PC85133-1(2009) Просмотр технического описания (PDF) - NXP Semiconductors.

Номер в каталоге

Компоненты Описание

производитель

PC85133-1
(Rev.:2009)

Universal LCD driver for low multiplex rates

NXP Semiconductors. 

NXP Semiconductors

PCF85133

Universal LCD driver for low multiplex rates

BP0

BP1

Sn

Sn+1

state 1

state 2

VLCD

2VLCD / 3

VLCD / 3

VSS

VLCD

2VLCD / 3

VLCD / 3

VSS

VLCD

2VLCD / 3

VLCD / 3

VSS

VLCD

2VLCD / 3

VLCD / 3

VSS

VLCD

2VLCD / 3

VLCD / 3

0V

−VLCD / 3

−2VLCD / 3

−VLCD

VLCD

2VLCD / 3

VLCD / 3

0V

−VLCD / 3

−2VLCD / 3

−VLCD

Tfr

LCD segments

state 1

state 2

(a) Waveforms at driver.

(b) Resultant waveforms

at LCD segment.

mgl747

Fig 6.

Vstate1(t) = VSn(t) − VBP0(t).

Von(RMS) = 0.745VLCD.

Vstate2(t) = VSn(t) − VBP1(t).

Voff(RMS) = 0.333VLCD.

Waveforms for the 1:2 multiplex drive mode with 1⁄3 bias

PCF85133_1

Product data sheet

Rev. 1 — 17 February 2009

© NXP B.V. 2009. All rights reserved.

9 of 41

Share Link: