AD654JRZ-REEL7 Analog Devices Inc, AD654JRZ-REEL7 Datasheet
AD654JRZ-REEL7
Specifications of AD654JRZ-REEL7
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AD654JRZ-REEL7 Summary of contents
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FEATURES Low Cost Single or Dual Supply Full-Scale Frequency Up to 500 kHz Minimum Number of External Components Needed Versatile Input Amplifier Positive or Negative Voltage Modes Negative Current Mode High Input Impedance, Low ...
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AD654–SPECIFICATIONS Model CURRENT-TO-FREQUENCY CONVERTER Frequency Range 1 Nonlinearity f = 250 kHz MAX f = 500 kHz MAX Full-Scale Calibration Error C = 390 pF 1.000 mA IN vs. Supply (f 250 kHz) MAX V = +4.75 V ...
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ABSOLUTE MAXIMUM RATING Total Supply Voltage +V to – Maximum Input Voltage (Pins –V ...
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AD654 CIRCUIT OPERATION The AD654’s block diagram appears in Figure 1. A versatile operational amplifier serves as the input stage; its purpose is to convert and scale the input voltage signal to a drive current in the NPN follower. Optimum ...
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C AD654 R COMP Figure 3b. Bias Current Compensation—Negative Inputs If the AD654’ offset voltage must be trimmed, the trim must be performed external to the device. Figure 3c shows an optional connection ...
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AD654 and insure the supply, source and load are appropriate. If provision is made to trim offset, begin by setting the input to 1/10,000 of full scale. Adjust the offset pot until the output is 1/10,000 of full scale (for ...
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AD589 – AD592 1 A/k Figure 8. Two-Wire Temperature-to-Frequency Converter TWO-WIRE TEMPERATURE-TO-FREQUENCY CONVERSION Figure 8 shows the AD654 in a two-wire temperature-to-frequency conversion scheme. The twisted pair transmission line serves the dual purpose of supplying power to the device ...
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AD654 At the receiver side, the output transistor is operated in the photo-transistor mode; that is with the base lead (Pin 6) open. This allows the highest possible output current. For reasonable speed in this mode imperative that ...
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V 20pF CC XTAL1 6MHz 20pF XTAL2 1 F RESET INT T0 T1 ALE PSEN PROG 10k AD654 1000pF 825 V IN ...
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AD654 0 AD654 0 (0V TO 1V) – A OPERATION AT HIGHER OUTPUT FREQUENCIES Operation of the AD654 via the conventional output (Pins 1 and 2) ...
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REV. B OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead Plastic DIP (N-8) 0.430 (10.92) 0.348 (8.84 0.280 (7.11) PIN 1 0.240 (6.10 0.325 (8.25) 0.100 (2.54) 0.300 (7.62) ...