AD976ANZ Analog Devices Inc, AD976ANZ Datasheet
AD976ANZ
Specifications of AD976ANZ
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AD976ANZ Summary of contents
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FEATURES Fast 16-Bit ADC 200 kSPS Throughput – AD976A 100 kSPS Throughput – AD976 Single 5 V Supply Operation Input Range 100 mW Max Power Dissipation Choice of External or Internal 2.5 V Reference High Speed Parallel ...
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AD976/AD976A AD976A–SPECIFICATIONS Parameter RESOLUTION ANALOG INPUT Voltage Range Impedance Capacitance THROUGHPUT SPEED Complete Cycle Throughput Rate DC ACCURACY Integral Linearity Error Differential Linearity Error No Missing Codes 2 Transition Noise 3, 4 Full-Scale Error Full-Scale Error Drift Full-Scale Error, Ext. ...
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AD976–SPECIFICATIONS Parameter RESOLUTION ANALOG INPUT Voltage Range Impedance Capacitance THROUGHPUT SPEED Complete Cycle Throughput Rate DC ACCURACY Integral Linearity Error Differential Linearity Error No Missing Codes 2 Transition Noise 3, 4 Full-Scale Error Full-Scale Error Drift Full-Scale Error, Ext. REF ...
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AD976/AD976A Parameter DIGITAL OUTPUTS Data Format Data Coding Leakage Current Output Capacitance DIGITAL TIMING Bus Access Time Bus Relinquish Time POWER SUPPLIES Specified Performance V DIG V ANA I DIG I ANA Power Dissipation TEMPERATURE RANGE ...
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ABSOLUTE MAXIMUM RATINGS Analog Inputs ...
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AD976/AD976A Pin No. Mnemonic Description 1 V Analog Input. Connect a 200 IN input range AGND1 Analog Ground. Used as the ground reference point for the REF pin. 3 REF Reference Input/Output. The internal +2.5 V ...
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APERTURE JITTER Aperture jitter is the variation in aperture delay for successive samples and is manifested as noise on the input to the A/D. TRANSIENT RESPONSE The time required for the AD976/AD976A to achieve its rated accuracy after a full-scale ...
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AD976/AD976A CONVERSION CONTROL The AD976/AD976A is controlled by two signals: R/C and CS, as shown in Figures 2 and 3. To initiate a conversion and place the sample/hold circuit into the hold state, both the R/C and CS signals must ...
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R/C CS BYTE PINS 6–13 PINS 15–22 Figure 4. Using CS and BYTE to Control Data Bus Read Timing Regardless of the method for controlling conversions, output data from conversion “n–1” will be valid during the BUSY Low time for ...
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AD976/AD976A With Both External Error Term Resistors Included Offset Error –10 mV < Error < +Full Scale –0.50% < Error < 0.50% Error –0.25% < Error < 0.25% –Full Scale –0.50% < Error < 0.50% Error –0.25% < ...
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VOLTAGE REFERENCE The AD976/AD976A has an on-chip temperature compensated bandgap voltage reference that is factory trimmed to 2 mV. The full-scale range of the ADC is equal Thus, the nominal range will ...
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AD976/AD976A 100% 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2 OUTPUT CODE – K Figure 11. INL Plot 100% 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2 ...
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POSITIVE DNL DISTRIBUTION – LSB Figure 17. Typical Position DNL Distribution (1516 Units) DC CODE UNCERTAINTY Ideally, a fixed dc input should result in the same output code for repetitive conversions; however ...
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AD976/AD976A 8051 Interface Figure 21 illustrates the use of the AD976/AD976A with an 8051 microcontroller. AD7 P0 BUS AD0 LATCH 8051 A0 BUS A15 ADDR P2 BUS DECODE INT *ADDITIONAL PINS OMITTED FOR CLARITY Figure 21. AD976/AD976A ...
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GROUNDING The AD976/AD976A has three ground pins; AGND1, AGND2 and DGND. The analog ground pins are the “high quality” ground reference points and should be connected to the system analog common. AGND2 is the ground to which most internal ADC ...
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AD976/AD976A 0.210 (5.33) 0.150 (3.81) 0.115 (2.92) 0.0118 (0.30) 0.0040 (0.10) 0.078 (1.98) 0.068 (1.73) 0.008 (0.203) 0.002 (0.050) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 28-Lead 300 mil Plastic DIP (N-28B) 1.425 (36.195) 1.385 (35.179 0.280 ...