AD9203ARU Analog Devices Inc, AD9203ARU Datasheet
AD9203ARU
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AD9203ARU Summary of contents
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FEATURES CMOS 10-Bit, 40 MSPS sampling A/D converter Power dissipation supply, 40 MSPS supply, 5 MSPS) Operation between 2.7 V and 3.6 V supply Differential nonlinearity: −0.25 LSB Power-down (standby) mode, 0.65 ...
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AD9203 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 Thermal Characteristics .............................................................. 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Terminology ...................................................................................... 7 Typical Performance Characteristics ............................................. 8 Operations ....................................................................................... 11 Theory of Operation .................................................................. 11 Operational ...
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SPECIFICATIONS AVDD = 3 V, DRVDD = MSPS, input span from 0 2.5 V, internal 1 V reference, PWRCON = AVDD, 50% clock duty S cycle unless otherwise noted. MIN ...
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AD9203 Parameter Two-Tone Intermodulation Distortion Differential Phase Differential Gain DIGITAL INPUTS High Input Voltage Low Input Voltage Clock Pulse Width High Clock Pulse Width Low Clock Period 2 DIGITAL OUTPUTS High-Z Leakage Data Valid Delay Data Enable Delay Data High-Z ...
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ABSOLUTE MAXIMUM RATINGS Table 2. With Parameter Respect to Min AVDD AVSS –0.3 DRVDD DRVSS –0.3 AVSS DRVSS –0.3 AVDD DRVDD –3.9 REFCOM AVSS –0.3 CLK AVSS –0.3 Digital Outputs DRVSS –0.3 AINP AINN AVSS –0.3 VREF AVSS –0.3 REFSENSE ...
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AD9203 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 3. Pin Function Descriptions Pin Name Description 1 DRVSS Digital Ground. 2 DRVDD Digital Supply Bit 0, Least Significant Bit Bit Bit Bit ...
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TERMINOLOGY Integral Nonlinearity Error (INL) Linearity error refers to the deviation of each individual code from a line drawn from negative full scale through positive full scale. The point used as negative full scale occurs 1/2 LSB before the first ...
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AD9203 TYPICAL PERFORMANCE CHARACTERISTICS AVDD = 3 V, DRVDD = MSPS Internal Reference, PWRCON = AVDD, 50% Duty Cycle, unless otherwise noted SINGLE-ENDED INPUT 59 2V DIFFERENTIAL INPUT 57 55 ...
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N–1 N CODE Figure 10. Grounded Input Histogram 80 85 –THD SNR SAMPLE RATE (MSPS) Figure 11. SNR and ...
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AD9203 0 –1 –2 –3 –4 –5 –6 –7 –8 –9 10 100 INPUT FREQUENCY (MHz) Figure 16. Full Power Bandwidth 3500 3000 1V REFERENCE 2500 2000 0.5V REFERENCE 1500 1000 500 0 0 200 400 600 OFF-TIME (ms) Figure ...
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OPERATIONS THEORY OF OPERATION The AD9203 implements a pipelined multistage architecture to achieve high sample rates while consuming low power. It distributes the conversion over several smaller A/D subblocks, refining the conversion with progressively higher accuracy as it passes the ...
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AD9203 INPUT AND REFERENCE OVERVIEW Like the voltage applied to the top of the resistor ladder in a flash A/D converter, the value VREF defines the maximum input voltage to the A/D core. The minimum input voltage to the A/D ...
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AINP 0V AINN CORE + VREF 10µF 0.1µF – LOGIC AD9203 REFSENSE R B Figure 21. Programmable Reference Configuration EXTERNAL REFERENCE OPERATION Figure 22 illustrates the use of an external reference. An external reference may be necessary ...
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AD9203 AD9203 Figure 25. Input Architecture The structure of the input SHA places certain requirements on the input drive source. The combination of the pin capacitance and ...
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AD8051 110 MHz. Low cost. Best used for driving –3 dB single-ended ac-coupled configuration. Operates power rail. AD8052: Dual Version of above amp. AD8138 is a higher performance version of AD8131. Its gain is ...
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AD9203 –90 –80 THD –70 SNR –60 –50 –40 40.0 42.5 45.0 47.5 50.0 52.5 DUTY CYCLE (%) Figure 31. THD and SNR vs. Clock Duty Cycle ( MHz Differential, Clock = 40 MSPS) IN Table 5. Power ...
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OTR OTR DATA OUTPUTS 1 11111 11111 0 11111 11111 0 11111 11110 0 00000 00001 0 00000 00000 1 00000 00000 –FS Figure 32. Output Data Format G1 = 20dB G2 = 20dB SAW FILTER 50Ω OUTPUT 50Ω 200Ω ...
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AD9203 APPLICATIONS DIRECT IF DOWN CONVERSION Sampling IF signals above an ADC’s baseband region (i.e FS/2) is becoming increasingly popular in communication applications. This process is often referred to as direct IF down conversion or undersampling. There are ...
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ULTRASOUND APPLICATIONS The AD9203 provides excellent performance in 10-bit ultrasound applications. This is demonstrated by its high SNR with analog input frequencies up to and including Nyquist. The presence of spurs near the base of a fundamental frequency bin is ...
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AD9203 EVALUATION BOARD The AD9203 evaluation board is shipped wired for 2 V differential operation. The board should be connected to power and test equipment as shown in Figure 38 easily configured SYNTHESIZER ANTI- 1MHz 1.9V p-p ALIASING ...
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Figure 39. Evaluation Board (Rev. C) Rev Page AD9203 ...
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AD9203 Figure 40. Evaluation Board (Rev. C) Rev Page ...
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Figure 41. Evaluation Board Component Side Assembly (Not to Scale) Figure 42. Evaluation Board Component Side (Not to Scale) Figure 43. Evaluation Board Solder Side Assembly (Not to Scale) Rev Page AD9203 ...
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AD9203 Figure 44. Evaluation Board Solder Side (Not to Scale) Figure 45. Evaluation Board Ground Plane (Not to Scale) Figure 46. Evaluation Board Power Plane (Not to Scale) Rev Page ...
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... OUTLINE DIMENSIONS PIN 1 0.15 0.05 COPLANARITY ORDERING GUIDE Model Temperature Range AD9203ARU −40°C to +85°C AD9203ARURL7 −40°C to +85°C 1 AD9203ARUZ −40°C to +85°C 1 AD9203ARUZRL7 −40°C to +85°C AD9203- Pb-free part. 9.80 9.70 9. 4.50 4.40 4. 0.65 BSC 1.20 MAX ...
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AD9203 NOTES Rev Page ...
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NOTES Rev Page AD9203 ...
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AD9203 NOTES © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C00573–0–8/04(B) Rev Page ...