Reference Voltage Driver OCT. 2001 Version SPLC2475A Ta

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Reference Voltage Driver OCT. 2001 Version SPLC2475A Ta

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SPLC2475A
Reference Voltage Driver
OCT. 2001 Version
SPLC2475A
Table Contents
PAGE
GENERAL DESCRIPTION. FEATURES. STRUCTURE. APPLICATIONS BLOCK DIAGRAM SIGNAL DESCRIPTIONS ELECTRICAL SPECIFICATIONS 7.1. ABSOLUTE MAXIMUM RATINGS 7.2. OPERATING CONDITIONS 7.3. CHARACTERISTICS (VCC COMVCC 5.0V, COMGND 7.4. MEASUREMENT CIRCUITS APPLICATION CIRCUIT PACKAGE/PAD LOCATIONS 9.1. PACKAGE OUTLINE. DISCLAIMER. REVISION HISTORY
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
REFERENCE VOLTAGE DRIVER
GENERAL DESCRIPTION
SPLC2475A suitable applying reference voltage gamma correction which necessary liquid crystal display. This built-in channels rail-to-rail buffer circuit common driver circuit.
BLOCK DIAGRAM
COMVcc
buff
FEATURES
Built-in channels rail-to-rail buffer circuit Built-in common driver circuit Current consumption: 2.6mA (typ.) Package: 48pin LQFP
COMOUT COMSW COMGND
STRUCTURE
CMOS
APPLICATIONS
Small liquid crystal monitor
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
SIGNAL DESCRIPTIONS
Mnemonic COMSW COMGND COMOUT COMVCC
Notes: GND: Make sure that PINs connected potential, release them. Decoupling capacitor: Locate decoupling capacitor connected between power supply near possible.
Voltage
Equivalent Circuit
Description input when high. input when low. input when high. input when low. input when high. input when low. input when high. input when low.
0.2V 4.8V
Note1
input when high. input when low. input when high. input when low. input when high. input when low. input when high. input when low. input when high. input when low. output. output. output. output.
0.2V 4.8V
Note2
output. output. output. output. output. Input switch. output low; high. COMVCC level output low;
Note3
output switch. output ground.
COMGND level high. 0Vto 1.0V Note4 4.0V 5.0V
output. power supply. 5.0V power supply. connected.
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
Note1: Note2:
Note3: Note4:
COMVcc
COMOUT
COMGND
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
ELECTRICAL SPECIFICATIONS
7.1. Absolute Maximum Ratings
Item Supply voltage Symbol VCC*1 VVG*2 VVC*3 VVG*4 Operating temperature Storage temperature Allowable power dissipation
conditions AC/DC Electrical Characteristics.
Ratings +150 1.25
Unit
normal operational
Topr Tstg
Note: Stresses beyond those given Absolute Maximum Rating table cause operational errors damage device.
7.2. Operating Conditions
Item Supply voltage Symbol VCC*1 VVG*2 VVC*3 VVG*4
Note*1: Applied Note*2: Applied COMVCC COMGND Note*3: Applied COMVCC Note*4: Applied COMGND
Ratings
Unit
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
7.3. Characteristics (VCC COMVCC 5.0V, COMGND
Item Current consumption (VCC COMVCC) input current high input current COMSW input current high COMSW input current VREF voltage gain VREF output voltage high VREF output voltage COMOUT output voltage high COMOUT output voltage VREF_H offset voltage VREF_L offset voltage COMSW input voltage high COMSW input voltage VREF transient time Symbol Limit Min. -0.1 -0.1 -0.1 -0.1 0.985 VCC-0.2 COMVCC-0.1 -5.0 Typ. Max. Unit Condition
IISH IISL VCOH VCOL
Input voltage 2.5V Input voltage 4.8V Input voltage 0.2V Input voltage 5.0V Input voltage Input voltage 0.2V 4.8V ISOURCE 10mA ISINK 10mA ISOURCE 10mA ISINK 10mA Input voltage 4.8V Input voltage 0.2V
COMGND+0.1
VOFF_H VOFF_L
ttvLH1 ttvHL1 ttvLH2 ttvHL2 tpvLH1 tpvHL1 tpvLH2 tpvHL2 tpv1
Measurement circuit
VREF transient time VREF propagation delay time VREF propagation delay time VREF propagation delay time difference VREF propagation delay time difference transient time propagation delay time propagation delay time differnece
Measurement circuit
Measurement circuit
Measurement circuit
±1.6
tpvLH1 tpvHL1 tpvLH2 tpvHL2 Measurement circuit
tpv2 ttcLH ttcHL tpcLH tpcHL
±0.8
Measurement circuit
±1.0
tpcLH tpcHL
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
7.4. Measurement Circuits 7.4.1. Measurement circuit
4.8V Measurement point 0.2V 27nF
7.4.2. Measurement circuit
4.8V Measurement point 0.2V
7.4.3. Measurement circuit
COMVCC 5.0V Measurement point COMGND COMOUT 27nF
SW/COMSW
tpLH
tpHL
Output waveform
ttLH
ttHL
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
APPLICATION CIRCUIT
0.01µ
buff 0.01µ 4.5V
(VCOM)
0.01µ
0.5V
Polarity inverted pulse
Application circuits shown typical examples illustrating operation devices.Sunplus cannot assume responsibility problems arising these circuits infringement third party patent other right same.
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
PACKAGE/PAD LOCATIONS
9.1. Package Outline
48PIN LQFP (PLASTIC) Unit:
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
DISCLAIMER
information appearing this publication believed accurate. Integrated circuits sold Sunplus Technology covered warranty patent indemnification provisions stipulated terms sale only. SUNPLUS makes warranty, express, statutory implied description regarding information this publication FURTHERMORE, SUNPLUS MAKES WARRANTY SUNPLUS reserves right halt production alter specifications regarding freedom described chip(s) from patent infringement. MERCHANTABILITY FITNESS PURPOSE. prices time without notice. publication current before placing orders.
Accordingly, reader cautioned verify that data sheets other information this Products described herein intended normal commercial applications. Please note that application circuits
Applications involving unusual environmental reliability requirements, e.g. military equipment medical life support equipment, specifically recommended without additional processing SUNPLUS such applications. illustrated this document reference purposes only.
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:
SPLC2475A
REVISION HISTORY
Date SEP. 2000 OCT. 2000 OCT. 2001 Revision Original Delete "PRELIMINARY" Renew document format Description Page
Sunplus Technology Co., Ltd. Proprietary Confidential
OCT. 2001 Version:

Reference Voltage Driver OCT. 2001 Version SPLC2475A Ta

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