AD7813YRU Analog Devices Inc, AD7813YRU Datasheet
AD7813YRU
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AD7813YRU Summary of contents
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FEATURES 8-/10-Bit ADC with 2.3 s Conversion Time On-Chip Track and Hold Operating Supply Range: 2 5.5 V Specifications at 2.7 V – 3.6 V and 5 V 8-Bit Parallel Interface 8-Bit + 2-Bit Read Power Performance ...
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AD7813–SPECIFICATIONS Parameter DYNAMIC PERFORMANCE 1 Signal to (Noise + Distortion) Ratio 1 Total Harmonic Distortion (THD) 1 Peak Harmonic or Spurious Noise 2 Intermodulation Distortion 2nd Order Terms 3rd Order Terms DC ACCURACY Resolution Minimum Resolution for Which No Missing ...
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... Rising Edge Falling Edge of CONVST Delay. ns (min) , quoted in the Timing Characteristics is the true bus relinquish time Figure 1. Load Circuit for Digital Output Timing Specifications Model AD7813YN AD7813YR AD7813YRU ± 1 LSB –3– AD7813 = 5 V ± 10% and DD 200 1.6V OUTPUT PIN C L 50pF 200 A I ...
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AD7813 Pin No. Mnemonic Description 1 V Reference Input, 1 REF 2 V Analog Input GND Analog and Digital Ground. Convert Start. A low-to-high transition on this pin initiates a 1.5 ...
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TERMINOLOGY Signal to (Noise + Distortion) Ratio This is the measured ratio of signal to (noise + distortion) at the output of the A/D converter. The signal is the rms amplitude of the fundamental. Noise is the rms sum of ...
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AD7813 CIRCUIT DESCRIPTION Converter Operation The AD7813 is a successive approximation analog-to-digital converter based around a charge redistribution DAC. The ADC can convert analog input signals in the range ures 2 and 3 below show simplified ...
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During the acquisition phase the sampling capacitor must be charged to within a 1/2 LSB of its final value. The time it takes to charge the sampling capacitor (T CHARGE following formula: = 7.6 × (R2 + 125 Ω) × ...
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AD7813 Typical Performance Characteristics 10 1 0.1 0. THROUGHPUT – kSPS Figure 10. Power vs. Throughput 0 AD7813 –10 2048 POINT FFT SAMPLING 357.142kHz –20 f 30.168kHz IN –30 –40 –50 –60 –70 ...
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EXT CONVST t POWER-UP INT CONVST BUSY CS/RD DB7–DB0 EXT CONVST t POWER-UP INT CONVST BUSY CS/RD DB7–DB0 PARALLEL INTERFACE The parallel interface of the AD7813 is eight bits wide. The output data buffers are activated when both CS and ...
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AD7813 MICROPROCESSOR INTERFACING The parallel port on the AD7813 allows the device to be inter- faced to a range of many different microcontrollers. This section explains how to interface the AD7813 with some of the more common microcontroller parallel interface ...
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REV. C OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 16-Lead Plastic DIP (N-16) 0.840 (21.33) 0.745 (18.93 0.280 (7.11) 0.240 (6.10 PIN 1 0.060 (1.52) 0.015 (0.38) MAX 0.130 ...