mic3003 Micrel Semiconductor, mic3003 Datasheet - Page 18
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mic3003
Manufacturer Part Number
mic3003
Description
Fom Management Ic With Internal Calibration
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC3003.pdf
(75 pages)
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Micrel, Inc.
MIC3003
Block Diagram
Figure 1. MIC3003 Block Diagram
Analog-to-Digital Converter/Signal
Monitoring
A block diagram of the monitoring circuit is shown below.
Each of the five analog parameters monitored by the
MIC3003 is sampled in sequence. All five parameters are
sampled and the results updated within the t
duration
CONV
given in the “Electrical Characteristics” section. In OEM
mode, the channel that is normally used to measure V
IN
may be assigned to measure the level of the V
pin or
DDA
one of five other nodes. This provides a kind of analog
loopback for debug and test purposes. The V
bits in
AUX
OEMCFG0 control which voltage source is being
sampled. The various V
channels are level-shifted
AUX
differently depending on the signal source, resulting in
different LSB values and signal ranges. See Table 5.
Figure 2. Analog-to-Digital Converter Block Diagram
18
May 2009
M9999-052709-A
hbwhelp@micrel.com
or (408) 955-1690
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