AD7701AQ Analog Devices, AD7701AQ Datasheet
AD7701AQ
Related parts for AD7701AQ
AD7701AQ Summary of contents
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... CMOS construction insures low power dissipation, and a power down mode reduces the idle power consumption to only 10 W. REV. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use ...
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AD7701–SPECIFICATIONS Parameter A, S Versions STATIC PERFORMANCE Resolution 16 Integral Nonlinearity MIN MAX Differential Nonlinearity MIN MAX 3 Positive Full-Scale Error 4 Full-Scale Drift 3 Unipolar Offset Error 4 Unipolar Offset Drift 3 Bipolar ...
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Parameter A, S Versions 8 POWER REQUIREMENTS Power Supply Voltages Analog Positive Supply (AV ) 4.5/5.5 DD Digital Positive Supply (DV ) 4.5/AV DD Analog Negative Supply (AV ) –4.5/–5.5 SS Digital Negative Supply (DV ) –4.5/–5.5 SS Calibration Memory ...
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... SDATA 2 27 SCLK AD7701AN 3 26 DRDY CLKIN AD7701BN 4 25 SC2 SC1 AD7701AR DGND AD7701BR AD7701 AD7701ARS TOP VIEW AD7701AQ (Not to Scale AD7701BQ AD7701SQ AD7701TQ 12 17 AGND CAL 16 A ...
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TIMING CHARACTERISTICS Limit MIN MAX Parameter (A, B Versions 200 CLKIN 5 200 1000 3 SSC ...
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AD7701 I OL 1.6mA TO + 2.1V OUTPUT C PIN L 100pF I OH 200 A Figure 1. Load Circuit for Access Time and Bus Relinquish Time HI-Z DATA SDATA VALID Figure 3. SSC Mode Data Hold ...
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OFFSET CALIBRATION RANGE In the system calibration modes (SC2 low) the AD7701 calibrates its offset with respect to the A Calibration Range specification defines the range of voltages, expressed as a percentage of V that the AD7701 can accept REF ...
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AD7701 Sigma-delta ADCs are generally described by the order of the analog low-pass filter. A simple example of a first order sigma- delta ADC is shown in Figure 9. This contains only a first-order low-pass filter or integrator. It also ...
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The output settling of the AD7701 in response to a step input change is shown in Figure 12. The Gaussian response has fast settling with no overshoot, and the worst-case settling time to 0.0007% ( 0.5 LSB) is 125 ms ...
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AD7701 INPUT SIGNAL CONDITIONING Reference voltages from + may be used with the AD7701, with little degradation in performance. Input ranges that cannot be accommodated by this range of reference voltages may be achieved by input ...
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VOLTAGE REFERENCE CONNECTIONS The voltage applied to the V pin defines the analog input REF range. The specified reference voltage is 2.5 V, but the AD7701 will operate with reference voltages from with little degradation ...
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AD7701 CAL SC1 SC2 CAL TYPE 0 0 Self-Cal 1 1 System Offset 0 1 System Gain 1 0 System Offset NOTE DRDY remains high throughout the calibration sequence. In the Self-Cal mode, DRDY falls once the AD7701 has settled ...
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F 10k REF AD707 10V 1V 10k 0.1 F Figure 17. Single Supply Operation SLEEP MODE The low power standby mode is initiated by taking the SLEEP input low, which shuts down all analog and digital circuits and reduces ...
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AD7701 SYNCHRONOUS EXTERNAL CLOCK MODE (SEC) The SEC mode (MODE pin grounded) is designed for direct interface to the synchronous serial ports of industry-standard microprocessors such as the COPS series, 68HC11 and 68HC05. The SEC mode also allows customized interfaces, ...
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ASYNCHRONOUS COMMUNICATIONS (AC) MODE The AC mode (MODE pin tied to –5 V) offers a UART- compatible interface which allows the AD7701 to transmit data asynchronously from remote locations. An external SCLK sets the baud rate and data is transmitted ...
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AD7701 20-Pin Plastic DIP (N-20 0.280 (7.11) PIN 1 0.240 (6.10 1.060 (26.90) 0.925 (23.50) 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX 0.160 (4.06) 0.115 (2.93) 0.100 0.022 (0.558) 0.070 (1.77) (2.54) 0.014 (0.356) 0.045 (1.15) ...