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Description:

The AD1674TD is designed as one kind of complete, multipurpose, 12-bit analog-todigital converter which consisting of a user-transparent onboard sample-and-hold amplifier (SHA), 10 volt reference, clock and three-state output buffers for microprocessor interface.It is fully specified for ac parameters and dc parameters.It can be used in signal processing and traditional dc measurement applications.

Features of the AD1674TD are:(1)complete monolithic 12-Bit 10 ms sampling ADC;(2)on-board sample-and-hold amplifier;(3)industry standard pinout;(4)8- and 16-bit microprocessor interface;(5)AC and DC specified and tested;(6)unipolar and bipolar inputs;(7)+/-5 V, 610 V, 0 V–10 V, 0 V–20 V input ranges;(8)commercial, industrial and military temperature range grades;(9)MIL-STD-883 and SMD compliant versions available.

The absolute maximum ratings of the AD1674TD can be summarized as:(1)Vcc to digital common:0 to +16.5 V;(2)VEE to digital common:0 to -16.5 V;(3)analog common to digital common:±1 V;(4)digital inputs to digital common:-0.5 V to VLOGIC+0.5 V;(5)junction temperature:+175°C;(6)power dissipation: 825 mW;(7)lead temperature, soldering (10 sec):+300°C, 10 sec;(8)storage temperature:-65°C to +150°C.