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A mixed-signal sensor interface microinstrument
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DOI：10.1016/S0924-4247(01)00596-9.png)
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摘要
En 中文
A single-chip implementation of a microinstrumentation system is presented. The chip incorporates voltage, current, and capacitive sensor interfaces; a temperature sensor; a 20-channel, 12-bit analog-to-digital converter; and an 8-bit microcontroller with a 16-bit hardware multiplier and a 40-bit accumulator. Serial and parallel interfaces allow digital communication with a host system. Fabricated in a standard 0.35 mum digital CMOS process, the die occupies 3.8 mm x 4.1 mm, operates from a nominal supply voltage of 3 V, and draws 16 mA when fully powered (850 muA standby current). To facilitate: testing of the prototype, extra pads are bonded out to package pins. The chips are packaged in 132-pin ceramic pin-grid-array packages. (C) 2001 Elsevier Science B.V. All rights reserved.
Keyword:
sensor interfaces
microinstrumentation
mixed-signal design
embedded microcontroller
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4.9
论文数:
1.5W
被引数:
3.3W
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