LPC81XM datasheet(57/78 Pages) NXP

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LPC81XM

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Product data sheet

Rev. 4.6 — 4 April 2018

57 of 78

NXP Semiconductors

LPC81xM

32-bit ARM Cortex-M0+ microcontroller

[1]

CL = 10 pF; results from measurements on silicon samples over process corners and over the full temperature range Tamb = 40 C to

+105

C. Typical data are for T

amb = 27 C.

[2]

Input hysteresis is relative to the reference input channel and is software programmable to three levels.

[1]

Maximum values are derived from worst case simulation (VDD = 2.6 V; Tamb = 105 C; slow process

models).

[2]

Settling time applies to switching between comparator channels.

tPD

propagation delay

HIGH to LOW; VDD = 3.0 V;

VIC = 0.1 V; 50 mV overdrive input

[1]

109

121

VIC = 0.1 V; rail-to-rail input

[1]

155

164

VIC = 1.5 V; 50 mV overdrive input

[1]

-95

105

VIC = 1.5 V; rail-to-rail input

[1]

101

108

VIC = 2.9 V; 50 mV overdrive input

[1]

122

129

VIC = 2.9 V; rail-to-rail input

[1]

-74

tPD

propagation delay

LOW to HIGH; VDD = 3.0 V;

VIC = 0.1 V; 50 mV overdrive input

[1]

246

260

VIC = 0.1 V; rail-to-rail input

[1]

-57

VIC = 1.5 V; 50 mV overdrive input

[1]

218

VIC = 1.5 V; rail-to-rail input

[1]

146

155

VIC = 2.9 V; 50 mV overdrive input

[1]

184

206

VIC = 2.9 V; rail-to-rail input

[1]

250

286

Vhys

hysteresis voltage

positive hysteresis; VDD = 3.0 V;

VIC = 1.5 V

[2]

6, 11, 21

Vhys

hysteresis voltage

negative hysteresis; VDD = 3.0 V;

VIC = 1.5 V

[2][2] -

4, 9, 19

Rlad

ladder resistance

1.034



Table 22.

Comparator characteristics …continued

VDD = 3.0 V and Tamb = 27 C unless noted otherwise.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 23.

Comparator voltage ladder dynamic characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

ts(pu)

power-up settling

time

to 99% of voltage

ladder output

value

[1] --

s

ts(sw)

switching settling

time

to 99% of voltage

ladder output

value

[1]

[2]

s

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