P87LPC779FDH datasheet(70/74 Pages) PHILIPS

70 / 74 page

Philips Semiconductors

P87LPC779

CMOS single-chip 8-bit microcontroller

Product data

Rev. 02 — 03 May 2004

70 of 74

9397 750 13213

12. Comparator electrical characteristics

[1]

This parameter is characterized, but not tested in production.

13. D/A electrical characteristics

Fig 30. External clock timing.

tCHCL

tCLCX

tCHCX

tCLCH

002aaa416

0.2 VDD + 0.9

0.2 VDD - 0.1 V

VDD - 0.5 V

0.45 V

Table 58:

Comparator electrical characteristics

VDD = 2.7 V to 5.5 V unless otherwise speciﬁed.

Tamb = −40 °C to +85 °C for extended industrial, unless otherwise speciﬁed.

Symbol Parameter

Conditions

Min

Typ[1]

Max

Unit

VIO

Offset voltage comparator inputs[1]

±10

VCR

Common mode range comparator inputs

VDD − 0.3 V

CMRR

Common mode rejection ratio[1]

−50

Response time

250

500

Comparator enable to output valid

µs

IIL

Input leakage current, comparator

0 < VIN < VDD

±10

µA

Table 59:

D/A electrical characteristics

VDD = 2.7 V to 5.5 V unless otherwise speciﬁed.

Tamb = −40 °C to +85 °C for extended industrial, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Analog output

VOA

output voltage

no resistive load

VSS

-VDD

RL = 100 k

0.975

× V

-VDD

RL = 10 k

0.9

× VDD

-VDD

tDACrise

rise time 10 % to 90 % VDD

no load

100

CL = 100 pF

500

tDACfall

fall time 90 % to 10 % VDD

no load

CL = 100 pF

500

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