PCF85176H_10 Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

PCF85176H_10

Universal LCD driver for low multiplex rates

NXP Semiconductors. 

NXP Semiconductors

PCF85176

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.

013aaa209

Fig 7.

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

PCF85176_1

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 01 — 14 April 2010

© NXP B.V. 2010. All rights reserved.

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