, D/C Converters for Image Signal Processing 9.00.2 7.00.2 36 25 (0.75) 7.00.2 37 24 48 13 1 (0.75) 0.5 12 0.20.1 (1.0) 2.9 max. 2.50.2 +0.10 -0.05 9.00.2 0.15 0.10.1 0.1 SEATING PLANE 0.50.2 0 to 10 6 |
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