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UC3704N датащи(PDF) 1 Page - Texas Instruments |
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UC3704N датащи(HTML) 1 Page - Texas Instruments |
1 / 6 page This integrated circuit contains a complete signal conditioning sys- tem to interface low-level variable impedance transducers to a digital system. A pair of matched, temperature-compensated cur- rent sources are provided for balanced transducer excitation fol- lowed by a precision, high-gain comparator. The output of this comparator can be delayed by a user-selectable duration, after which a second comparator will switch complementary outputs separately activated for diagnostic operation and has an optional latch with external reset capability. An added feature is a high cur- rent power source useful as a heater driver in differential tempera- ture sensing applications. The UC3704 is designed for 0°C to +70°C environments. Bridge Transducer Switch UC3704 SENSOR TYPE ACTIVATION SOURCE Temperature Pressure Force Position Displacement Velocity Shock Thermistor X X Sensistor X X Thermocouple X Semiconductor X X X Photo Voltaic X X X Photo Resistive X X X Strain Gage XXXXXX Piezoelectric X X X X X Magneto Resistive X X Inductive XXXX Hall Effect X X Capacitive X • Dual Matched Current Sources • High-gain Differential Sensing Circuit • Wide Common-mode Input Capability • Complementary Digital Open-collector Outputs • Externally Programmable Time Delay • Optional Output Latch with Reset • Built-in Diagnostic Activation • Wide Supply Voltage Range • High Current Heater Power Source Driver UC3704 COMPATIBLE SENSORS BLOCK DIAGRAM 6/93 FEATURES DESCRIPTION |
Аналогичный номер детали - UC3704N |
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Аналогичное описание - UC3704N |
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