PCA9620H/Q900/1,51 NXP Semiconductors, PCA9620H/Q900/1,51 Datasheet - Page 27

• Manufacturer Part Number: PCA9620H/Q900/1,51
• Description: LCD Drivers 480 SEGMENT LCD SEGMENT DRIVER
• Manufacturer: NXP Semiconductors

Specifications of PCA9620H/Q900/1,51

• Number Of Segments: 60
• Maximum Clock Frequency: 14500 Hz
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 105 C
• Package / Case: LQFP-80
• Maximum Supply Current: 200 uA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935291899518

NXP Semiconductors
PCA9620
Product data sheet
Fig 19. Waveforms for 1:6 multiplex drive mode with
state 1
state 2
Sn + 1
BP0
BP1
BP2
BP3
BP4
BP5
Sn
V
V
state1
on(RMS)
−2V
−2V
2V
2V
2V
2V
2V
2V
2V
2V
2V
−V
2V
−V
V
V
V
V
V
V
V
V
V
V
7.4.2.4 1:6 Multiplex drive mode
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
(t) = V
−V
−V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
(t) = 0.509V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
SS
SS
SS
SS
SS
SS
SS
SS
SS
SS
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
Sn
(t) − V
When six backplanes are provided in the LCD, the 1:6 multiplex drive mode applies. The
PCA9620 allows the use of
Figure
LCD
BP0
. V
(t). V
20.
off(RMS)
state2
(t) = 0.333V
(t) = V
All information provided in this document is subject to legal disclaimers.
Sn
(t) − V
Rev. 1 — 9 December 2010
LCD
BP1
.
(t).
1
⁄
3
Tfr
bias or
1
⁄
3
bias (line inversion mode)
1
⁄
4
bias in this mode as shown in
Universal LCD driver for low multiplex rates
state 1
PCA9620
LCD segments
© NXP B.V. 2010. All rights reserved.
Figure 19
001aal399
state 2
and
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