LPC86X datasheet(76/99 Pages) NXP

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LPC86x

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Product data sheet

Rev.3 — 28 April 2023

76 of 97

NXP Semiconductors

LPC86x

32-bit Arm Cortex-M0+ microcontroller

13.3 Comparator and internal voltage reference

Table 31.

Internal voltage reference static and dynamic characteristics

Tamb = 40 C to +105 C; VDD = 3.3 V; hysteresis disabled in the comparator CTRL register.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

output voltage

Tamb = -40 C to 105C

860

940

Tamb = 25 C

904

VDD = 3.3 V; characterized through bench measurements on typical samples.

Fig 33. Typical internal voltage reference output voltage

aaa-014424

-40

-10

110

0.890

0.895

0.900

0.905

0.910

temperature (°C)

Vref

ref

(mV)

(V)

Table 32.

Comparator characteristics

Tamb = 40 C to +105 C unless noted otherwise; VDD = 1.8 V to 3.6 V.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Static characteristics

Vref(cmp)

comparator reference

voltage

pin ACMPVREF

1.5

3.6

IDD

supply current

VP > VM; Tamb = 25 °C; VDD = 3.3 V

[2]

-90

A

VM > VP; Tamb = 25 °C; VDD = 3.3 V

[2]

-60

A

VIC

common-mode input voltage

VDD

DVO

output voltage variation

VDD

Voffset

offset voltage

VIC = 0.1 V; VDD = 3.0 V

[2]

-3

VIC = 1.5 V; VDD = 3.0 V

[2]

-3

VIC = 2.9 V; VDD = 3.0V

[2]

-6

Dynamic characteristics

tstartup

start-up time

nominal process; VDD = 3.3 V; Tamb =

°C

-13

s

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