AD9218-65PCB Analog Devices Inc, AD9218-65PCB Datasheet
AD9218-65PCB
Specifications of AD9218-65PCB
Related parts for AD9218-65PCB
AD9218-65PCB Summary of contents
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... Low cost digital oscilloscopes I and Q communications Ultrasound equipment GENERAL DESCRIPTION The AD9218 is a dual 10-bit monolithic sampling analog-to- digital converter with on-chip track-and-hold circuits. The product is low cost, low power, and is small and easy to use. The AD9218 operates at a 105 MSPS conversion rate with outstanding dynamic performance over its full operating range ...
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... Changes to DC Specifications......................................................... 3 1/04—Rev Rev. B Updated format...................................................................Universal Changes to General Description .................................................... 1 Changes to DC Specifications......................................................... 3 Changes to Switching Specifications.............................................. 6 Added AD9218/AD9288 Customer PCB BOM section ........... 20 Added Evaluation Board section .................................................. 21 7/03—Rev Rev. A Updated Ordering Guide................................................................. 6 Changes to Terminology section ................................................... .8 Changes to Figure 17b.................................................................... 19 Updated Outline Dimensions ....................................................... 24 Using the AD9218 ENCODE Input ...
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... 2.7 3 3.6 2.7 3 3.6 172/183 175/188 13/17 515/550 525/565 22 ±1 /3. This common-mode voltage can be overdriven pF. AD9218 Unit Bits LSB % FS LSB LSB LSB LSB ppm/°C ppm/°C ppm/°C V kΩ kΩ mV/V ...
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... VI VI –50 ±0 VI –400 –230 VI 50 230 VI –50 ± 100 VI –400 –230 4.5 VI 2.45 VI Twos complement or offset binary Rev Page AD9218BST-80/-105 Max Min Typ Max 0.8 0.8 2.3 1.8 2.0 2.3 2 0.8 0.8 50 –50 ±0 50 –50 –400 –230 –50 400 50 ...
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... I –/–60 –78/–64 25°C V –74/–73 25°C V –73/–73 25°C V 300 25°C V –75 Rev Page AD9218 AD9218BST-80/-105 Max Min Typ Max 57/53 58/55 55/52 57/54 56/52 58/53 55/51 57/53 9.1/8.4 9.4/8.6 9/8.3 9.3/8.6 –69/–60 –77/–68 – ...
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... V 5 25° 25° Full IV 5 SAMPLE SAMPLE SAMPLE 1/f S DATA N – 4 DATA N – 3 DATA N – 2 DATA N – 4 DATA N – 3 DATA N – 2 Rev Page AD9218BST-80/-105 Max Min Typ Max 80/105 20/20 20/20 5/3.8 5/3 2.5 7 4.5 6 1.0 1 SAMPLE SAMPLE SAMPLE ...
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... DATA N – 6 DATA N – 4 DATA N – 2 DATA N – 5 DATA N – 3 DATA N – 1 SAMPLE SAMPLE SAMPLE SAMPLE SAMPLE DATA N – 6 DATA N – 4 DATA N – 2 DATA N – 7 DATA N – 5 DATA N – 3 Rev Page AD9218 t V DATA N DATA DATA DATA N DATA DATA N – 1 DATA ...
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... AD9218 ABSOLUTE MAXIMUM RATINGS Table 5. Parameter Analog Inputs Digital Inputs REF Inputs IN Digital Output Current Operating Temperature Storage Temperature Maximum Junction Temperature Maximum Case Temperature θ (measured on a 4-layer board with A solid ground plane) Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only ...
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... Digital Output for Channel A ( ENC Clock Input for Channel A. A GND DFS/GAIN 4 REF AD9218 REF 6 OUT TOP VIEW REF B 7 (Not to Scale GND 12 Figure 5. Pin Configuration = twos complement output available p-p supported. REF B = MSB). A Rev Page GND GND GND GND AD9218 ...
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... AD9218 TERMINOLOGY Analog Bandwidth The analog input frequency at which the spectral power of the fundamental frequency (as determined by the FFT analysis) is reduced by 3 dB. Aperture Delay The delay between the 50% point of the rising edge of the ENCODE command and the instant at which the analog input is sampled ...
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... Out-of-Range Recovery Time Out-of-range recovery time is the time it takes for the ADC to reacquire the analog input after a transient from 10% above positive full scale to 10% above negative full scale or from 10% below negative full scale to 10% below positive full scale. Rev Page AD9218 ...
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... AD9218 EQUIVALENT CIRCUITS 30kΩ 30kΩ 40kΩ 15kΩ 15kΩ Figure 6. Analog Input Stage 2.6kΩ 600kΩ ENCODE 2.6kΩ Figure 7. Encode Inputs V D OUT Figure 8. Reference Output Stage V 40kΩ DX Figure 9. Digital Output Stage V D 40kΩ ...
