CXD2475TQ Sony, CXD2475TQ Datasheet

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CXD2475TQ

Manufacturer Part Number
CXD2475TQ
Description
Reference Voltage and Driver IC for LCD
Manufacturer
Sony
Datasheet
Description
voltage for gamma correction which is necessary for
TFT liquid crystal display. This IC has a built-in 9
channels of rail-to-rail buffer circuit which enables 2-
input switch and a common driver circuit.
Features
• Built-in 9 channels of rail-to-rail buffer circuit
• Built-in common driver circuit
• Current consumption: 3.6mA (typ.)
• Package: 48pin TQFP
Structure
Applications
The CXD2475TQ is suitable IC for applying reference
Bi-CMOS IC
Small liquid crystal monitor
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
Reference Voltage and Driver IC for LCD
– 1 –
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage
• Operating temperature
• Storage temperature
• Allowable power dissipation (Ta
• Reduced ratio (Ta < 25°C)
Operating Conditions
• Supply voltage
1
2
3
4
Applied to Vcc – GND.
Applied to COMVcc – COMGND
Applied to COMVcc – GND
Applied to COMGND – GND
CXD2475TQ
48 pin TQFP (Plastic)
V
V
V
V
Topr
Tstg
Pd
V
V
V
V
CC 1
VG 2
VC 3
VG 4
CC 1
VG 2
VC 3
VG 4
4.5 to 5.0 to 5.5
–55 to +150
–25 to +85
4.0 to V
4.0 to V
GND – 0.2
V
0 to 1.0
CC
1.72
13.8
7.0
7.0
25°C)
+ 0.2
CC
CC
E99617-PS
mW/°C
°C
°C
W
V
V
V
V
V
V
V
V

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CXD2475TQ Summary of contents

Page 1

... Reference Voltage and Driver IC for LCD Description The CXD2475TQ is suitable IC for applying reference voltage for gamma correction which is necessary for TFT liquid crystal display. This IC has a built-in 9 channels of rail-to-rail buffer circuit which enables 2- input switch and a common driver circuit. Features • ...

Page 2

... NC 37 GND Vcc GND – 2 – CXD2475TQ GND Vcc GND 15 COMVcc buff 14 COMOUT ...

Page 3

... GND Vcc 9 10 GND – 3 – CXD2475TQ Description DC input when SW is high. DC input when SW is low. DC input when SW is high. DC input when SW is low. DC input when SW is high. DC input when SW is low. DC input when SW is high. DC input when SW is low. ...

Page 4

... Locate decoupling capacitor connected between power supply and GND as near IC pin as possible. • Design VH and VL input pins not to have capacity. Equivalent circuit COMVcc 11 14 COMOUT 15 COMGND – 4 – CXD2475TQ Description COM output ground. COM output. COM power supply. 5V power supply. 5V power supply. GND. GND. GND. ...

Page 5

... Measurement circuit 1 tpvHL1 tpvLH2 Measurement circuit 2 tpvHL2 tpv1 tpvLH1 – tpvHL1 tpv2 tpvLH2 – tpvHL2 ttcLH Measurement circuit 3 ttcHL tpcLH Measurement circuit 3 tpcHL tpc tpcLH – tpcHL – 5 – CXD2475TQ Min. Typ. Max. Unit — 3.6 6.0 mA –0.1 — 0.1 µA –0.1 — 0.1 µA –0.1 — ...

Page 6

... Measurement Circuits Measurement circuit 1 VH 4.8V 0.2V VL Measurement circuit 2 VH 4.8V 0.2V VL Measurement circuit 3 COMVcc 5.0V 0V COMGND SW/COMSW 50% Output waveform 22 27nF 27nF COMOUT tpLH 90% 50% ttLH – 6 – CXD2475TQ Measurement point Measurement point Measurement point tpHL 50% 10% ttHL ...

Page 7

... Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same – 7 – CXD2475TQ 47 0. LCD To LCD LCD 17 ...

Page 8

... SONY CODE TQFP-48P-L111 EIAJ CODE P-TQFP48-7x7-0.5 JEDEC CODE 48PIN TQFP (PLASTIC 0. b=0.2 ± 0.08 DETAIL B : SOLDER DETAIL A PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT LEAD MATERIAL PACKAGE WEIGHT – 8 – CXD2475TQ 1.1MAX (1. 0.10 EPOXY RESIN SOLDER PLATING 42 ALLOY 0.14g ...

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