CXD1172AM Sony, CXD1172AM Datasheet
CXD1172AM
Specifications of CXD1172AM
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CXD1172AM Summary of contents
Page 1
... Video A/D Converter (CMOS) Description CXD1172AM/ 6-bit CMOS A/D converter for video use. The adoption of a 2-step parallel system achieves low consumption at a maximum conversion speed of 20MSPS minimum, 35MSPS typical. Features • Resolution: 6-bit 1/2LSB • Max. sampling frequency: 20MSPS • ...
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... Lower Lower encoder Sampling comparators (3BIT) (3BIT) Lower Lower encoder Sampling comparators (3BIT) (3BIT) Upper Upper encoder Sampling comparators (3BIT) (3BIT) Equivalent Circuit – 2 – CXD1172AM/AP Reference voltage VRB VRT Description D (LSB (MSB) output 0 5 Clock input Digital GND Digital +5V Analog +5V ...
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... Compatibility between Analog input voltage and the digital output code is indicated in the chart below. Input signal Step voltage PW1 PW0 Clock N Analog input N – 3 Data output Digital output code MSB LSB – – 18ns Timing Chart 1 – 3 – CXD1172AM/ Point for analog signal sampling. ...
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... DD L End point D NTSC 40 IRE mod ramp Fc = 14.3MSPS – 4 – 1.0V 2.0V 25° Min. Typ. 0 175 250 0 – 4 0.5V –1 0.4V 3.7 18 0.3 0.3 1.0 1 CXD1172AM/AP Max. Unit MSPS 5.7 MHz pF Ω 325 – 1.0 5 µ 0.5 LSB 0.5 % deg ps ns ...
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... BUFFER B1 B0 “1” 000 111 0 } Test Circuit 2.0V 1.0V TTL 6 CXD V IN 1172A ECL 2.0V 1.0V TTL ECL 2. 1. – – 5 – CX20202A 10bit D/A 620 2 VECTOR CLK SCOPE –5. 620 –5. CLK + V OH – GND CXD1172AM/AP ERROR RATE COUNTER ...
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... S (2) C (2) MD (1) MD (0) RV (1) RV (0) S (1) H (1) C (1) LD (–1) H (0) C (0) S (2) H (2) LD (–2) LD (0) Out (–2) Out (–1) – 6 – CXD1172AM/AP Vi (3) Vi (4) S (3) C (3) S (4) C (4) MD (2) MD (3) RV (2) RV (3) S (3) H (3) C (3) LD (1) C (2) S (4) H (4) LD (2) ...
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... Operation (See Block Diagram and Timing Chart) 1. CXD1172AM/ 2-step parallel system A/D converter featuring a 3-bit upper comparators group and 2 Iower comparators groups of 3-bit each. The reference voltage that is equal to the voltage between VRT- VRB/8 is constantly applied to the upper 3-bit comparator block. Voltage that corresponded to the upper data is fed through the reference supply to the lower data ...
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... DD 1. 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 (i) + (ii) + (Pins 9 and 15), when power supply is ON C14 C6 CXD1172A C14 CXD1172A C14 CXD1172A – 8 – CXD1172AM/AP DIGITAL IC DIGITAL IC DIGITAL IC ...
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... Example when latch up easily occurs a. When analog and digital supplies are from different sources AV DD +5V + When analog and digital supplies are from common source ( (ii + CXD1172A CXD1172A CXD1172A – 9 – CXD1172AM/AP DIGITAL IC DIGITAL IC DIGITAL IC ...
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... ADC and DAC Evaluation Board Silk Side S IN VR1 R1 C3 Component Side Soldering Side Analog VR5 C8 C9 C10 DA OUT R10 VR3 R9 VR4 AGND VR2 C14 R6 Analog A.GND C11 C12 C13 – 10 – CXD1172AM/AP SW R11 D.GND CLK IN ...
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... DIP-16P-01 DIP016-P-0300 LEAD MATERIAL Similar to MO-001-AE PACKAGE MASS – 11 – + 0.4 1.85 – 0.15 0.15 + 0.2 0.1 – 0.05 + 0.1 0.2 – 0.05 EPOXY RESIN SOLDER PLATING COPPER ALLOY 0.2g 0° to 15° EPOXY RESIN SOLDER PLATING COPPER ALLOY 1.0 g CXD1172AM/AP ...