ADS7844E

analog-todigital converter, 20-QSOP, 200k, 4.5mW, –0.3V to +6V

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PartNumber:: ADS7844E

Brand:: Texas Instruments - TI | Pack: SSOP | D/C: 11+

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Products Upload time: 2012-03-21

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Part Number:ADS7844E
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Product Summary

The ADS7844E is an 8-channel, 12-bit sampling analog-todigital converter (ADC) with a synchronous serial interface. Typical power dissipation is 3mW at a 200kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a corresponding input voltage range of 0V to VREF. The ADS7844E includes a shutdown mode that reduces power dissipation to under 1μW. The ADS7844E is ensured down to 2.7V operation. The applications of the ADS7844E include data acquisition, test and measurement, industrial process control, personal digital assistants and battery-powered systems.

Parametrics

ADS7844E absolute maximum ratings: (1)+VCC to GND: –0.3V to +6V; (2)Analog Inputs to GND: –0.3V to +VCC + 0.3V; (3)Digital Inputs to GND: –0.3V to +6V; (4)Power Dissipation: 250mW; (5)Maximum Junction Temperature: +150℃; (6)Operating Temperature Range: –40 to +85℃; (7)Storage Temperature Range: –65 to +150℃; (8)Lead Temperature (soldering, 10s): +300℃.

Features

ADS7844E features: (1)single supply: 2.7V to 5V; (2)8-channel single-ended or 4-channel differential input; (3)up to 200kHz conversion rate; (4)±1 LSB max inl and dnl; (5)no missing codes; (6)72dB sinad; (7)serial interface; (8)20-lead QSOP and 20-lead SSOP packages; (9)alternate source for MAX147.