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SLG46121V 데이터시트(PDF) 73 Page - Dialog Semiconductor

부품명 SLG46121V
상세설명  Personal Computers and Servers
PDF  98 Pages
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SLG46121
13.0 Voltage Reference (VREF)
13.1 Voltage Reference Overview
The SLG46121 has a Voltage Reference Macrocell to provide references to the four analog comparators. This macrocell can
supply a user selection of fixed voltage references, /3 and /4 reference off of the VDD power supply to the device, and externally
supplied voltage references from Pin 4. The macrocell also has the option to output reference voltages on pins 10. See table
below for the available selections for each analog comparator. Also see Figure 45 below, which shows the reference output
structure.
13.2 VREF Selection Table
Table 55. VREF Selection Table.
SEL<4:0>
CMP0_VREF
CMP1_VREF
11010
ext. Vref (PIN4)
ext. Vref (PIN4)
11001
VDD / 4
VDD / 4
11000
VDD / 3
VDD / 3
10111
1.20 V
1.20 V
10110
1.15 V
1.15 V
10101
1.10 V
1.10 V
10100
1.05 V
1.05 V
10011
1.00 V
1.00 V
10010
0.95 V
0.95 V
10001
0.90 V
0.90 V
10000
0.85 V
0.85 V
01111
0.80 V
0.80 V
01110
0.75 V
0.75 V
01101
0.70 V
0.70 V
01100
0.65 V
0.65 V
01011
0.60 V
0.60 V
01010
0.55 V
0.55 V
01001
0.50 V
0.50 V
01000
0.45 V
0.45 V
00111
0.40 V
0.40 V
00110
0.35 V
0.35 V
00101
0.30 V
0.30 V
00100
0.25 V
0.25 V
00011
0.20 V
0.20 V
00010
0.15 V
0.15 V
00001
0.10 V
0.10 V
00000
0.05 V
0.05 V
VDD
Practial VREF Range
Note
3.0 V - 5.5 V
50 mV ~1.2 V
VDD > 3.6 V external Vref cannot be used



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