PCA9620H/Q900/1,51 NXP Semiconductors, PCA9620H/Q900/1,51 Datasheet - Page 23

• 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
7.4.2.1 Static drive mode
7.4.2 LCD drive mode waveforms
The static LCD drive mode is used when a single backplane is provided in the LCD.
Fig 15. Static drive mode waveforms (line inversion mode)
V
V
V
state1
state2
on(RMS)
(t) = V
(t) = V
All information provided in this document is subject to legal disclaimers.
(t) = V
Sn
(Sn + 1)
(t) − V
LCD
Rev. 1 — 9 December 2010
state 1
state 2
. V
Sn+1
(t) − V
BP0
Sn
BP0
off(RMS)
(t).
BP0
− V
− V
V
V
V
V
V
V
V
V
LCD
LCD
LCD
LCD
LCD
LCD
LCD
0 V
(t) = 0 V.
0 V
(t).
SS
SS
SS
(b) Resultant waveforms
(a) Waveforms at driver.
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
state 1
(on)
LCD segments
013aaa207
state 2
(off)
PCA9620
© NXP B.V. 2010. All rights reserved.
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