CXD1171M Sony, CXD1171M Datasheet
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CXD1171M
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CXD1171M Summary of contents
Page 1
... High Speed D/A Converter Description The CXD1171M is a 8-bit 40 MHz high speed D/A converter. The adoption of a current output system reduces power consumption (200 at 2 Vp-p output). This IC is suitable for digital TV and graphic display applications. Features • Resolution 8-bit • Max. conversion speed 40MSPS • ...
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... D6 7 DECODER (MSB BLK CLOCK CLK 12 GENERATOR LATCHES CURRENT 6MSB'S CURRENT CELLS CURRENT CELLS (FOR FULL SCALE) BIAS VOLTAGE GENERATOR —2— CXD1171M 2LSB'S CELLS VREF 15 IREF ...
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... D0 and D1 have a pull-down resistor Blanking input. This is synchronized with the clock signal. No signal at “H” (Output 0 V). Output condition at “L” Connect a capacitor of about 0.1 µ Clock input Digital ground. Analog ground. —3— CXD1171M Description ...
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... Connect a capacitor of about 0.1 µ Analog power supply Current output. Voltage output can be obtained by connecting a resistance Inverted current output. Normally connected to analog GND Digital power supply. —4— CXD1171M Description ” 16 times against the IR ” connected to OUT ...
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... AV =DV =4.75 to 5. Ta=–20 to +75 ° BLK, CLK R =75 OUT R =75 OUT +5.25V CXD1171M —5— CXD1171M =200 , V =2.0 V, Ta=25 °C) OUT REF Min. Typ. Max. Unit 8 bit 0.5 40 MSPS –0.5 1.3 LSB –0.25 0.25 LSB 1.9 2.0 2 · ...
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... BLK 0.1µ 0.1µ VREF CLK 15 IREF 1 D0 (LSB • • • BLK 0.1µ 1k 0.1µ 16 VREF AVss 12 CLK 15 IREF 1.2k —6— CXD1171M OSCILLOSCOPE AVss 3.3k DVM DD OSCILLOSCOPE AVss 3.3k OSCILLOSCOPE DD ...
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... PW1 PW0 0.1µ 3. —7— CXD1171M 2V 100% 50 AGND D/A OUT 200 1k DGND ...
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... Notes on Operation • How to select the output resistance The CXD1171M is a D/A converter of the current output type. To obtain the output voltage connect the resistance to the current output pin IO. For specifications we have: Output full scale voltage Output full scale current Calculate the output resistance value from the relation of V output resistance is connected to reference current pin IREF ...
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... Latch Up Prevention The CXD1171M is a CMOS IC which requires latch up precautions. Latch up is mainly generated by the lag in the voltage rising time of AV (Pins 18, 19 and 22) and Correct usage a. When analog and digital supplies are from different sources AV DD +5V + When analog and digital supplies are from a common source ...
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... CXD1171M CXD1171M CXD1171M —10— CXD1171M DIGITAL IC DIGITAL IC DIGITAL IC ...
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... Reference voltage vs. Output full scale voltage 2.0 1.9 AV = =2.0V REF R =200 OUT R =3. – Ambient temperature Ta [°C] Ambient temperature vs. Output full scale voltage 200 AV =DV =5. =2.0V REF R 16R IR OUT Ta=25°C 100 0 100 Output resistance R Output resistance vs. Glitch energy —11— CXD1171M 200 [ ] OUT ...
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... Package Outline Unit : mm 15.0 – 0 0.45 ± 0.1 SONY CODE EIAJ CODE JEDEC CODE 24PIN SOP (PLASTIC 1.27 0.24 M PACKAGE STRUCTURE MOLDING COMPOUND LEAD TREATMENT SOP-24P-L01 LEAD MATERIAL SOP024-P-0300 PACKAGE MASS —12— CXD1171M + 0.4 1.85 – 0.15 0.15 + 0.2 0.1 – 0.05 + 0.1 0.2 – 0.05 EPOXY RESIN SOLDER PLATING 42/COPPER ALLOY 0.3g ...