5962-89629013A Analog Devices Inc, 5962-89629013A Datasheet
5962-89629013A
Specifications of 5962-89629013A
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5962-89629013A Summary of contents
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FEATURES 2 s ADC with Track/Hold 1 s DAC with Output Amplifier AD7569, Single DAC Output AD7669, Dual DAC Output On-Chip Bandgap Reference Fast Bus Interface Single or Dual 5 V Supplies GENERAL DESCRIPTION The AD7569/AD7669 is a complete, ...
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AD7569/AD7669–SPECIFICATIONS ( DAC SPECIFICATIONS unless otherwise noted. All specifications T AD7569 J, A Versions AD7669 Parameter J Version STATIC PERFORMANCE 4 Resolution 8 5 Total Unadjusted Error 2 5 Relative Accuracy 1 5 Differential Nonlinearity 1 Unipolar Offset ...
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ADC SPECIFICATIONS ( wise noted. All specifications unless otherwise noted.) Specifications apply to Mode 1 interface. MIN MAX AD7569 J, A Versions AD7669 Parameter J Version DC ACCURACY 3 Resolution 8 4 Total ...
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AD7569/AD7669–TIMING CHARACTERISTICS Limit at Parameter 25 C (All Grades) DAC Timing ADC Timing 110 ...
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NOTE: The term DAC (Digital-to-Analog Converter) throughout the data sheet applies equally to the dual DACs in the AD7669 as well as to the single DAC of the AD7569 unless otherwise stated. It follows that the term V applies to ...
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AD7569/AD7669 DIP, SOIC AD7669 PIN CONFIGURATIONS DIP, SOIC PLCC AD7569 PIN CONFIGURATIONS PLCC Temperature Model Range AD7569JN +70 C AD7569JR +70 C AD7569AQ – + AD7569SQ – +125 ...
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PIN FUNCTION DESCRIPTION (Applies to the AD7569 and AD7669 unless otherwise stated.) Pin Mnemonic Description AGND Analog Ground for the DAC(s). Separate DAC ground return paths are provided for the DAC(s) and ADC to minimize crosstalk. V Output Voltage. V ...
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AD7569/AD7669—Typical Performance Graphs Noise Spectral Density vs. Frequency Positive-Going Settling Time ( 2.5 V Range) DAC/ADC Full-Scale Temperature Coefficient Power Supply Rejection Ratio vs. Frequency Negative-Going Settling Time ( 2.5 V Range) IMD Plot for ADC –8– REV. B ...
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CIRCUIT DESCRIPTION D/A SECTION The AD7569 contains an 8-bit, voltage-mode, D/A converter that uses eight equally weighted current sources switched into an R-2R ladder network to give a direct but unbuffered +1.25 V output range. The AD7669 ...
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AD7569/AD7669 At the end of conversion, the SAR contents are transferred to the output latch, and the SAR is reset in readiness for a new conversion. A single conversion lasts for 8 input clock cycles. Figure 4. Operating Waveforms Using ...
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RESET line, the DAC output resets when the entire system is reset. Figure 7 shows the input control logic for the AD7569 DAC; the write cycle timing diagram is shown in Figure 8. Figure 7. AD7569 DAC ...
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AD7569/AD7669 MODE 1 INTERFACE The timing diagram for the first mode is shown in Figure 10. It can be used in digital signal processing and other applications where precise sampling in time is required. In these applica- tions ...
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Similarly, for inter- modulation distortion, an input (either to V consisting of pure sine waves at two frequencies is applied to the AD7569/AD7669. Figure 13. ADC FFT Plot Figure 13 shows a 2048 point FFT plot ...
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AD7569/AD7669 INTERFACING THE AD7569/AD7669 AD7569/AD7669—Z80 INTERFACE Figure 17 shows a typical interface to the Z80 microprocessor. The ADC is configured for operation in the Mode 1 interface mode. A precise timer or clock source starts conversion in appli- cations requiring ...
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RD pulse for the AD7569/AD7669. This RD pulse accesses data from the ADC and places the conversion result into a regis- ter on the 74646. The rising edge of this pulse generates an in- terrupt request to the processor. ...
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AD7569/AD7669 APPLYING THE AD7569/AD7669 ADC The analog input on the AD7569/AD7669 accepts the same four input ranges as the output ranges on the DAC. Whatever output range is selected for the DAC also applies to the input range of the ...
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PEAK DETECTION—AD7569 The circuit of Figure 25 shows a peak-reading A/D converter, which is useful in such applications as monitoring flow rates, temperature, pressure, etc. The circuit ensures that a peak will not be missed while at the same time ...
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AD7569/AD7669 Figure 27. Typical DAC Output Voltages for Microstepping and Direction Signals for Clockwise Rotation with the UDN-2998W ANALOG DELAY LINE—AD7569 In many applications, especially in audio systems necessary to provide a delay on the input signal. The ...
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TARE FUNCTION FOR WEIGH SCALE—AD7569 The infinite sample-and-hold just outlined can also form the ba- sis of a circuit to provide a tare function for a weigh scale sys- tem. Figure 30 shows a circuit for a weigh scale system. ...
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AD7569/AD7669 24-Pin Plastic (N-24) 28-Terminal Leadless Ceramic Chip Carrier (E-28A) 28-Pin Plastic DIP (N-28) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 24-Pin Cerdip (Q-24) 28-Terminal Plastic Leaded Chip Carrier 28-Lead Small Outline (SO) –20– (P-28A) (R-28) REV. B ...