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AD654JNZ

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產品介紹

The AD654 is a monolithic V/F converter consisting of an inputamplifier, a precision oscillator system, and a high current outputstage. A single RC network is all that is required to set up anyfull scale (FS) frequency up to 500 kHz and any FS input voltageup to ± 30 V. Linearity error is only 0.03% for a 250 kHz FS,and operation is guaranteed over an 80 dB dynamic range. Theoverall temperature coefficient (excluding the effects of externalcomponents) is typically ±50 ppm/°C. The AD654 operates froma single supply of 5 V to 36 V and consumes only 2.0 mA quiescentcurrent.The low drift (4 mV/°C typ) input amplifier allows operationdirectly from small signals such as thermocouples or strain gaugeswhile offering a high (250 MW) input resistance. Unlike mostV/F converters, the AD654 provides a square-wave output, andcan drive up to 12 TTL loads, optocouplers, long cables, orsimilar loads

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