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PDF S6B0723 Data sheet ( Hoja de datos )
| Número de pieza | S6B0723 | |
| Descripción | 132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD | |
| Fabricantes | Samsung semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de S6B0723 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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S6B0723
132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD
June. 2000.
Ver. 0.9
Prepared by: Kyu-tae, Lim
Contents in this document are subject to change without notice. No part of this document may be reproduced or
transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written
permission of LCD Driver IC Team.
1 page  
132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.9
S6B0723
Built-in Analog Circuit
− On-chip oscillator circuit for display clock (external clock can also be used)
− High performance voltage converter (with booster ratios of x2, x3, x4 and x5, where the step-up reference
voltage can be used externally)
− High accuracy voltage regulator (temperature coefficient: -0.05%/°C or external input)
− Electronic contrast control function (64 steps)
− Vref = 2.1V ± 3% (V0 voltage adjustment voltage)
− High performance voltage follower (V1 to V4 voltage divider resistors and OP-Amp for increasing drive
capacity)
Operating Voltage Range
− Supply voltage (VDD): 2.4 to 3.6V
− LCD driving voltage (VLCD = V0 - VSS): 4.5 to 15.0V
Low Power Consumption
− Operating power: 40µΑ typical (conditions: VDD = 3V, x 4 boosting (VCI = VDD), V0 = 11V, Internal power supply
ON, display OFF and normal mode is selected)
− Standby power: 10 µΑ maximum (during power save[standby] mode)
Operating Temperatures
− Wide range of operating temperatures : -40 to 85°C
CMOS Process
Package Type
− TCP
2
5 Page 
132 SEG / 65 COM DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.9
S6B0723
PIN DESCRIPTION
POWER SUPPLY
Table 3. Power Supply Pins Description
Name
VDD
VSS
V0
V1
V2
V3
V4
I/O Description
Supply Power supply
Supply Ground
LCD driver supply voltages
The voltage determined by LCD pixel is impedance-converted by an operational amplifier
for application.
Voltages should have the following relationship;
V0 ≥ V1 ≥ V2 ≥ V3 ≥ V4 ≥ VSS
When the internal power circuit is active, these voltages are generated as following table
according to the state of LCD bias.
I/O
LCD bias
V1
V2
V3
V4
1/9 bias
(8/9) x V0
(7/9) x V0
(2/9) x V0
(1/9) x V0
1/8 bias
(7/8) x V0
(6/8) x V0
(2/8) x V0
(1/8) x V0
1/7 bias
(6/7) x V0
(5/7) x V0
(2/7) x V0
(1/7) x V0
1/6 bias
(5/6) x V0
(4/6) x V0
(2/6) x V0
(1/6) x V0
1/5 bias
(4/5) x V0
(3/5) x V0
(2/5) x V0
(1/5) x V0
LCD DRIVER SUPPLY
Table 4. LCD Driver Supply Pins Description
Name
C1-
C1+
C2-
C2+
C3+
C4+
VOUT
VR
VCI
VEXT
REF
I/O Description
O Capacitor 1 negative connection pin for voltage converter
O Capacitor 1 positive connection pin for voltage converter
O Capacitor 2 negative connection pin for voltage converter
O Capacitor 2 positive connection pin for voltage converter
O Capacitor 3 positive connection pin for voltage converter
O Capacitor 4 positive connection pin for voltage converter
Voltage converter input/output pin
I/O Connect this pin to VSS through capacitor.
V0 voltage adjustment pin
I It is valid only when internal voltage regulator resistors are not used (INTRS = "L").
This is the reference voltage for the voltage converter circuit for the LCD driving.
I Whether internal voltage converter use or not use, this pin should be fixed.
The voltage should have the following range: 2.4V ≤ VCI ≤ 3.6V
This is the external-input reference voltage (VREF) for the internal voltage regulator.
I It is valid only when external VREF is used (REF = "L").
When using internal VREF, this pin is Open
Select the external VREF voltage via VEXT pin
I − REF = "L": using the external VREF
− REF = "H": using the internal VREF
8
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet S6B0723.PDF ] | |
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