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PCA85276ATT/AJ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P55
PCA85276 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 2 — 9 April 2015 22 of 55
NXP Semiconductors
PCA85276
Automotive 40 x 4 LCD driver
7.5.4.2 1:2 Multiplex drive mode
When two backplanes are provided in the LCD, the 1:2 multiplex mode applies. The
PCA85276 allows the use of
1
⁄
2
bias or
1
⁄
3
bias in this mode as shown in Figure 12 and
Figure 13
.
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.791V
LCD
.
V
state2
(t) = V
Sn
(t) V
BP1
(t).
V
off(RMS)
= 0.354V
LCD
.
Fig 12. Waveforms for the 1:2 multiplex drive mode with
1
⁄
2
bias
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7
IU
PCA85276 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 2 — 9 April 2015 23 of 55
NXP Semiconductors
PCA85276
Automotive 40 x 4 LCD driver
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 13. Waveforms for the 1:2 multiplex drive mode with
1
⁄
3
bias
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VWDWH
%3
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E5HVXOWDQWZDYHIRUPV
DW/&'VHJPHQW
/&'VHJPHQWV
VWDWH
%3
VWDWH
VWDWH
9
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6Q
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IU
9
66
9
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
PCA85276 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved.
Product data sheet Rev. 2 — 9 April 2015 24 of 55
NXP Semiconductors
PCA85276
Automotive 40 x 4 LCD driver
7.5.4.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies, as
shown in Figure 14
.
V
state1
(t) = V
Sn
(t) V
BP0
(t).
V
on(RMS)
= 0.638V
LCD
.
V
state2
(t) = V
Sn
(t) V
BP1
(t).
V
off(RMS)
= 0.333V
LCD
.
Fig 14. Waveforms for the 1:3 multiplex drive mode with
1
⁄
3
bias
DDD
VWDWH
%3
E5HVXOWDQWZDYHIRUPV
DW/&'VHJPHQW
/&'VHJPHQWV
VWDWH
%3
VWDWH
VWDWH
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7
IU
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P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48P49-P51P52-P54P55-P55

PCA85276ATT/AJ

Mfr. #:
Buy PCA85276ATT/AJ
Manufacturer:
NXP Semiconductors
Description:
LCD Drivers Automotive LCD drvr low multiplex
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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