PCF85134HL/1,118 NXP Semiconductors, PCF85134HL/1,118 Datasheet - Page 8

• Manufacturer Part Number: PCF85134HL/1,118
• Description: IC LCD DISPLAY DRVR 60SEG 80LQFP
• Manufacturer: NXP Semiconductors

Specifications of PCF85134HL/1,118

• Package / Case: 80-LQFP
• Display Type: LCD
• Configuration: 60 Segment
• Interface: I²C
• Digits Or Characters: Any Digit Type
• Current - Supply: 8µA
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 30
• Number Of Segments: 240
• Maximum Clock Frequency: 400 KHz
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 50 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-5060-2

NXP Semiconductors
PCF85134_1
Product data sheet
V
D
where the values for n are
The RMS off-state voltage (V
Discrimination is the ratio of V
Using
1
1
The advantage of these LCD drive modes is a reduction of the LCD full scale voltage V
as follows:
These compare with
It should be noted that V
2
2
off RMS
•
•
n = 1 for static drive mode
n = 2 for 1:2 multiplex drive mode
n = 3 for 1:3 multiplex drive mode
n = 4 for 1:4 multiplex drive mode
=
bias is
bias is
1:3 multiplex (
1:4 multiplex (
----------------------- -
V
V
Equation
off RMS
on RMS
=
----------
3
3
21
V
LCD
=
=
=
3, the discrimination for an LCD drive mode of 1:3 multiplex with
1.732
----------------------------- -
n
1.528
1
1
a
2
2
2
------------------------------------------- -
a
a 1
V
–
bias):
bias):
Rev. 01 — 17 December 2009
1
+
2a
–
LCD
and the discrimination for an LCD drive mode of 1:4 multiplex with
+
.
1
LCD
+
a
2
2
V
V
n
=
+
2
+
LCD
is sometimes referred as the LCD operating voltage.
LCD
off(RMS)
on(RMS)
3V
n 1
n 1
–
–
off RMS
=
=
) for the LCD is calculated with
--------------------- -
6 V
to V
4
3
off(RMS)
when
Universal LCD driver for low multiplex rates
off RMS
3
=
1
and is determined from
3
2.309V
bias is used.
=
2.449V
off RMS
off RMS
Equation
PCF85134
© NXP B.V. 2009. All rights reserved.
Equation
2:
3:
8 of 40
LCD
(2)
(3)