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混合信号通信的数字编码方案

资料介绍
An Analog-to-Digital (A/D) converter translates an ana-
log input signal into a discrete digital code. This digital
representation of the “real world” signal can be manip-
ulated in the digital domain for the purposes of informa-
tion processing, computing, data transmission or
control system implementation. In any application
where a converter is used, it is advantageous to have
the code structure complement the microcontroller’s
operands.
This application note describes the straight binary and
binary two’s complement code schemes that are out-
putted by Microchip’s Analog-to-Digital (A/D) convert-
ers.
All code examples given in this application note are for
a 4-bit conversion. The median analog voltages in the
tables are the equivalent analog voltages that are at the
center of the digital code.
M AN753
Digital Coding Schemes for Mixed Signal Communication

Author: Bonnie C. Baker Median Analog Voltage
Digital Code
Microchip Technology Inc. (V)
0.9375 FS (15/16 FS) 1111
OVERVIEW 0.875 FS (14/16 FS) 1110
An Analog-to-Digital (A/D) converter translates an ana- 0.8125 FS (13/
16 FS……
混合信号通信的数字编码方案
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