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... Figure 19. FFT MSPS, A ADC Inputs p-p Input Range Rev Page AD9218 20 = 19.75 MHz @ –0.5 dBFS, Differential p-p Input Range MHz @ –0.5 dBFS, Differential p-p Input Range 32 MHz @ – 0.5 dBFS; with AD8138 Driving IN ...
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... AD9218 0 ENCODE = 31MSPS – 8MHz AT –0.5dBFS IN SNR = 59.23dB –20 SINAD = 59.1dB H2 = –87dB – –81dB –40 –50 –60 –70 –80 –90 –100 0 Figure 20. FFT MSPS MHz @ –0.5 dBFS, Differential p-p Input Range 80 75 SECOND THIRD SFDR 100 150 A FREQUENCY (MHz) IN Figure 21. Harmonic Distortion (Second and Third) and SFDR vs ...
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... Figure 29. Two-Tone Intermodulation Distortion (28 MHz, 29 MHz p- MSPS) ENCODE = 40MSPS 10MHz AT –7dBFS 11MHz AT –7dBFS IN SFDR = 74dBc 0 Figure 30. Two-Tone Intermodulation Distortion (10 MHz, 11 MHz p- MSPS) SFDR SINAD ENCODE RATE (MHz) = 10.3 MHz, 65 MSPS Grade –0.5 dBFS Differential p-p Analog Input Range IN AD9218 32.5 20 SNR 70 80 ...
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... AD9218 75 70 SFDR SINAD ENCODE POSITIVE PULSEWIDTH (ns) Figure 32. SINAD and SFDR vs. Encode Pulse Width High, A Single-Ended p-p Analog Input Range 105 MSPS 200 180 IV – 105 D 160 –65/–105 IV 140 IV – 120 100 ENCODE CLOCK RATE (MSPS) Figure 33. IV and IV vs. Encode Rate (A ...
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... MSPS Rev Page SFDR – dBc 70dB REF LINE SNR – dBc –50 –40 –30 –20 –10 A INPUT LEVEL (dBFS) IN Input Level, 10.3 MHz MSPS IN IN CODES Figure 41. Typical DNL Plot, 10.3 MHz MSPS IN AD9218 0 1024 ...
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... ANALOG INPUT The analog input to the AD9218 is a differential buffer. For best dynamic performance, impedance at A Special care was taken in the design of the analog input section of the AD9218 to prevent damage and data corruption when the input is overdriven ...
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... The other option allows the user to skew the B channel output data by one-half a clock cycle. In other words, if two clocks are fed to the AD9218 and are 180 degrees out of phase, enabling the data align allows Channel B output data to be available at the rising edge of Clock A. If the same encode clock is provided ...
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... U7, U8, U9, U10 23 2 U11, U12 1 P2, P3 are implemented as one physical 80-lead connector SAMTEC TSW-140-08-L-D-RA. 2 AD9288/PCB populated with AD9288-100, AD9218-65/PCB populated with AD9218-65, AD9218-105/PCB populated with AD9218-105 use optional amp place R22, R23, R30, R24, R16, R29, remove R4, R36. Device Package Capacitor 0603 ...
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... EVALUATION BOARD The AD9218/AD9288 customer evaluation board offers an easy way to test the AD9218 or the AD9288. The compatible pinout of the two parts facilitates the use of one PCB for testing either part. The PCB requires power supplies, a clock source, and a filtered analog source for most ADC testing required. ...
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... AD9218 (MSB GND 45 GND ENC ENC Figure 45. PCB Schematic Rev Page (MSB) 17 GND 16 GND ENC ENC 02001-045 ...
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... Figure 46. PCB Schematic (Continued) Rev Page AD9218 02001-046 ...
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... AD9218 Figure 47. Top Silkscreen Figure 48. Top Routing Figure 49. Ground Plane Figure 50. Split Power Plane Figure 51. Bottom Routing Figure 52. Bottom Silkscreen Rev Page ...
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... AD9218BSTZ-RL80 –40°C to +85°C AD9218BST-105 –40°C to +85°C AD9218BST-RL105 –40°C to +85°C 1 AD9218BSTZ-105 –40°C to +85°C 1 AD9218BSTZ-RL105 −40°C to +85°C AD9218-65PCB AD9218-105PCB Pb-free part. 9.20 9.00 SQ 0.75 1.60 8.80 0.60 MAX 0. PIN 1 TOP VIEW 0 ...
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... AD9218 NOTES Rev Page ...
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... NOTES Rev Page AD9218 ...
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... AD9218 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C02001-0-12/06(C) Rev Page ...