AD7776AR-REEL Analog Devices Inc, AD7776AR-REEL Datasheet
AD7776AR-REEL
Specifications of AD7776AR-REEL
Related parts for AD7776AR-REEL
AD7776AR-REEL Summary of contents
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AD7776/AD7777/AD7778–SPECIFICATIONS CLKIN = 8 MHz; RTN = nF; all specifications T REFIN Parameter A Versions DC ACCURACY 2 Resolution 10 ± 1 Relative Accuracy ± 1 Differential Nonlinearity ± 12 Bias Offset Error Bias Offset ...
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TIMING SPECIFICATIONS Parameter INTERFACE TIMING CS Falling Edge Falling Edge Rising Edge to CS Rising Edge WR Pulsewidth Active to Valid Data 3, 4 Bus Relinquish Time after ...
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... This is a stress rating only; functional operation of the device + 0 these or any other conditions above those listed in the operational sections of this CC + 0.3 V specification is not implied. Exposure to absolute maximum rating conditions for CC extended periods may affect device reliability. Model AD7776AR AD7777AN AD7777AR AD7778AS *R = SOIC PDIP PQFP PIN CONFIGURATIONS 24 C REFIN ...
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Mnemonic Description Power Supply. CC AGND Analog Ground. DGND Digital Ground. Ground reference for digital circuitry. DB0–DB9 Input/Output Data Bus. This is a bidirectional data port from which ADC output data may be read and to which ...
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AD7776/AD7777/AD7778 CONTROL REGISTER The control register is 10-bit wide and can only be written to. On power-on, all locations in the control register are automati- cally loaded with 0s. For the single channel AD7776, locations CR0 to CR6 of the ...
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ADC Conversion Start Timing Figure 6 shows the operating waveforms for the start of a conver- sion cycle. On the rising edge of WR, the conversion cycle starts with the acquisition and tracking of the selected ADC channel, A 1–8. ...
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AD7776/AD7777/AD7778 Microprocessor Interfacing Circuits The AD7776/AD7777/AD7778 family of ADCs is intended to interface to DSP machines such as the ADSP-2101, ADSP-2105, the TMS320 family and microcontrollers such as the 80C196 family. Figure 7 shows the AD7776/AD7777/AD7778 interfaced to the TMS320C10 ...
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Table I. AD7776/AD7777/AD7778 Truth Table for Microprocessor Interfacing DB0–DB9 Function/Comments High Z Data Port High Impedance Data Load control register (CR) data to control register and start a conversion. k ...
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AD7776/AD7777/AD7778 Short Circuit Current This is defined as the maximum current which flows either into or out of the REFOUT pin if this pin is shorted to any potential between 0 V and V . This condition can be allowed ...
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Changing the Analog Input Voltage Range By biasing the RTN pin above AGND possible to change the analog input voltage range from its V a more traditional range. The new input range can REF ...
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AD7776/AD7777/AD7778 6.35 (0.2500) MAX 5.05 (0.1988) 3.18 (0.1252) SEATING COPLANARITY 0.10 0.25 MAX Revision History Location 10/02—Data Sheet changed from REV REV. A. Changes to SPECIFICATIONS . . . . . . . . . . . . ...