SLG46110V datasheet(59/82 Pages) DIALOG

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000-0046110-106

Page 58 of 81

SLG46110

13.0 Voltage Reference (VREF)

13.1 Voltage Reference Overview

The SLG46110 has a Voltage Reference Macrocell to provide references to the two 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 pin 10. See table below

for the available selections for each analog comparator. Also see Figure 39 below, which shows the reference output structure.

13.2 VREF Selection Table

Table 44. VREF Selection Table.

SEL<4:0>

CMP0_VREF

CMP1_VREF

11010

ext. Vref (PIN4)

11001

VDD / 4

11000

VDD / 3

10111

1.20 V

10110

1.15 V

10101

1.10 V

10100

1.05 V

10011

1.00 V

10010

0.95 V

10001

0.90 V

10000

0.85 V

01111

0.80 V

01110

0.75 V

01101

0.70 V

01100

0.65 V

01011

0.60 V

01010

0.55 V

01001

0.50 V

01000

0.45 V

00111

0.40 V

00110

0.35 V

00101

0.30 V

00100

0.25 V

00011

0.20 V

00010

0.15 V

00001

0.10 V

00000

0.05 V

VDD

Practial VREF Range

Note

2.0 V - 5.5 V

50 mV ~1.2 V

1.7 V - 2.0V

50 mV ~1.1 V

Higher than 1.1 V negative input, the comparator may show wrong result

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