AD7891AS-1

LC2MOS 8-Channel, 12-Bit, High Speed, Data Acquisition System, 44-PQFP, On-Chip Reference

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Price:: US $6.50~7.00 / piece [Get Latest Price]

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	US $6.50~7.00

PartNumber:: AD7891AS-1

Brand:: Analog Devices - ADI | Pack: QFP | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-09-29

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Part Number:AD7891AS-1
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Product Summary

The AD7891AS-1 is an eight-channel 12-bit data acquisition system with a choice of either parallel or serial interface structure. The part contains an input multiplexer, an on-chip track/hold amplifier, a high speed 12-bit ADC, a +2.5V reference and a high speed interface. The AD7891AS-1 provides the option of either a parallel interface or serial interface structure determined by the MODE pin. The applications of the AD7891AS-1 are Data Acquisition Systems, Motor Control, Mobile Communication Base Stations, Instrumentation.

Parametrics

AD7891AS-1 absolute maximum ratings: (1)VDD to AGND:–0.3 V to +7 V; (2)VDD to DGND:–0.3 V to +7 V; (3)Analog Input Voltage to AGND:±17 V; (4)Reference Input Voltage to AGND:–0.3 V to VDD + 0.3 V; (5)Digital Input Voltage to DGND:–0.3 V to VDD + 0.3 V; (6)Digital Output Voltage to DGND:–0.3 V to VDD + 0.3 V; (7)Operating Temperature Range: Commercial (A, B Version):–40℃ to +85℃, Automotive (Y Version):–55℃ to +105℃; (8)Storage Temperature Range:–65℃ to +150℃; (9)Junction Temperature:+150℃.

Features

AD7891AS-1 features: (1)Fast 12-Bit ADC with 1.6 ms Conversion Time; (2)Eight Single-Ended Analog Input Channels; (3)Overvoltage Protection on Each Channel; (4)Selection of Input Ranges: ±5V, ±10V for AD7891-1; (5)Parallel and Serial Interface; (6)On-Chip Track/Hold Amplifier; (7)On-Chip Reference; (8)Single Supply, Low Power Operation (85 mW max); (9)Power-Down Mode (75μW typ).