Datasheet > PCA8576C

PCA8576C

更新时间： 2022-03-04 04:46:40

品牌	Logo	应用领域
恩智浦 - NXP		驱动器
页数	文件大小	规格书
44页	330K
描述
Universal LCD driver for low multiplex rates

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数据手册

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PCA8576C 数据手册

PCA8576C

NXP Semiconductors

Universal LCD driver for low multiplex rates

LCD

LCD segments

/ 3

LCD

/ 3

BP0

BP1

LCD

state 1

LCD

state 2

/ 3

LCD

/ 3

LCD

/ 3

LCD

/ 3

LCD

/ 3

LCD

/ 3

Sn+1

LCD

(a) Waveforms at driver.

LCD

/ 3

LCD

/ 3

LCD

0 V

−V

state 1

/ 3

LCD

−2V

/ 3

LCD

−V

LCD

/ 3

LCD

0 V

−V

state 2

/ 3

LCD

−2V

/ 3

LCD

−V

LCD

(b) Resultant waveforms

at LCD segment.

mgl747

V_state1(t) = V_Sn(t) − V_BP0(t).

V_on(RMS)= 0.745V_LCD

V_state2(t) = V_Sn(t) − V_BP1(t)

V_off(RMS)= 0.333V_LCD.

Fig 7. Waveforms for the 1:2 multiplex drive mode with ¹⁄₃bias

PCA8576C

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Product data sheet

Rev. 1 — 22 July 2010

11 of 44

1...8 9 101112 13 14...44

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