EVAL-CONTROLBOARD AD [Analog Devices], EVAL-CONTROLBOARD Datasheet
EVAL-CONTROLBOARD
Related parts for EVAL-CONTROLBOARD
EVAL-CONTROLBOARD Summary of contents
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GENERAL DESCRIPTION The AD7660 is a 16-bit, 100 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains an internal conversion clock, error cor- rection circuits, and both serial and parallel ...
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AD7660–SPECIFICATIONS Parameter RESOLUTION ANALOG INPUT Voltage Range Operating Input Voltage Analog Input CMRR Leakage Current at 25°C Input Impedance THROUGHPUT SPEED Complete Cycle Throughput Rate DC ACCURACY Integral Linearity Error Differential Linearity Error No Missing Codes 2 Transition Noise 3 ...
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NOTES LSB means Least Significant Bit. With the 2.5 V input range, one LSB is 38.15 µ Typical rms noise at worst-case transitions and temperatures. 3 See Definition of Specifications section. These specifications do not ...
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... This board can be used as a stand-alone evaluation board or in conjunction with the EVAL-CONTROL BOARD for evaluation/demonstration purposes. 2 This board allows control and communicate with all Analog Devices evaluation boards ending in the CB designators. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection ...
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Pin No. Mnemonic Type Description 1 AGND P Analog Power Ground Pin. 2 AVDD P Input Analog Power Pins. Nominally Connect. 40–48 4 DGND DI Must be tied to digital ground. 5 OB/2C ...
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AD7660 Pin No. Mnemonic Type Description 22 DATA[9] DI/O When SER/PAR is LOW, this output is used as the Bit 9 of the Parallel Port Data Output Bus. or SCLK When SER/PAR is HIGH, this pin, part of the serial ...
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DEFINITION OF SPECIFICATIONS 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 ...
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AD7660 –Typical Performance Characteristics –1 –2 –3 0 16384 32768 CODE 0.6 1.2 1.8 POSITIVE INL – LSB 8000 7219 7051 7000 6000 5000 4000 3000 2000 1213 ...
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POINT FFT FS = 100kHz – 10.02kHz, –0.5dB IN SNR = 89.8dB –40 SINAD = 89.4dB THD = –99.3dB –60 SFDR = 101.6dB –80 –100 –120 –140 –160 –180 FREQUENCY – kHz ...
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AD7660 10000000 1000000 100000 10000 1000 100 100 1000 SAMPLING RATE – SPS 100 AVDD 90 DVDD OVDD –50 10000 100000 1000000 AVDD OVDD DVDD –25 ...
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IN REF REFGND 32768C INGND CIRCUIT INFORMATION The AD7660 is a fast, low-power, single-supply, precise 16-bit analog-to-digital converter (ADC). The AD7660 is capable of converting 100,000 samples per second (100 kSPS) and allows power saving between conversions. When operating at ...
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AD7660 TYPICAL CONNECTION DIAGRAM Figure 6 shows a typical connection diagram for the AD7660. AVDD INGND C1 D2 AGND Analog Input Figure 5 shows an equivalent circuit of the input structure of the AD7660. The two diodes ...
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When the source impedance of the driving circuit is low, the AD7660 can be driven directly. Large source impedances will significantly affect the ac performances, especially the total harmonic distortion. The maximum source impedance depends on the amount of total ...
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AD7660 100 10 1 0.1 0.01 10 100 1000 THROUGHPUT – SPS CONVERSION CONTROL Figure 11 shows the detailed timing diagrams of the conversion process. The AD7660 is controlled by the signal CNVST which initiates conversion. Once initiated, it cannot ...
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PARALLEL INTERFACE The AD7660 is configured to use the parallel interface when the SER/PAR is held low. The data can be read either after each conversion, which is during the next acquisition phase, or during the following conversion as shown, ...
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AD7660 which results in a longer BUSY width. In read-during-conversion mode, the serial clock and data toggle at appropriate instants, which minimizes potential feedthrough between digital activity and the critical conversion decisions. SLAVE SERIAL INTERFACE External Clock The AD7660 is ...
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CS, RD BUSY SCLK t 31 SDOUT t 16 SDIN External Discontinuous Clock Data Read after Conversion This mode is the most recommended of the serial slave modes. Figure 18 shows the detailed timing diagrams of this method. After a ...
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AD7660 CS, RD CNVST BUSY t 3 SCLK SDOUT t 16 MICROPROCESSOR INTERFACING The AD7660 is ideally suited for traditional dc measurement applications supporting a microprocessor, and ac signal pro- cessing applications interfacing to a digital signal processor. The AD7660 ...
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... OGND is connected to the digital system ground. Evaluating the AD7660 Performance A recommended layout for the AD7660 is outlined in the evalu- ation board for the AD7660. The evaluation board package includes a fully assembled and tested evaluation board, docu- mentation, and software for controlling the board from a PC via the Eval-Control Board ...
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AD7660 OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 48-Lead Quad Flatpack (LQFP) (ST-48) 0.067 (1.70) 0.362 (9.19) 0.059 (1.50) 0.354 (9.00) SQ 0.055 (1.40) 0.346 (8.79) 0.039 (1.00) 0.028 (0.7) REF 0.020 (0. 0.012 ...