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 AV SS AV SS I OV I OU I OY Features Maximum conversion rate: 20 MSPS (min.) Linearity error: ±0.2 LSB (typ.) Differential linearity error: ±0.2 LSB (typ.) Power supply voltage: 3.5±0.1 V Full scale current: 4 ma (typ.) Power consumption: 84 mw (typ.) (f CLK =15 MHz) Applications Digital television Digital video equipment Digital image processing equipment NTCS UVSEL DV SS DV DD DC8 DC7 DC6 DC5 36 35 34 33 32 31 30 29 28 27 26 25 37 38 39 40 41 42 43 44 45 46 47 48 DC4 DC3 DC2 DC1 CLK DV SS DV DD DY8 DY7 DY6 DY5 (TOP VIEW) QFH048-P-0707 10 11 12 1 2 3 4 5 6 7 8 9 24 23 22 21 20 19 18 17 16 15 14 13 VIB COMP V REF I REF AV DD AV DD DY1 DY2 DY3 DY4 SDJ00011BEM 1
MN657011H A/D, D/C Converters for Image Signal Processing Block Diagram R REF + C COMP NTSC CLK (MSB)DY1 DY2 DY3 DY4 DY5 DY6 DY7 (LSB)DY8 (MSB)DC1 DC2 DC3 DC4 DC5 DC6 DC7 (LSB)DC8 UVSEL 40 5 16 15 14 13 12 11 10 9 4 3 2 1 48 47 46 45 33 34 35 36 37 38 39 41 19 AV DD 7 17 16 26 28 30 43 20 AV DD 31 AV SS Selector Selector 32 AV SS V REF 22 8 DV DD I REF 21 44 DV DD + 23 COMP DAC 6 DV SS 24 VIB Current Source Decoder Decoder Decoder 42 DV SS Current Cell Current Cell Current Cell 25 27 29 I OY I OU I OV R OUT R OUT R OUT 2
A/D, D/C Converters for Image Signal Processing MN657011H Pin Descriptions Pin No. Symbol Function Description 1 DC4 C (chroma) digital input 2 DC3 C (chroma) digital input 3 DC2 C (chroma) digital input 4 DC1 C (chroma) digital input (MSB) 5 CLK Sampling clock 6 DV SS Ground for digital circuits 7 No connection 8 DV DD Power supply for digital circuits 9 DY8 Y (luminance) digital input (LSB) 10 DY7 Y (luminance) digital input 11 DY6 Y (luminance) digital input 12 DY5 Y (luminance) digital input 13 DY4 Y (luminance) digital input 14 DY3 Y (luminance) digital input 15 DY2 Y (luminance) digital input 16 DY1 Y (luminance) digital input (MSB) 17 No connection 18 No connection 19 AV DD Power supply for analog circuits 20 AV DD Power supply for analog circuits 21 I REF Full scale adjustment resistor 22 V REF Reference voltage input 23 COMP Phase compensation 24 VIB Capacitor connection 25 I OY Y signal analog current output 26 No connection 27 I OU U signal analog current output 28 No connection 29 I OV V signal analog current output 30 No connection 31 AV SS Ground for analog circuits 32 AV SS Ground for analog circuits 33 No connection 34 No connection 35 No connection 36 No connection 37 No connection 38 No connection 39 No connection 40 NTCS Format selection (two's complement/binary) for C (chroma) signal 41 UVSEL U/V signal discrimination for C (chroma) signal 42 DV SS Ground for digital circuits 3
MN657011H A/D, D/C Converters for Image Signal Processing Pin Descriptions (continued) Pin No. Symbol Function Description 43 No connection 44 DV DD Power supply for digital circuits 45 DC8 C (chroma) digital input (LSB) 46 DC7 C (chroma) digital input 47 DC6 C (chroma) digital input 48 DC5 C (chroma) digital input Absolute Maximum Ratings Ta=25 C Parameter Symbol Rating Unit Power supply voltage for digital circuits DV DD 0.3 to +7.0 V Power supply voltage for analog circuits AV DD 0.3 to +7.0 V Input voltage V I DV SS 0.3 to DV DD +0.3 V Output voltage V O AV SS 0.3 to AV DD +0.3 V Operating ambient temperature T opr 20 to +70 C Storage temperature T stg 55 to +125 C Recommended Operating Conditions V DD =AV DD =DV DD =3.5V, V SS =AV SS =DV SS =0V, Ta=25 C Parameter Symbol min typ max Unit Power supply voltage V DD 3.4 3.5 3.6 V Reference voltage V REF 1.5 1.9 3.5 V Reference resistance R REF 820 Ω External compensation capacitor C COMP 0.33 1.0 3.3 µf Output load resistance R OUT 200 Ω Digital input "H" level V IH V DD 0.5 V DD V voltage "L" level V IL V SS V DD 0.16 V Clock "H" level pulse width t WH 15 ns Electrical Characteristics "L" level pulse width t WL 15 ns DV DD =AV DD =3.5V, DV SS =AV SS =0V, Ta=25 C Parameter Symbol Conditions min typ max Unit Power supply voltage I DD V DD =3.5V, f CLK =15MHz R OUT =200Ω, Output amplitude = 0.8V 24 40 ma T=25 C Resolution RES 8 bit Linearity error E L V DD =3.5V, R OUT =200Ω ±0.2 ±0.5 LSB Differential linearity error E D R REF =820Ω ±0.2 ±0.5 LSB Full scale current I FS V REF =1.9V 4 ma Setup time t S 10 ns Hold time t H 10 ns Settling time t ST V DD =3.5V, R OUT =200Ω 30 50 ns Maximum conversion speed F C(max.) R REF =820Ω V REF =1.9V 20 33 MSPS Analog output delay time t d 10 ns 4
A/D, D/C Converters for Image Signal Processing MN657011H Timing Chart t WH t WL CLK t S t H V DD 0.5 V DD 0.16 DY1 to DY8 DC1 to DC8 UVSEL I OY I OU I OV Y-1 V-2 t S Y0 Y1 Y2 Y3 Y4 Y5 t H U0 V0 U2 V2 U4 V4 Y-2 U-2 U-2 U0 U0 U2 V-2 Three clock cycles Y-1 t d t ST Y0 Y1 t d : Analog output delay time t ST : Settling time Y2 V-2 V0 V0 V2 5
MN657011H A/D, D/C Converters for Image Signal Processing Package Dimensions (Unit:mm) QFH048-P-0707 9.0±0.2 7.0±0.2 36 25 37 48 1 12 0.5 0.2±0.1 0.15 Seating plane 24 13 2.5±0.2 0 to 0.2 7.0±0.2 2.9 max. 9.0±0.2 0.15 +0.10-0.05 0.5±0.2 1.1±0.2 10 max. Note) The package of this product will be changed to the following lead-free type (QFH048-P-0707B). 6
A/D, D/C Converters for Image Signal Processing MN657011H New Package Dimensions (Unit: mm) QFH048-P-0707B (Lead-free package) 36 9.00±0.20 7.00±0.20 25 37 48 (0.75) 1 0.50 12 0.20 +0.10-0.05 24 (0.75) 13 7.00±0.20 0.10±0.10 2.50±0.20 2.90 max. 0.10 9.00±0.20 Seating plane 0.15 +0.10-0.05 0.50±0.20 (1.00) 0 to 10 7
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